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Argyle Lake State Park Weather Forecast
Argyle Lake State Park, IL Weather Forecast Date: 546 PM CDT Fri Aug 28 2026
Weather forecast for Argyle Lake State Park, IL
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph. |
Sat Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C |
Saturday... Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. |
Sun Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny. Hot with highs around 90. South winds 10 to 15 mph with gusts up to 25 mph. |
| Mon Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Monday... Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 100. |
| Tue Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 100. |
| Tue Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 100. |
| Wed Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 100. |
Thu Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Thursday... Partly cloudy. Hot. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 100. |
| Fri Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Friday... Partly cloudy. Hot. Highs in the lower 90s. Lows in the mid 70s. Heat index values up to 100. |
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