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City of Effingham, ILEffingham, IL 7-Day Weather Forecast
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Effingham Weather Forecast
Effingham, IL Weather Forecast Date: 127 PM CDT Mon Sep 07 2026
Weather forecast for Effingham, IL
Today Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
This Afternoon... Sunny. Near steady temperature in the mid 80s. East winds around 5 mph. |
| Tue Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Tuesday... Mostly sunny. Highs in the lower 90s. South winds around 5 mph. |
| Wed Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Wednesday... Sunny, hot with highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index values up to 102. |
Thu Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Thursday... Showers likely in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Not as warm with highs in the lower 80s. Chance of rain 70%. |
Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. Lows around 60. Highs in the mid 80s. |
Sat Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Saturday... Partly cloudy. A chance of showers. Lows in the lower 60s. Highs in the upper 80s. Chance of rain 30%. |
| Sun Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Sunday... Mostly clear. Lows in the mid 60s. Highs in the upper 80s. |
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