Saint Peter, IL Weather Forecast | 10 Days
Updated: Tue Sep 15th 2026 7:15 AM CDT
Tue, 9-15
99°F
69°F
69°F
Wed, 9-16
91°F
72°F
72°F
Thu, 9-17
92°F
76°F
76°F
Fri, 9-18
92°F
72°F
72°F
Sat, 9-19
96°F
76°F
76°F
Sun, 9-20
95°F
73°F
73°F
Mon, 9-21
89°F
71°F
71°F
Tue, 9-22
80°F
69°F
69°F
Wed, 9-23
70°F
62°F
62°F
Thu, 9-24
78°F
62°F
62°F
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Test our Weather Chatbot. It provides up to 10 days of forecast information!Sunny
Tue 9-15
Sunny with a high of 99°F and a low of 69°F. Rainfall expected to have a 66% chance with an estimated 0.51in. Wind will be moderate, blowing around 16mph on average and gusts of 28mph at 7 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 98% at 11 PM and 30% being its lowest at 4 PM. Barometric pressure is its highest of 30.19inHg at 9 PM, a lowest point of 29.99inHg at 5 PM with an avg 30.08inHg.
- HI: 99°F
- LO: 69°F
- Rain: 66% | est. 0.51in
- Snow: 0%
- Wind
15.7 mph - Humidity
63% avg. - UV Index
7.4 - Air QualityGood
- Sunrise
06:36 AM - Sunset
07:04 PM - Moonrise
11:43 AM - Moonset
09:17 PM - Moon Phase
Waxing Crescent - Hourly
8 AM 
Sunny74°F 10.1 mph SSE
wind
5%
rain
rain
0%
snow
snow
wind
30.07 inHg
pressure
pressure
9 AM 
Sunny79°F 11.9 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
30.08 inHg
pressure
pressure
10 AM 
Sunny85°F 12.5 mph SSW
wind
2%
rain
rain
0%
snow
snow
wind
30.08 inHg
pressure
pressure
11 AM 
Sunny89°F 13.2 mph SSW
wind
1%
rain
rain
0%
snow
snow
wind
30.08 inHg
pressure
pressure
12 PM 
Sunny93°F 12.8 mph SSW
wind
1%
rain
rain
0%
snow
snow
wind
30.06 inHg
pressure
pressure
1 PM 
Sunny96°F 12.5 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
30.04 inHg
pressure
pressure
2 PM 
Sunny98°F 11.4 mph SW
wind
0%
rain
rain
0%
snow
snow
wind
30.03 inHg
pressure
pressure
3 PM 
Sunny99°F 10.5 mph SSW
wind
1%
rain
rain
0%
snow
snow
wind
30.01 inHg
pressure
pressure
4 PM 
Partly Cloudy99°F 10.7 mph SSW
wind
4%
rain
rain
0%
snow
snow
wind
30 inHg
pressure
pressure
5 PM 
Partly Cloudy97°F 10.1 mph S
wind
4%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
6 PM 
Light Rain Shower84°F 14.8 mph NNW
wind
22%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.04 inHg
pressure
pressure
7 PM 
Light Rain Shower75°F 15.7 mph N
wind
43%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.06 inHg
pressure
pressure
8 PM 
Light Rain Shower73°F 10.7 mph N
wind
82%
Rain est. 0.08in
Rain est. 0.08in
0%
snow
snow
wind
30.15 inHg
pressure
pressure
9 PM 
Light Rain Shower72°F 7.2 mph NNW
wind
84%
Rain est. 0.09in
Rain est. 0.09in
0%
snow
snow
wind
30.19 inHg
pressure
pressure
10 PM 
Light Rain Shower74°F 4.3 mph NNE
wind
83%
Rain est. 0.09in
Rain est. 0.09in
0%
snow
snow
wind
30.18 inHg
pressure
pressure
11 PM 
Moderate Or Heavy Rain Shower74°F 6.3 mph S
wind
92%
Rain est. 0.24in
Rain est. 0.24in
0%
snow
snow
wind
30.19 inHg
pressure
pressure
Sunny
Wed 9-16
Sunny with a high of 91°F and a low of 72°F. Rainfall expected to have a 72% chance with an estimated 0.26in. Wind will be moderate, blowing around 13mph on average and gusts of 20.9mph at 2 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 97% at 6 AM and 47% being its lowest at 5 PM. Barometric pressure is its highest of 30.25inHg at 10 AM, a lowest point of 30.14inHg at 5 PM with an avg 30.18inHg.
