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St. Charles High School, IL 7-Day Weather Forecast
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St. Charles High School Weather Forecast
St. Charles High School, IL Weather Forecast Date: 326 PM CDT Sun Aug 09 2026
Weather forecast for St. Charles High School, IL
Late Today Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Late This Afternoon... Mostly cloudy. A slight chance of showers and thunderstorms. Temperatures in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20%. |
| Mon Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Monday... Mostly cloudy. A slight chance of showers and thunderstorms early in the afternoon. A chance of showers and thunderstorms late. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of precipitation 40%. |
Tue Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Tuesday... Showers and thunderstorms likely, mainly in the morning. Humid with highs in the lower 80s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of precipitation 70%. |
| Wed Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50%. |
Thu Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Thursday... Mostly cloudy. Highs in the upper 70s. |
| Fri Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Friday... Mostly cloudy. Highs in the mid 70s. |
| Sat Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Saturday... Mostly cloudy. A chance of showers and thunderstorms in the morning. Highs in the mid 70s. Chance of precipitation 40%. |
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