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New Thompson Lake, IL 7-Day Weather Forecast
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New Thompson Lake Weather Forecast
New Thompson Lake, IL Weather Forecast Date: 702 AM CDT Wed Aug 19 2026
Weather forecast for New Thompson Lake, IL
Today Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Today... Mostly cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds around 5 mph. Chance of rain 90%. |
Thu Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Thursday... Partly sunny. Highs in the mid 80s. North winds around 5 mph. |
Fri Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Friday... Sunny. Highs in the mid 80s. Calm winds, becoming north around 5 mph in the afternoon. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Mostly clear. Lows in the mid 60s. Highs in the mid 80s. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Mostly clear. Lows in the mid 60s. Highs in the mid 80s. |
Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s. |
| Mon Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Monday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s. |
| Mon Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Monday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s. |
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