- HI: 91°F
- LO: 72°F
- Rain: 72% | est. 0.26in
- Snow: 0%
- Wind
12.3 mph - Humidity
76% avg. - UV Index
7.1 - Air QualityGood
- Sunrise
06:37 AM - Sunset
07:02 PM - Moonrise
12:51 PM - Moonset
09:59 PM - Moon Phase
First Quarter - Hourly
12 AM 
Light Rain Shower75°F 12.3 mph E
wind
83%
Rain est. 0.09in
Rain est. 0.09in
0%
snow
snow
wind
30.14 inHg
pressure
pressure
1 AM 
Light Rain Shower75°F 9.2 mph SSE
wind
81%
Rain est. 0.07in
Rain est. 0.07in
0%
snow
snow
wind
30.14 inHg
pressure
pressure
2 AM 
Overcast73°F 10.5 mph SE
wind
33%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
3 AM 
Partly Cloudy74°F 8.3 mph SE
wind
21%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
4 AM 
Mist73°F 4.7 mph SSE
wind
50%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.15 inHg
pressure
pressure
5 AM 
Mist72°F 5.8 mph NNW
wind
35%
rain
rain
0%
snow
snow
wind
30.19 inHg
pressure
pressure
6 AM 
Light Rain Shower72°F 5.4 mph NNE
wind
45%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.19 inHg
pressure
pressure
7 AM 
Mist72°F 5.6 mph NE
wind
38%
rain
rain
0%
snow
snow
wind
30.21 inHg
pressure
pressure
8 AM 
Light Rain Shower72°F 4.3 mph NE
wind
59%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
30.23 inHg
pressure
pressure
9 AM 
Light Rain Shower74°F 4.9 mph ENE
wind
65%
Rain est. 0.03in
Rain est. 0.03in
0%
snow
snow
wind
30.24 inHg
pressure
pressure
10 AM 
Overcast77°F 5.4 mph ENE
wind
22%
rain
rain
0%
snow
snow
wind
30.25 inHg
pressure
pressure
11 AM 
Patchy Rain Nearby81°F 4.5 mph NE
wind
36%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.25 inHg
pressure
pressure
12 PM 
Sunny85°F 2.5 mph ENE
wind
4%
rain
rain
0%
snow
snow
wind
30.24 inHg
pressure
pressure
1 PM 
Sunny88°F 1.6 mph ESE
wind
3%
rain
rain
0%
snow
snow
wind
30.22 inHg
pressure
pressure
2 PM 
Sunny90°F 1.3 mph SSE
wind
2%
rain
rain
0%
snow
snow
wind
30.2 inHg
pressure
pressure
3 PM 
Sunny91°F 2.2 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
30.17 inHg
pressure
pressure
4 PM 
Sunny91°F 2.7 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
30.15 inHg
pressure
pressure
5 PM 
Sunny91°F 2.5 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
6 PM 
Sunny90°F 0.4 mph NE
wind
3%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
7 PM 
Sunny87°F 3.1 mph NE
wind
4%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
8 PM 
Clear84°F 5.1 mph ENE
wind
4%
rain
rain
0%
snow
snow
wind
30.15 inHg
pressure
pressure
9 PM 
Overcast83°F 3.4 mph ESE
wind
15%
rain
rain
0%
snow
snow
wind
30.18 inHg
pressure
pressure
10 PM 
Patchy Rain Nearby82°F 4.5 mph SSE
wind
21%
rain
rain
0%
snow
snow
wind
30.18 inHg
pressure
pressure
11 PM 
Light Rain Shower78°F 6.3 mph SW
wind
48%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
30.19 inHg
pressure
pressure
Overcast
Thu 9-17
Overcast with a high of 92°F and a low of 76°F. There might be light rainfall having a 11% chance. Winds will be light at 9mph and gusts of 12.5mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 86% at 6 AM and 43% being its lowest at 3 PM. Barometric pressure is its highest of 30.21inHg at 11 AM, a lowest point of 30.1inHg at 6 PM with an avg 30.15inHg.
