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Dennis Lake, IL 7-Day Weather Forecast
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Dennis Lake Weather Forecast
Dennis Lake, IL Weather Forecast Date: 251 PM CDT Tue Aug 18 2026
Weather forecast for Dennis Lake, IL
Today Hi: 80°FHi: 27°C Lo: 69°F Lo: 21°C |
This Afternoon... Mostly cloudy. Near steady temperature around 80. Southwest winds 5 to 10 mph. |
Wed Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the afternoon. Humid with highs around 80. North winds around 5 mph. Chance of rain 30%. |
Thu Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Sunny with highs in the lower 80s. East winds around 5 mph. |
| Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s. |
| Sat Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Saturday... Mostly clear. Highs in the lower 80s. Lows in the lower 60s. |
| Sun Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Sunday... Mostly sunny. Highs in the upper 70s. |
| Mon Hi: 81°FHi: 27°C |
Monday... Mostly sunny. Highs in the lower 80s. |
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