Williamson County, IL Hourly Weather Forecast
Next 48 Hours
Sat, Oct 31st 2026
Overcast skies will dominate from morning to night. Temps range from 61° to 75°. Light winds, shifting from E to SSE at 5.7 mph, as humidity ranges 38% to 71%, and an avg barometric pressure of 30.22 inHg.
| Sat, Oct 31st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
8 AM Overcast UV: 0 |
61°F Feels 56°F |
48% | 5.8 E | 30.23 | 41.7°F | 11% |
9 AM OvercastUV: 0.4 |
65°F Feels 59°F |
45% | 6.7 ESE | 30.25 | 42.7°F | 11% |
10 AM OvercastUV: 1.2 |
64°F Feels 60°F |
51% | 6 ESE | 30.27 | 46°F | 12% |
11 AM OvercastUV: 1.6 |
69°F Feels 64°F |
44% | 6 SE | 30.26 | 46.2°F | 11% |
12 PM OvercastUV: 2.2 |
71°F Feels 68°F |
44% | 5.1 SE | 30.24 | 47.9°F | 10% |
1 PM OvercastUV: 1.6 |
70°F Feels 68°F |
52% | 4.3 ESE | 30.23 | 51.4°F | 12% |
2 PM OvercastUV: 1.4 |
74°F Feels 71°F |
40% | 3.8 SSE | 30.19 | 48.2°F | 10% |
3 PM OvercastUV: 1.1 |
75°F Feels 72°F |
38% | 4.7 SSE | 30.19 | 48.3°F | 10% |
4 PM Scattered Showers UV: 0.7 |
70°F Feels 69°F |
55% | 4.5 E | 30.2 | 53.7°F | 17% |
5 PM OvercastUV: 0.2 |
74°F Feels 70°F |
40% | 6.9 ENE | 30.16 | 48.2°F | 10% |
6 PM Overcast UV: 0 |
71°F Feels 68°F |
45% | 5.1 ESE | 30.18 | 48.5°F | 11% |
7 PM Scattered Showers UV: 0 |
65°F Feels 63°F |
71% | 6.9 E | 30.22 | 55.4°F | 21% |
8 PM OvercastUV: 0 |
69°F Feels 66°F |
49% | 4.9 ESE | 30.22 | 48.9°F | 12% |
9 PM OvercastUV: 0 |
68°F Feels 65°F |
50% | 4.7 ENE | 30.22 | 48.9°F | 12% |
10 PM OvercastUV: 0 |
65°F Feels 62°F |
68% | 7.4 ESE | 30.23 | 54.1°F | 17% |
11 PM OvercastUV: 0 |
69°F Feels 64°F |
48% | 8.1 SSE | 30.23 | 48.3°F | 11% |
Sun, Nov 1st 2026
Scattered showers early, becoming Overcast conditions later. Temps range from 57° to 67°. Breezy wind, shifting from SSE to SE at 9.2 mph, with humidity levels between 52% to 95%, and an avg barometric pressure of 30.24 inHg.