- HI: 92°F
- LO: 76°F
- Rain: 11%
- Snow: 0%
- Wind
8.7 mph - Humidity
66% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:38 AM - Sunset
07:01 PM - Moonrise
01:52 PM - Moonset
10:48 PM - Moon Phase
First Quarter - Hourly
12 AM 
Overcast79°F 4.3 mph SE
wind
23%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
1 AM 
Cloudy79°F 4.7 mph SE
wind
18%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
2 AM 
Overcast78°F 3.6 mph SSW
wind
25%
rain
rain
0%
snow
snow
wind
30.17 inHg
pressure
pressure
3 AM 
Partly Cloudy78°F 4 mph W
wind
13%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
4 AM 
Partly Cloudy77°F 3.1 mph WSW
wind
18%
rain
rain
0%
snow
snow
wind
30.15 inHg
pressure
pressure
5 AM 
Clear76°F 3.8 mph W
wind
13%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
6 AM 
Clear76°F 2.9 mph WNW
wind
12%
rain
rain
0%
snow
snow
wind
30.16 inHg
pressure
pressure
7 AM 
Sunny76°F 2 mph NW
wind
11%
rain
rain
0%
snow
snow
wind
30.17 inHg
pressure
pressure
8 AM 
Sunny78°F 1.8 mph WNW
wind
10%
rain
rain
0%
snow
snow
wind
30.18 inHg
pressure
pressure
9 AM 
Cloudy80°F 3.8 mph WNW
wind
15%
rain
rain
0%
snow
snow
wind
30.19 inHg
pressure
pressure
10 AM 
Overcast83°F 6.5 mph NNW
wind
14%
rain
rain
0%
snow
snow
wind
30.2 inHg
pressure
pressure
11 AM 
Partly Cloudy87°F 7.8 mph NNW
wind
6%
rain
rain
0%
snow
snow
wind
30.21 inHg
pressure
pressure
12 PM 
Overcast89°F 8.7 mph NNW
wind
10%
rain
rain
0%
snow
snow
wind
30.19 inHg
pressure
pressure
1 PM 
Cloudy90°F 8.1 mph NNW
wind
8%
rain
rain
0%
snow
snow
wind
30.17 inHg
pressure
pressure
2 PM 
Overcast91°F 6 mph NNW
wind
10%
rain
rain
0%
snow
snow
wind
30.15 inHg
pressure
pressure
3 PM 
Overcast92°F 5.8 mph NNW
wind
10%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
4 PM 
Overcast91°F 4.9 mph NNW
wind
10%
rain
rain
0%
snow
snow
wind
30.11 inHg
pressure
pressure
5 PM 
Overcast90°F 4 mph NW
wind
11%
rain
rain
0%
snow
snow
wind
30.11 inHg
pressure
pressure
6 PM 
Overcast89°F 3.1 mph WNW
wind
12%
rain
rain
0%
snow
snow
wind
30.1 inHg
pressure
pressure
7 PM 
Overcast86°F 4.3 mph WNW
wind
13%
rain
rain
0%
snow
snow
wind
30.11 inHg
pressure
pressure
8 PM 
Overcast84°F 4.5 mph WNW
wind
14%
rain
rain
0%
snow
snow
wind
30.11 inHg
pressure
pressure
9 PM 
Overcast83°F 4.7 mph NW
wind
15%
rain
rain
0%
snow
snow
wind
30.12 inHg
pressure
pressure
10 PM 
Overcast82°F 5.8 mph N
wind
16%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
11 PM 
Overcast80°F 7.6 mph NE
wind
20%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
Sunny
Fri 9-18
Sunny with a high of 92°F and a low of 72°F. Rainfall expected to have a 57% chance with an estimated 0.04in. Wind will be moderate, blowing around 14mph on average and gusts of 27.2mph at 8 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 98% at 3 AM and 43% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.99inHg at 6 PM with an avg 30.08inHg.
- HI: 92°F
- LO: 72°F
- Rain: 57% | est. 0.04in
- Snow: 0%
- Wind
13.6 mph - Humidity
75% avg. - UV Index
8 - Air QualityGood
- Sunrise
06:39 AM - Sunset
06:59 PM - Moonrise
02:46 PM - Moonset
11:42 PM - Moon Phase
First Quarter - Hourly
12 AM 
Overcast78°F 8.3 mph ENE
wind
24%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
1 AM 
Partly Cloudy75°F 8.3 mph NE
wind
20%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
2 AM 
Fog74°F 6.9 mph ENE
wind
46%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
3 AM 
Light Rain Shower73°F 6.9 mph NE
wind
77%
Rain est. 0.04in
Rain est. 0.04in
0%
snow
snow
wind
30.14 inHg
pressure
pressure
4 AM 
Mist72°F 7.6 mph ENE
wind
44%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
5 AM 
Mist73°F 4.9 mph ENE
wind
38%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
6 AM 
Mist73°F 5.4 mph ENE
wind
38%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
7 AM 
Mist73°F 5.8 mph ENE
wind
36%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
8 AM 
Mist73°F 6 mph E
wind
37%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
9 AM 
Overcast74°F 5.8 mph E
wind
29%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
10 AM 
Cloudy76°F 6 mph ESE
wind
18%
rain
rain
0%
snow
snow
wind
30.14 inHg
pressure
pressure
11 AM 
Overcast80°F 6 mph ESE
wind
18%
rain
rain
0%
snow
snow
wind
30.13 inHg
pressure
pressure
