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Griggsville High School, IL 7-Day Weather Forecast
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Griggsville High School Weather Forecast
Griggsville High School, IL Weather Forecast Date: 757 PM CDT Fri Aug 14 2026
Weather forecast for Griggsville High School, IL
Tonight Lo: 75°F Lo: 24°C |
Tonight... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 50%. Heat index values up to 101 early this evening. |
Sat Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Saturday... Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50%. Heat index values up to 103. |
| Sun Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Sunday... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Northwest winds around 5 mph. Chance of rain 20%. Heat index values up to 103. |
Mon Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Monday... Partly cloudy. Highs in the mid 80s. Lows in the mid 60s. |
Tue Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Tuesday... Sunny. Highs in the upper 80s. |
| Wed Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Wednesday... Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20%. |
Thu Hi: 80°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Partly sunny. A chance of showers in the morning. Highs around 80. Chance of rain 40%. |
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