Walnut Hill, IL Hourly Weather Forecast
Next 48 Hours
Fri, Sep 4th 2026
Sunny skies giving way to Overcast conditions by evening. Extreme heat expected, up to 101°. Breezy wind, shifting from S to S at 7.2 mph, while humidity ranges from 26% to 71%, and an avg barometric pressure of 29.92 inHg.
| Fri, Sep 4th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
1 AM Clear UV: 0 |
81°F Feels 84°F |
66% | 8.5 S | 29.92 | 68.7°F | 4% |
2 AM ClearUV: 0 |
81°F Feels 84°F |
67% | 7.6 S | 29.93 | 68.6°F | 5% |
3 AM ClearUV: 0 |
80°F Feels 83°F |
69% | 7.2 S | 29.93 | 68.8°F | 5% |
4 AM ClearUV: 0 |
80°F Feels 82°F |
71% | 7.2 S | 29.94 | 69.1°F | 6% |
5 AM Cloudy UV: 0 |
80°F Feels 83°F |
67% | 6.7 SSW | 29.93 | 68.1°F | 10% |
6 AM Overcast UV: 0 |
80°F Feels 83°F |
66% | 6 SSW | 29.93 | 68.3°F | 15% |
7 AM Cloudy UV: 0 |
82°F Feels 85°F |
62% | 5.1 SW | 29.95 | 67.8°F | 11% |
8 AM Sunny UV: 0.6 |
83°F Feels 86°F |
60% | 5.8 SW | 29.97 | 67.7°F | 3% |
9 AM SunnyUV: 1.9 |
88°F Feels 90°F |
49% | 6.9 WSW | 29.97 | 66.1°F | 2% |
10 AM SunnyUV: 3.9 |
92°F Feels 95°F |
41% | 7.2 W | 29.98 | 64.9°F | 1% |
11 AM SunnyUV: 6.1 |
96°F Feels 96°F |
35% | 7.4 W | 29.98 | 63.8°F | 1% |
12 PM SunnyUV: 7.8 |
97°F Feels 98°F |
33% | 6.7 W | 29.97 | 63.2°F | 0% |
1 PM SunnyUV: 8.3 |
99°F Feels 100°F |
30% | 6.7 WSW | 29.94 | 62.8°F | 0% |
2 PM SunnyUV: 7.5 |
101°F Feels 100°F |
29% | 7.8 SW | 29.92 | 62.1°F | 1% |
3 PM Partly Cloudy UV: 5.8 |
101°F Feels 100°F |
28% | 8.7 SW | 29.89 | 61.4°F | 2% |
4 PM SunnyUV: 3.5 |
101°F Feels 100°F |
26% | 7.8 SW | 29.87 | 59.8°F | 1% |
5 PM CloudyUV: 1.7 |
100°F Feels 99°F |
26% | 7.2 SW | 29.86 | 59.2°F | 7% |
6 PM Overcast UV: 0.5 |
96°F Feels 95°F |
32% | 10.1 SW | 29.87 | 61.8°F | 8% |
7 PM OvercastUV: 0 |
95°F Feels 95°F |
35% | 7.8 SSW | 29.87 | 62.9°F | 9% |
8 PM OvercastUV: 0 |
93°F Feels 93°F |
36% | 7.4 S | 29.86 | 62.4°F | 8% |
9 PM OvercastUV: 0 |
92°F Feels 92°F |
38% | 6.5 SSE | 29.88 | 62.6°F | 9% |
10 PM OvercastUV: 0 |
90°F Feels 92°F |
42% | 6.9 SE | 29.89 | 64.1°F | 10% |
11 PM CloudyUV: 0 |
89°F Feels 92°F |
45% | 7.4 S | 29.9 | 65.4°F | 8% |
Sat, Sep 5th 2026
Starting off Sunny skies, turning Clear conditions later in the day. Extreme heat expected, up to 102°. Breezy wind, shifting from S to N at 7.5 mph, while humidity ranges from 25% to 65%, and an avg barometric pressure of 29.88 inHg.