12 PM 
Partly Cloudy85°F 5.6 mph ESE
wind
7%
rain
rain
0%
snow
snow
wind
30.11 inHg
pressure
pressure
1 PM 
Cloudy89°F 4.3 mph SE
wind
8%
rain
rain
0%
snow
snow
wind
30.08 inHg
pressure
pressure
2 PM 
Cloudy91°F 4.3 mph SE
wind
8%
rain
rain
0%
snow
snow
wind
30.05 inHg
pressure
pressure
3 PM 
Sunny92°F 3.4 mph SE
wind
1%
rain
rain
0%
snow
snow
wind
30.02 inHg
pressure
pressure
4 PM 
Sunny92°F 3.4 mph ESE
wind
1%
rain
rain
0%
snow
snow
wind
30.01 inHg
pressure
pressure
5 PM 
Sunny92°F 3.8 mph E
wind
1%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
6 PM 
Sunny90°F 6.3 mph ENE
wind
2%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
7 PM 
Clear87°F 7.4 mph ENE
wind
3%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
8 PM 
Patchy Rain Nearby76°F 13.6 mph S
wind
23%
rain
rain
0%
snow
snow
wind
30.02 inHg
pressure
pressure
9 PM 
Cloudy76°F 8.9 mph SE
wind
22%
rain
rain
0%
snow
snow
wind
30 inHg
pressure
pressure
10 PM 
Clear82°F 6.9 mph ESE
wind
4%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
11 PM 
Cloudy79°F 7.6 mph SE
wind
15%
rain
rain
0%
snow
snow
wind
29.99 inHg
pressure
pressure
Sunny
Sat 9-19
Sunny with a high of 96°F and a low of 76°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 14mph on average and gusts of 29.1mph at 7 AM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 80% at 5 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 12 AM, a lowest point of 29.84inHg at 6 PM with an avg 29.91inHg.
- HI: 96°F
- LO: 76°F
- Rain: 36% | est. 0.02in
- Snow: 0%
- Wind
13.4 mph - Humidity
55% avg. - UV Index
9 - Air QualityGood
- Sunrise
06:40 AM - Sunset
06:57 PM - Moonrise
03:32 PM - Moonset
Does not set today - Moon Phase
First Quarter - Hourly
12 AM 
Overcast77°F 6.3 mph SE
wind
19%
rain
rain
0%
snow
snow
wind
29.98 inHg
pressure
pressure
1 AM 
Clear79°F 6.9 mph SE
wind
6%
rain
rain
0%
snow
snow
wind
29.97 inHg
pressure
pressure
2 AM 
Partly Cloudy78°F 7.2 mph S
wind
11%
rain
rain
0%
snow
snow
wind
29.96 inHg
pressure
pressure
3 AM 
Clear78°F 7.4 mph S
wind
8%
rain
rain
0%
snow
snow
wind
29.96 inHg
pressure
pressure
4 AM 
Clear78°F 7.2 mph S
wind
6%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
5 AM 
Clear76°F 7.4 mph SSE
wind
9%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
6 AM 
Clear76°F 7.4 mph S
wind
9%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
7 AM 
Sunny77°F 10.3 mph SSW
wind
5%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
8 AM 
Sunny79°F 8.3 mph S
wind
5%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
9 AM 
Sunny82°F 10.5 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
10 AM 
Sunny86°F 13.4 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
11 AM 
Sunny91°F 10.5 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.92 inHg
pressure
pressure
12 PM 
Partly Cloudy95°F 10.1 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
1 PM 
Sunny95°F 11.6 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
2 PM 
Sunny95°F 11.2 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
3 PM 
Sunny96°F 10.5 mph SSW
wind
1%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
4 PM 
Sunny96°F 10.1 mph SSW
wind
1%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
5 PM 
Patchy Rain Nearby93°F 8.3 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
6 PM 
Sunny89°F 6.5 mph WSW
wind
4%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
7 PM 
Patchy Rain Nearby86°F 4.7 mph W
wind
17%
rain
rain
0%
snow
snow
wind
29.85 inHg
pressure
pressure
8 PM 
Patchy Rain Nearby84°F 4.9 mph WSW
wind
17%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
9 PM 
Patchy Rain Nearby82°F 5.4 mph SW
wind
17%
rain
rain
0%
snow
snow
wind
29.87 inHg
pressure
pressure
10 PM 
Patchy Rain Nearby80°F 5.6 mph S
wind
18%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
11 PM 
Overcast78°F 5.4 mph S
wind
20%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
Sunny
Sun 9-20
Sunny with a high of 95°F and a low of 73°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 13mph on average and gusts of 28mph at 10 PM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 64% at 1 AM and 27% being its lowest at 3 PM. Barometric pressure is its highest of 29.91inHg at 10 AM, a lowest point of 29.79inHg at 4 PM with an avg 29.86inHg.
