Lanark, IL Hourly Weather Forecast
Next 48 Hours
Fri, Sep 25th 2026
Scattered showers early, becoming Overcast conditions later. Temps range from 55° to 66°. Light winds from the ESE at 6.5 mph, as humidity fluctuates between 69% to 88%, and an avg barometric pressure of 30.23 inHg.
| Fri, Sep 25th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
3 PM Scattered ShowersUV: 2.7 |
66°F Feels 65°F Dew Point 56.4°F |
70% | 6.5 ESE | 30.24 | 56.4°F | 14% |
4 PM Scattered ShowersUV: 1.5 |
66°F Feels 64°F Dew Point 55.7°F |
69% | 6.3 ESE | 30.22 | 55.7°F | 17% |
5 PM OvercastUV: 0.8 |
65°F Feels 64°F Dew Point 56.1°F |
72% | 6 ESE | 30.21 | 56.1°F | 19% |
6 PM OvercastUV: 0.2 |
65°F Feels 64°F Dew Point 58.1°F |
78% | 5.8 ESE | 30.22 | 58.1°F | 22% |
7 PM OvercastUV: 0 |
63°F Feels 61°F Dew Point 56.9°F |
81% | 7.2 ESE | 30.23 | 56.9°F | 22% |
8 PM OvercastUV: 0 |
60°F Feels 58°F Dew Point 54.8°F |
82% | 6.9 ESE | 30.25 | 54.8°F | 24% |
9 PM ClearUV: 0 |
58°F Feels 56°F Dew Point 52.9°F |
82% | 6.7 ESE | 30.25 | 52.9°F | 10% |
10 PM ClearUV: 0 |
57°F Feels 54°F Dew Point 52°F |
83% | 6.7 E | 30.24 | 52°F | 11% |
11 PM ClearUV: 0 |
55°F Feels 53°F Dew Point 51.7°F |
88% | 6.5 E | 30.24 | 51.7°F | 13% |
Sat, Sep 26th 2026
A full day of Overcast conditions is expected. Warming trend from 51°F to 66°. Light winds, shifting from E to ESE at 6.9 mph, with humidity levels between 53% to 89%, and an avg barometric pressure of 30.17 inHg.
| Sat, Sep 26th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
53°F Feels 50°F Dew Point 50.2°F |
89% | 6.9 E | 30.24 | 50.2°F | 15% |
1 AM OvercastUV: 0 |
52°F Feels 50°F Dew Point 48°F |
85% | 5.8 ESE | 30.24 | 48°F | 27% |
2 AM OvercastUV: 0 |
52°F Feels 48°F Dew Point 45.9°F |
80% | 6.9 E | 30.23 | 45.9°F | 24% |
3 AM OvercastUV: 0 |
51°F Feels 48°F Dew Point 44°F |
76% | 6.9 E | 30.22 | 44°F | 22% |
4 AM OvercastUV: 0 |
51°F Feels 48°F Dew Point 43.4°F |
74% | 7.2 E | 30.21 | 43.4°F | 21% |
5 AM Partly CloudyUV: 0 |
52°F Feels 48°F Dew Point 44°F |
75% | 7.4 E | 30.21 | 44°F | 13% |
6 AM CloudyUV: 0 |
51°F Feels 48°F Dew Point 44.4°F |
77% | 7.2 ESE | 30.21 | 44.4°F | 15% |
7 AM OvercastUV: 0 |
51°F Feels 48°F Dew Point 44.8°F |
80% | 6.9 ESE | 30.22 | 44.8°F | 24% |
8 AM OvercastUV: 0.2 |
54°F Feels 51°F Dew Point 48.2°F |
82% | 5.8 ESE | 30.23 | 48.2°F | 25% |
9 AM OvercastUV: 0.7 |
54°F Feels 50°F Dew Point 46.6°F |
76% | 6.9 ESE | 30.22 | 46.6°F | 22% |
10 AM OvercastUV: 1.6 |
58°F Feels 53°F Dew Point 47.4°F |
68% | 7.6 ESE | 30.21 | 47.4°F | 17% |
11 AM OvercastUV: 3.2 |
61°F Feels 56°F Dew Point 48.2°F |
63% | 8.1 SE | 30.2 | 48.2°F | 15% |
12 PM OvercastUV: 4.4 |
63°F Feels 58°F Dew Point 48.6°F |
59% | 8.5 SE | 30.19 | 48.6°F | 14% |
