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Upper Bluff Lake, IL 7-Day Weather Forecast
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Upper Bluff Lake Weather Forecast
Upper Bluff Lake, IL Weather Forecast Date: 322 AM CDT Fri Sep 18 2026
Weather forecast for Upper Bluff Lake, IL
Today Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Today... Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Calm winds, becoming west around 5 mph this afternoon. Chance of rain 20%. |
Sat Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Saturday... Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. |
| Sun Hi: 99°FHi: 37°C Lo: 70°F Lo: 21°C |
Sunday... Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph. |
| Mon Hi: 90°FHi: 32°C Lo: 65°F Lo: 18°C |
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50%. |
Tue Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny. Highs in the upper 70s. |
Wed Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Wednesday... Partly cloudy. Lows in the upper 50s. Highs in the mid 70s. |
| Thu Hi: 79°FHi: 26°C |
Thursday... Mostly sunny. Highs in the upper 70s. |
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