- HI: 95°F
- LO: 73°F
- Rain: 3%
- Snow: 0%
- Wind
12.3 mph - Humidity
44% avg. - UV Index
8 - Air QualityTBA
- Sunrise
06:41 AM - Sunset
06:56 PM - Moonrise
04:10 PM - Moonset
12:41 AM - Moon Phase
Waxing Gibbous - Hourly
12 AM 
Patchy Rain Nearby77°F 5.1 mph S
wind
14%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
1 AM 
Overcast76°F 4.9 mph S
wind
15%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
2 AM 
Clear76°F 6 mph S
wind
9%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
3 AM 
Overcast75°F 6.9 mph SSW
wind
5%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
4 AM 
Clear75°F 8.1 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
5 AM 
Clear74°F 8.1 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
6 AM 
Clear73°F 8.3 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
7 AM 
Sunny73°F 8.3 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
8 AM 
Sunny77°F 8.9 mph SW
wind
2%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
9 AM 
Sunny80°F 9.4 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
10 AM 
Sunny84°F 10.1 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
11 AM 
Sunny87°F 9.8 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
12 PM 
Sunny90°F 9.8 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
1 PM 
Sunny93°F 9.6 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
2 PM 
Partly Cloudy94°F 10.3 mph SW
wind
1%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
3 PM 
Sunny94°F 10.7 mph SSW
wind
2%
rain
rain
0%
snow
snow
wind
29.82 inHg
pressure
pressure
4 PM 
Partly Cloudy95°F 11.4 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.79 inHg
pressure
pressure
5 PM 
Overcast93°F 9.8 mph SSW
wind
4%
rain
rain
0%
snow
snow
wind
29.8 inHg
pressure
pressure
6 PM 
Partly Cloudy91°F 8.1 mph SSW
wind
7%
rain
rain
0%
snow
snow
wind
29.8 inHg
pressure
pressure
7 PM 
Overcast89°F 6.5 mph SSW
wind
10%
rain
rain
0%
snow
snow
wind
29.8 inHg
pressure
pressure
8 PM 
Clear87°F 8.5 mph SSW
wind
6%
rain
rain
0%
snow
snow
wind
29.82 inHg
pressure
pressure
9 PM 
Overcast86°F 10.3 mph SSW
wind
4%
rain
rain
0%
snow
snow
wind
29.83 inHg
pressure
pressure
10 PM 
Clear84°F 12.3 mph S
wind
2%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
11 PM 
Clear83°F 11.9 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.85 inHg
pressure
pressure
Patchy Rain Nearby
Mon 9-21
Scattered Showers with a high of 89°F and a low of 71°F. It will likey rain in the surrounding area, having a 77% chance of a downpour with an estimated 1.62in. Wind will be moderate, blowing around 12mph on average and gusts of 27.7mph at 12 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 97% at 7 PM and 43% being its lowest at 1 PM. Barometric pressure is its highest of 29.92inHg at 10 AM, a lowest point of 29.83inHg at 4 PM with an avg 29.87inHg.
