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Eldorado Reservoir, IL 7-Day Weather Forecast
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Eldorado Reservoir Weather Forecast
Eldorado Reservoir, IL Weather Forecast Date: 447 PM CDT Sun Aug 16 2026
Weather forecast for Eldorado Reservoir, IL
Tonight Lo: 71°F Lo: 22°C |
Tonight... Partly cloudy this evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 50%. |
Mon Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Monday... Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Northwest winds 5 to 10 mph. Chance of rain 40%. |
Tue Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. Highs in the upper 80s. Calm winds, becoming north around 5 mph in the afternoon. |
| Wed Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 40%. |
| Thu Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Thursday... Mostly cloudy. A chance of showers and thunderstorms in the morning. Highs in the mid 80s. Chance of rain 50%. |
| Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Mostly sunny. Highs in the mid 80s. |
| Sat Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Saturday... Mostly clear. Lows in the lower 60s. Highs in the mid 80s. |
| Sun Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Sunday... Mostly clear. Lows in the lower 60s. Highs in the mid 80s. |
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