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Mattis Lake, IL 7-Day Weather Forecast
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Mattis Lake Weather Forecast
Mattis Lake, IL Weather Forecast Date: 938 AM CDT Thu Aug 20 2026
Weather forecast for Mattis Lake, IL
Today Hi: 80°FHi: 27°C Lo: 60°F Lo: 16°C |
Rest of Today... Sunny. Highs around 80. Northeast winds 5 to 10 mph. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph, becoming west in the afternoon. |
| Sat Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Saturday... Sunny. Highs around 80. Northwest winds 10 to 15 mph. |
| Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Mostly clear. Lows in the upper 50s. Highs in the upper 70s. |
| Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Mostly clear. Lows in the upper 50s. Highs in the upper 70s. |
| Mon Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Monday... Mostly sunny. Highs in the upper 70s. |
Tue Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Tuesday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
| Wed Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Partly cloudy. Highs in the lower 80s. Lows in the lower 60s. |
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