| Sat, Sep 5th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM CloudyUV: 0 |
89°F Feels 92°F |
47% | 9.6 S | 29.91 | 66.2°F | 6% |
1 AM Partly Cloudy UV: 0 |
87°F Feels 90°F |
51% | 8.7 SSW | 29.91 | 66.8°F | 6% |
2 AM ClearUV: 0 |
85°F Feels 88°F |
55% | 8.7 SSW | 29.91 | 67.3°F | 3% |
3 AM ClearUV: 0 |
83°F Feels 86°F |
59% | 8.3 SSW | 29.9 | 67.3°F | 4% |
4 AM ClearUV: 0 |
82°F Feels 85°F |
60% | 7.4 SSW | 29.9 | 67.2°F | 4% |
5 AM ClearUV: 0 |
82°F Feels 84°F |
61% | 7.2 SSW | 29.9 | 67.2°F | 4% |
6 AM ClearUV: 0 |
81°F Feels 83°F |
64% | 7.4 SSW | 29.89 | 67.1°F | 4% |
7 AM SunnyUV: 0 |
80°F Feels 82°F |
65% | 7.2 WSW | 29.91 | 67.2°F | 5% |
8 AM SunnyUV: 0.6 |
82°F Feels 85°F |
58% | 6.9 SW | 29.91 | 66.3°F | 3% |
9 AM SunnyUV: 1.8 |
86°F Feels 88°F |
50% | 6.5 WSW | 29.92 | 65.4°F | 2% |
10 AM Scattered Showers UV: 3.7 |
92°F Feels 93°F |
40% | 8.3 WNW | 29.92 | 64.1°F | 8% |
11 AM Scattered ShowersUV: 5.6 |
97°F Feels 96°F |
33% | 9.2 NW | 29.92 | 62.7°F | 9% |
12 PM SunnyUV: 7.3 |
99°F Feels 98°F |
30% | 9.6 WNW | 29.9 | 62.1°F | 1% |
1 PM SunnyUV: 7.3 |
101°F Feels 99°F |
27% | 9.8 WNW | 29.88 | 61.2°F | 1% |
2 PM OvercastUV: 6.8 |
102°F Feels 99°F |
25% | 11.9 W | 29.86 | 59.9°F | 9% |
3 PM OvercastUV: 5.1 |
101°F Feels 97°F |
25% | 13.4 W | 29.85 | 59.1°F | 9% |
4 PM OvercastUV: 3.1 |
100°F Feels 98°F |
26% | 10.3 W | 29.83 | 58.9°F | 8% |
5 PM Partly CloudyUV: 1.5 |
100°F Feels 99°F |
27% | 6.9 W | 29.82 | 59.7°F | 4% |
6 PM OvercastUV: 0.5 |
99°F Feels 99°F |
29% | 6 NW | 29.8 | 60.9°F | 9% |
7 PM Scattered ShowersUV: 0 |
95°F Feels 97°F |
38% | 6 NNW | 29.81 | 64.9°F | 9% |
8 PM ClearUV: 0 |
89°F Feels 91°F |
44% | 5.1 N | 29.83 | 65°F | 1% |
9 PM CloudyUV: 0 |
85°F Feels 87°F |
53% | 0.9 WNW | 29.86 | 66.1°F | 9% |
10 PM ClearUV: 0 |
84°F Feels 86°F |
57% | 3.1 WNW | 29.89 | 66.8°F | 4% |
11 PM ClearUV: 0 |
83°F Feels 86°F |
59% | 2.7 N | 29.89 | 67.4°F | 3% |
Sun, Sep 6th 2026
Clear conditions expected later. Temps around 82°. Light winds from the NE at 4.9 mph, while humidity around 66%, and an avg barometric pressure of 29.9 inHg.
| Sun, Sep 6th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
82°F Feels 85°F |
66% | 4.9 NE | 29.9 | 69.3°F | 5% |
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|
81°F |
29.92 inHg.
Barometer 66%
Humidity S 8.5mph Wind |
| Clear | ||
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