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Village of Thomson, ILThomson, IL 7-Day Weather Forecast
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Thomson Weather Forecast
Thomson, IL Weather Forecast Date: 836 PM CDT Thu Sep 03 2026
Weather forecast for Thomson, IL
Tonight Lo: 71°F Lo: 22°C |
Tonight... Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 101 early this evening. |
Fri Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the lower 90s. South winds around 5 mph, becoming southwest in the afternoon. Chance of rain 20%. Heat index values up to 105 in the afternoon. |
Sat Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Saturday... Mostly sunny. Humid with highs in the upper 80s. Northeast winds around 5 mph. |
Sun Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
| Mon Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Monday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
| Mon Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Monday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
| Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Mostly sunny. Highs in the upper 80s. |
Wed Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny. Highs in the upper 80s. |
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