| Sun, Nov 1st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Scattered ShowersUV: 0 |
67°F Feels 62°F |
52% | 8.3 SSE | 30.22 | 48.9°F | 14% |
1 AM Light Rain UV: 0 |
60°F Feels 57°F |
95% | 9.2 SSE | 30.25 | 58.3°F | 82% Rain est. 0.08in |
2 AM Moderate Rain UV: 0 |
60°F Feels 56°F |
94% | 11.4 SSE | 30.24 | 58.1°F | 86% Rain est. 0.12in |
3 AM Light RainUV: 0 |
59°F Feels 57°F |
93% | 8.5 SE | 30.24 | 57.2°F | 81% Rain est. 0.07in |
4 AM Light Drizzle UV: 0 |
59°F Feels 57°F |
93% | 8.9 ESE | 30.23 | 57.4°F | 57% Rain est. 0.01in |
5 AM Scattered ShowersUV: 0 |
59°F Feels 56°F |
93% | 9.6 SE | 30.24 | 57.4°F | 36% |
6 AM Scattered ShowersUV: 0 |
59°F Feels 55°F |
94% | 9.4 SE | 30.25 | 56.8°F | 36% |
7 AM Light RainUV: 0 |
59°F Feels 55°F |
93% | 10.5 SE | 30.25 | 57°F | 71% Rain est. 0.03in |
8 AM Light Rain UV: 0 |
59°F Feels 55°F |
93% | 11.2 SE | 30.26 | 56.9°F | 78% Rain est. 0.06in |
9 AM Scattered ShowersUV: 0.1 |
59°F Feels 54°F |
84% | 10.1 SE | 30.29 | 53.8°F | 36% |
10 AM Scattered ShowersUV: 0.4 |
58°F Feels 53°F |
91% | 11 SE | 30.27 | 55.2°F | 34% |
11 AM Scattered ShowersUV: 0.3 |
58°F Feels 53°F |
90% | 11.4 SE | 30.26 | 54.6°F | 31% |
12 PM Scattered ShowersUV: 0.4 |
59°F Feels 53°F |
79% | 10.5 SE | 30.27 | 52.1°F | 24% |
1 PM Scattered ShowersUV: 0.2 |
57°F Feels 53°F |
91% | 10.3 SE | 30.23 | 54.4°F | 40% |
2 PM Scattered ShowersUV: 0.3 |
57°F Feels 53°F |
92% | 9.4 SE | 30.22 | 54.6°F | 32% |
3 PM OvercastUV: 0.2 |
59°F Feels 55°F |
81% | 8.5 SE | 30.23 | 52.8°F | 25% |
4 PM OvercastUV: 0.1 |
57°F Feels 53°F |
93% | 8.5 SE | 30.21 | 54.5°F | 31% |
5 PM OvercastUV: 0 |
57°F Feels 54°F |
93% | 8.1 SE | 30.21 | 54.8°F | 32% |
6 PM Scattered ShowersUV: 0 |
57°F Feels 54°F |
86% | 8.1 SE | 30.22 | 53.1°F | 28% |
7 PM OvercastUV: 0 |
57°F Feels 54°F |
93% | 8.3 SE | 30.22 | 55.1°F | 32% |
8 PM OvercastUV: 0 |
57°F Feels 54°F |
93% | 7.8 SE | 30.21 | 55°F | 32% |
9 PM OvercastUV: 0 |
57°F Feels 54°F |
83% | 7.6 SE | 30.22 | 52.4°F | 26% |
10 PM OvercastUV: 0 |
57°F Feels 55°F |
94% | 7.4 SSE | 30.21 | 55.4°F | 32% |
11 PM OvercastUV: 0 |
57°F Feels 55°F |
94% | 7.8 SE | 30.19 | 55.6°F | 32% |
Mon, Nov 2nd 2026
Scattered showers giving way to Overcast conditions by evening. Temps range from 58° to 59°. Breezy wind from the SSE at 8.2 mph, with humidity ranging 81% to 95%, and an avg barometric pressure of 30.18 inHg.
| Mon, Nov 2nd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
58°F Feels 55°F |
82% | 7.4 SSE | 30.2 | 52.6°F | 25% |
1 AM Mist UV: 0 |
58°F Feels 56°F |
94% | 7.2 SSE | 30.19 | 56.1°F | 48% |
2 AM Light DrizzleUV: 0 |
58°F Feels 56°F |
95% | 6.9 SSE | 30.19 | 56.4°F | 64% Rain est. 0.01in |
3 AM OvercastUV: 0 |
59°F Feels 55°F |
81% | 7.4 SSE | 30.18 | 53°F | 25% |
4 AM OvercastUV: 0 |
59°F Feels 56°F |
95% | 8.3 SSE | 30.16 | 57.1°F | 33% |
5 AM OvercastUV: 0 |
59°F Feels 56°F |
95% | 9.4 SSE | 30.16 | 57.4°F | 33% |
6 AM Scattered ShowersUV: 0 |
58°F Feels 55°F |
83% | 7.6 SE | 30.17 | 53.1°F | 27% |
7 AM Scattered ShowersUV: 0 |
59°F Feels 56°F |
95% | 11 SSE | 30.15 | 57.8°F | 40% |
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