Saint Peter Hourly Weather Forecast
Next 12 Hours
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Sunny skies giving way to light rain shower by evening. Extreme heat expected, up to 99°. Breezy wind, shifting from SSE to N at 12.2 mph, as humidity ranges 30% to 89%, and an avg barometric pressure of 30.05 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
8 AM
74°F
72°F
69%
10.1 SSE
30.07
63°F
0.5
5%
9 AM
79°F
78°F
61%
11.9 SSW
30.08
64°F
1.5
3%
10 AM
85°F
87°F
52%
12.5 SSW
30.08
65°F
3.3
2%
11 AM
89°F
92°F
45%
13.2 SSW
30.08
66°F
5.3
1%
12 PM
93°F
92°F
40%
12.8 SSW
30.06
65°F
6.8
1%
1 PM
96°F
94°F
36%
12.5 SW
30.04
65°F
7.4
1%
2 PM
98°F
96°F
33%
11.4 SW
30.03
63°F
6.7
0%
3 PM
99°F
97°F
31%
10.5 SSW
30.01
62°F
5.1
1%
4 PM
99°F
97°F
30%
10.7 SSW
30
62°F
3
4%
5 PM
97°F
95°F
31%
10.1 S
29.99
62°F
1.3
4%
6 PM
84°F
87°F
59%
14.8 NNW
30.04
68°F
0.3
22%
Rain est. 0.01in
Rain est. 0.01in
7 PM
75°F
75°F
89%
15.7 N
30.06
71°F
0
43%
Rain est. 0.01in
Rain est. 0.01in
This hour by hour weather report is valid for ZIP code 62880, accurately covering the area of Saint Peter, IL.
Currently
|
70°F |
30.06 inHg.
Barometer 76%
Humidity SSE 8.3mph 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
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