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Grigg, IL 7-Day Weather Forecast
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Grigg Weather Forecast
Grigg, IL Weather Forecast Date: 433 AM CDT Fri Sep 04 2026
Weather forecast for Grigg, IL
Today Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Today... Sunny. Isolated showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds around 5 mph. Chance of rain 20%. Heat index values up to 107. |
Sat Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Saturday... Mostly sunny. Hot with highs in the upper 90s. Northwest winds around 5 mph. Heat index values up to 106. |
| Sun Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Sunday... Sunny with highs in the lower 90s. Northeast winds 5 to 10 mph. Heat index values up to 104. |
| Mon Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Monday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100. |
| Tue Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100. |
| Tue Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Tuesday... Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100. |
| Wed Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105. |
| Wed Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Wednesday... Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105. |
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