1 PM OvercastUV: 4.8 |
65°F Feels 59°F Dew Point 48.7°F |
56% | 8.9 SE | 30.17 | 48.7°F | 13% |
2 PM OvercastUV: 3.6 |
66°F Feels 61°F Dew Point 48.3°F |
54% | 7.2 SSE | 30.15 | 48.3°F | 13% |
3 PM OvercastUV: 3.2 |
66°F Feels 62°F Dew Point 48.3°F |
53% | 7.2 SSE | 30.12 | 48.3°F | 12% |
4 PM OvercastUV: 1.5 |
66°F Feels 61°F Dew Point 49.1°F |
55% | 7.6 SE | 30.11 | 49.1°F | 12% |
5 PM OvercastUV: 0.5 |
65°F Feels 62°F Dew Point 52.2°F |
64% | 5.4 SE | 30.1 | 52.2°F | 16% |
6 PM OvercastUV: 0.2 |
65°F Feels 64°F Dew Point 55.3°F |
70% | 5.1 SE | 30.1 | 55.3°F | 18% |
7 PM OvercastUV: 0 |
62°F Feels 60°F Dew Point 52.3°F |
71% | 5.6 SE | 30.11 | 52.3°F | 19% |
8 PM OvercastUV: 0 |
61°F Feels 57°F Dew Point 50.4°F |
69% | 6 SE | 30.11 | 50.4°F | 18% |
9 PM OvercastUV: 0 |
60°F Feels 56°F Dew Point 48.6°F |
66% | 5.8 ESE | 30.12 | 48.6°F | 16% |
10 PM OvercastUV: 0 |
58°F Feels 54°F Dew Point 48°F |
69% | 6.9 ESE | 30.12 | 48°F | 18% |
11 PM OvercastUV: 0 |
56°F Feels 52°F Dew Point 48.2°F |
74% | 7.2 ESE | 30.13 | 48.2°F | 21% |
Sun, Sep 27th 2026
Overcast skies will dominate from morning to night. Temps range from 52° to 66°. Light winds from the ESE at 5 mph, with humidity ranging 50% to 73%, and an avg barometric pressure of 30.13 inHg.
| Sun, Sep 27th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
56°F Feels 52°F Dew Point 47°F |
73% | 6.7 ESE | 30.12 | 47°F | 19% |
1 AM OvercastUV: 0 |
55°F Feels 51°F Dew Point 44.3°F |
68% | 6 ESE | 30.13 | 44.3°F | 17% |
2 AM OvercastUV: 0 |
54°F Feels 51°F Dew Point 42.3°F |
64% | 5.6 ESE | 30.13 | 42.3°F | 16% |
3 AM OvercastUV: 0 |
54°F Feels 51°F Dew Point 42.5°F |
65% | 4.9 ESE | 30.12 | 42.5°F | 16% |
4 AM OvercastUV: 0 |
54°F Feels 51°F Dew Point 42.8°F |
67% | 4.7 ESE | 30.11 | 42.8°F | 17% |
5 AM OvercastUV: 0 |
54°F Feels 51°F Dew Point 43°F |
67% | 4.5 ESE | 30.12 | 43°F | 15% |
6 AM OvercastUV: 0 |
53°F Feels 50°F Dew Point 42.9°F |
68% | 5.1 ESE | 30.12 | 42.9°F | 17% |
7 AM OvercastUV: 0 |
52°F Feels 50°F Dew Point 42.7°F |
69% | 5.1 E | 30.13 | 42.7°F | 18% |
8 AM OvercastUV: 0.1 |
55°F Feels 52°F Dew Point 45.9°F |
72% | 4.7 ESE | 30.14 | 45.9°F | 19% |
9 AM OvercastUV: 0.4 |
55°F Feels 52°F Dew Point 44°F |
66% | 4.9 ESE | 30.14 | 44°F | 17% |
10 AM OvercastUV: 0.6 |
58°F Feels 54°F Dew Point 44.8°F |
61% | 4.5 ESE | 30.14 | 44.8°F | 15% |
11 AM OvercastUV: 1.7 |
61°F Feels 57°F Dew Point 45.6°F |
57% | 4.5 ESE | 30.14 | 45.6°F | 14% |
12 PM OvercastUV: 3.4 |
63°F Feels 60°F Dew Point 46.1°F |
54% | 4.3 ESE | 30.13 | 46.1°F | 13% |
1 PM OvercastUV: 3.9 |
65°F Feels 62°F Dew Point 46.5°F |
51% | 4.5 ESE | 30.12 | 46.5°F | 12% |
2 PM OvercastUV: 3.9 |
66°F Feels 63°F Dew Point 46.9°F |
50% | 4.7 E | 30.09 | 46.9°F | 11% |
