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Simpson, IL 7-Day Weather Forecast
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Simpson Weather Forecast
Simpson, IL Weather Forecast Date: 1202 PM CDT Fri Sep 04 2026
Weather forecast for Simpson, IL
Today Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
This Afternoon... Sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the upper 90s. Southwest winds around 5 mph. Chance of rain 20%. Highest heat index readings heat index readings up to 106. |
Sat Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Saturday... Sunny, hot with highs in the upper 90s. Northwest winds around 5 mph. Highest heat index readings heat index readings up to 106 in the afternoon. |
| Sun Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Sunday... Sunny. Highs in the lower 90s. Northeast winds 5 to 10 mph. |
| Labor Day Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Labor Day... Clear. Highs in the lower 90s. Lows in the mid 60s. |
| Tue Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Tuesday... Sunny. Highs in the mid 90s. |
| Wed Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Wednesday... Clear, hot. Lows in the lower 70s. Highs in the mid 90s. |
| Thu Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Thursday... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. |
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