- HI: 89°F
- LO: 71°F
- Rain: 77% | est. 1.62in
- Snow: 0%
- Wind
11.6 mph - Humidity
69% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:42 AM - Sunset
06:54 PM - Moonrise
04:42 PM - Moonset
01:43 AM - Moon Phase
Waxing Gibbous - Hourly
12 AM 
Clear81°F 11.6 mph SSW
wind
3%
rain
rain
0%
snow
snow
wind
29.85 inHg
pressure
pressure
1 AM 
Clear80°F 11.2 mph SW
wind
3%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
2 AM 
Light Rain Shower79°F 9.4 mph SW
wind
17%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.86 inHg
pressure
pressure
3 AM 
Clear78°F 7.6 mph SW
wind
36%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.86 inHg
pressure
pressure
4 AM 
Light Rain Shower77°F 5.8 mph SW
wind
39%
Rain est. 0.03in
Rain est. 0.03in
0%
snow
snow
wind
29.86 inHg
pressure
pressure
5 AM 
Patchy Rain Nearby75°F 5.4 mph SW
wind
41%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.87 inHg
pressure
pressure
6 AM 
Light Rain Shower73°F 4.9 mph SW
wind
37%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.88 inHg
pressure
pressure
7 AM 
Patchy Rain Nearby72°F 4.5 mph SW
wind
29%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
8 AM 
Patchy Rain Nearby74°F 4.9 mph SW
wind
19%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
9 AM 
Patchy Rain Nearby77°F 5.1 mph SW
wind
14%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
10 AM 
Patchy Rain Nearby80°F 5.6 mph WSW
wind
12%
rain
rain
0%
snow
snow
wind
29.92 inHg
pressure
pressure
11 AM 
Overcast83°F 6.3 mph SW
wind
11%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
12 PM 
Patchy Rain Nearby86°F 7.2 mph SW
wind
10%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
1 PM 
Overcast89°F 7.8 mph SW
wind
10%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
2 PM 
Cloudy88°F 6 mph SW
wind
9%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
3 PM 
Overcast87°F 4.5 mph WSW
wind
9%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
4 PM 
Cloudy86°F 2.7 mph W
wind
9%
rain
rain
0%
snow
snow
wind
29.83 inHg
pressure
pressure
5 PM 
Torrential Rain Shower81°F 4.5 mph W
wind
68%
Rain est. 0.13in
Rain est. 0.13in
0%
snow
snow
wind
29.83 inHg
pressure
pressure
6 PM 
Cloudy76°F 6.3 mph WSW
wind
84%
Rain est. 0.27in
Rain est. 0.27in
0%
snow
snow
wind
29.84 inHg
pressure
pressure
7 PM 
Torrential Rain Shower71°F 8.1 mph SW
wind
96%
Rain est. 0.4in
Rain est. 0.4in
0%
snow
snow
wind
29.85 inHg
pressure
pressure
8 PM 
Moderate Or Heavy Rain Shower71°F 6.7 mph WSW
wind
93%
Rain est. 0.31in
Rain est. 0.31in
0%
snow
snow
wind
29.86 inHg
pressure
pressure
9 PM 
Torrential Rain Shower71°F 5.6 mph WNW
wind
91%
Rain est. 0.22in
Rain est. 0.22in
0%
snow
snow
wind
29.88 inHg
pressure
pressure
10 PM 
Moderate Or Heavy Rain Shower71°F 4.3 mph NW
wind
86%
Rain est. 0.12in
Rain est. 0.12in
0%
snow
snow
wind
29.88 inHg
pressure
pressure
11 PM 
Mist71°F 4 mph NW
wind
84%
Rain est. 0.08in
Rain est. 0.08in
0%
snow
snow
wind
29.89 inHg
pressure
pressure
Overcast
Tue 9-22
Overcast with a high of 80°F and a low of 69°F. Rainfall expected to have a 67% chance with an estimated 0.05in. Winds will be light at 7mph and gusts of 13.4mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 96% at 7 AM and 61% being its lowest at 10 PM. Barometric pressure is its highest of 29.95inHg at 10 AM, a lowest point of 29.88inHg at 4 PM with an avg 29.91inHg.
- HI: 80°F
- LO: 69°F
- Rain: 67% | est. 0.05in
- Snow: 0%
- Wind
6.9 mph - Humidity
78% avg. - UV Index
6 - Air QualityTBA
- Sunrise
06:43 AM - Sunset
06:53 PM - Moonrise
05:09 PM - Moonset
02:44 AM - Moon Phase
Waxing Gibbous - Hourly
12 AM 
Moderate Or Heavy Rain Shower71°F 3.6 mph NW
wind
79%
Rain est. 0.04in
Rain est. 0.04in
0%
snow
snow
wind
29.89 inHg
pressure
pressure
1 AM 
Mist70°F 3.4 mph NW
wind
49%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
2 AM 
Mist70°F 3.1 mph WNW
wind
49%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
3 AM 
Mist70°F 3.1 mph W
wind
38%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
4 AM 
Mist70°F 2.9 mph W
wind
38%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
5 AM 
Mist70°F 3.4 mph W
wind
37%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
6 AM 
Mist70°F 3.8 mph WNW
wind
36%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
7 AM 
Mist69°F 4.3 mph WNW
wind
38%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
8 AM 
Overcast71°F 4.5 mph WNW
wind
29%
rain
rain
0%
snow
snow
wind
29.92 inHg
pressure
pressure
9 AM 
Mist72°F 4.7 mph NW
wind
26%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
10 AM 
Overcast73°F 4.9 mph NW
wind
23%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
11 AM 
Overcast75°F 5.1 mph NW
wind
19%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
12 PM 
Overcast78°F 5.4 mph WNW
wind
17%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
1 PM 
Overcast80°F 5.6 mph WNW
wind
15%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
2 PM 
Overcast79°F 5.6 mph WNW
wind
15%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
3 PM 
Overcast79°F 5.8 mph WNW
wind
15%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
4 PM 
Overcast78°F 5.8 mph WNW
wind
16%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
5 PM 
Patchy Rain Nearby78°F 6 mph NW
wind
15%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
6 PM 
Overcast78°F 6.3 mph NW
wind
15%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
7 PM 
Patchy Rain Nearby78°F 6.5 mph NW
wind
15%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
8 PM 
Overcast76°F 6.5 mph NW
wind
14%
rain
rain
0%
snow
snow
wind
29.9 inHg
pressure
pressure
9 PM 
Patchy Rain Nearby75°F 6.7 mph NNW
wind
14%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
10 PM 
Overcast73°F 6.7 mph NNW
wind
15%
rain
rain
0%
snow
snow
wind
29.92 inHg
pressure
pressure
11 PM 
Overcast71°F 6.9 mph SW
wind
16%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
Light Rain Shower
Wed 9-23
Light Rain Shower with a high of 70°F and a low of 62°F. It will likey rain, having a 90% chance of a downpour with an estimated 0.34in. Winds will be light at 8mph and gusts of 15.9mph at 1 AM. High humidity with average of 90% is anticipated, the maximum being 96% at 7 PM and 67% being its lowest at 12 AM. Barometric pressure is its highest of 30inHg at 10 AM, a lowest point of 29.93inHg at 12 AM with an avg 29.96inHg.
- HI: 70°F
- LO: 62°F
- Rain: 90% | est. 0.34in
- Snow: 0%
- Wind
7.4 mph - Humidity
90% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:44 AM - Sunset
06:51 PM - Moonrise
05:32 PM - Moonset
03:45 AM - Moon Phase
Waxing Gibbous - Hourly
12 AM 
Overcast70°F 7.2 mph ESE
wind
17%
rain
rain
0%
snow
snow
wind
29.93 inHg
pressure
pressure
1 AM 
Overcast68°F 7.4 mph N
wind
18%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
2 AM 
Patchy Rain Nearby68°F 6.9 mph SE
wind
20%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
3 AM 
Overcast67°F 6.3 mph WSW
wind
22%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
4 AM 
Patchy Rain Nearby66°F 5.8 mph N
wind
25%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
5 AM 
Light Rain Shower65°F 6 mph WSW
wind
42%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.94 inHg
pressure
pressure
6 AM 
Patchy Rain Nearby64°F 6 mph ESE
wind
51%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.95 inHg
pressure
pressure
7 AM 
Light Rain Shower63°F 6.3 mph N
wind
63%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.95 inHg
pressure
pressure
8 AM 
Light Rain Shower63°F 6.3 mph N
wind
65%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.97 inHg
pressure
pressure
9 AM 
Light Rain Shower63°F 6.3 mph N
wind
65%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.98 inHg
pressure
pressure
10 AM 
Light Rain Shower63°F 6.3 mph N
wind
63%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
30 inHg
pressure
pressure
11 AM 
Light Rain Shower63°F 6 mph N
wind
72%
Rain est. 0.03in
Rain est. 0.03in
0%
snow
snow
wind
29.99 inHg
pressure
pressure
12 PM 
Light Rain Shower62°F 5.8 mph N
wind
77%
Rain est. 0.04in
Rain est. 0.04in
0%
snow
snow
wind
29.99 inHg
pressure
pressure
1 PM 
Light Rain Shower62°F 5.6 mph NNE
wind
79%
Rain est. 0.06in
Rain est. 0.06in
0%
snow
snow
wind
29.99 inHg
pressure
pressure
2 PM 
Light Rain Shower62°F 5.8 mph NNE
wind
76%
Rain est. 0.04in
Rain est. 0.04in
0%
snow
snow
wind
29.98 inHg
pressure
pressure
3 PM 
Light Rain Shower62°F 5.8 mph NNE
wind
69%
Rain est. 0.03in
Rain est. 0.03in
0%
snow
snow
wind
29.96 inHg
pressure
pressure
4 PM 
Light Rain Shower62°F 6 mph NE
wind
58%
Rain est. 0.02in
Rain est. 0.02in
0%
snow
snow
wind
29.95 inHg
pressure
pressure
5 PM 
Mist62°F 5.4 mph NE
wind
55%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.96 inHg
pressure
pressure
6 PM 
Light Rain Shower62°F 4.7 mph NE
wind
51%
Rain est. 0.01in
Rain est. 0.01in
0%
snow
snow
wind
29.96 inHg
pressure
pressure
7 PM 
Mist62°F 4 mph NE
wind
51%
rain
rain
0%
snow
snow
wind
29.96 inHg
pressure
pressure
8 PM 
Mist62°F 5.1 mph NE
wind
50%
rain
rain
0%
snow
snow
wind
29.96 inHg
pressure
pressure
9 PM 
Mist62°F 6.3 mph NE
wind
38%
rain
rain
0%
snow
snow
wind
29.96 inHg
pressure
pressure
10 PM 
Mist62°F 7.4 mph ENE
wind
39%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
11 PM 
Mist62°F 6.7 mph ENE
wind
38%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
Overcast
Thu 9-24
Overcast with a high of 78°F and a low of 62°F. There might be light rainfall having a 19% chance. Winds will be light at 8mph and gusts of 14.6mph at 7 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 98% at 7 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 29.95inHg at 12 AM, a lowest point of 29.83inHg at 4 PM with an avg 29.9inHg.
- HI: 78°F
- LO: 62°F
- Rain: 19%
- Snow: 0%
- Wind
7.8 mph - Humidity
74% avg. - UV Index
6 - Air QualityTBA
- Sunrise
06:45 AM - Sunset
06:49 PM - Moonrise
05:54 PM - Moonset
04:45 AM - Moon Phase
Full Moon - Hourly
12 AM 
Mist62°F 6.3 mph NE
wind
38%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
1 AM 
Mist63°F 5.6 mph NE
wind
40%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
2 AM 
Mist62°F 5.8 mph NE
wind
39%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
3 AM 
Mist62°F 6.3 mph NNE
wind
39%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
4 AM 
Mist62°F 6.5 mph NNE
wind
39%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
5 AM 
Fog62°F 6.3 mph NE
wind
40%
rain
rain
0%
snow
snow
wind
29.95 inHg
pressure
pressure
6 AM 
Mist62°F 5.8 mph NE
wind
42%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
7 AM 
Fog62°F 5.6 mph ENE
wind
42%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
8 AM 
Overcast64°F 6.3 mph ENE
wind
35%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
9 AM 
Fog66°F 6.9 mph NE
wind
29%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
10 AM 
Overcast67°F 7.6 mph NE
wind
24%
rain
rain
0%
snow
snow
wind
29.94 inHg
pressure
pressure
11 AM 
Overcast70°F 7.2 mph NE
wind
19%
rain
rain
0%
snow
snow
wind
29.92 inHg
pressure
pressure
12 PM 
Overcast73°F 6.5 mph NE
wind
15%
rain
rain
0%
snow
snow
wind
29.91 inHg
pressure
pressure
1 PM 
Overcast75°F 6 mph NNE
wind
13%
rain
rain
0%
snow
snow
wind
29.89 inHg
pressure
pressure
2 PM 
Overcast76°F 5.6 mph SE
wind
12%
rain
rain
0%
snow
snow
wind
29.87 inHg
pressure
pressure
3 PM 
Overcast77°F 5.4 mph WSW
wind
11%
rain
rain
0%
snow
snow
wind
29.85 inHg
pressure
pressure
4 PM 
Overcast78°F 4.9 mph NNW
wind
11%
rain
rain
0%
snow
snow
wind
29.83 inHg
pressure
pressure
5 PM 
Overcast76°F 5.8 mph NNW
wind
12%
rain
rain
0%
snow
snow
wind
29.83 inHg
pressure
pressure
6 PM 
Overcast74°F 6.7 mph NW
wind
13%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
7 PM 
Overcast72°F 7.6 mph NW
wind
15%
rain
rain
0%
snow
snow
wind
29.84 inHg
pressure
pressure
8 PM 
Clear71°F 6.7 mph NW
wind
9%
rain
rain
0%
snow
snow
wind
29.85 inHg
pressure
pressure
9 PM 
Overcast70°F 6 mph NW
wind
5%
rain
rain
0%
snow
snow
wind
29.86 inHg
pressure
pressure
10 PM 
Clear69°F 5.1 mph NW
wind
3%
rain
rain
0%
snow
snow
wind
29.87 inHg
pressure
pressure
11 PM 
Clear68°F 7.8 mph SW
wind
4%
rain
rain
0%
snow
snow
wind
29.88 inHg
pressure
pressure
This 10-Day weather forecast is valid for ZIP code 62880, accurately covering the area of Saint Peter, IL.
Currently
| 70°F |
30.06 inHg.
Barometer 76%
Humidity SSE 13.3 mph Wind |
|
| Partly Cloudy | ||
National Outlook
Rain and Storms in the West, Heat Persists in the South - 09-14 to 09-16
Mon Sep 14th 2026, 5:26am PDT
Read
Changing Weather Patterns Bring Rain and Storms: 09-16 to 09-20
Extended Forecast
Mon Sep 14th 2026, 5:30am PDT
Read
Mon Sep 14th 2026, 5:30am PDT

