Weather in St. Charles, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for St. Charles
Overnight |
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Temperature: 72°F Wind Speed: 5 mph Wind Direction: SSW Forecast: Mostly clear, with a low around 72. South southwest wind around 5 mph. |
Saturday |
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Temperature: 93°F Wind Speed: 5 to 15 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 93. Heat index values as high as 96. South southwest wind 5 to 15 mph, with gusts as high as 30 mph. |
Saturday Night |
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Temperature: 72°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 72. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday |
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Temperature: 85°F Wind Speed: 10 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 63°F Wind Speed: 5 to 10 mph Wind Direction: NNE Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. |
Monday |
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Temperature: 86°F Wind Speed: 0 to 10 mph Wind Direction: NNE Forecast: Mostly sunny, with a high near 86. |
Monday Night |
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Temperature: 64°F Wind Speed: 0 to 5 mph Wind Direction: ENE Forecast: Partly cloudy, with a low around 64. |
Tuesday |
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Temperature: 90°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Mostly sunny, with a high near 90. |
Tuesday Night |
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Temperature: 68°F Wind Speed: 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. |
Wednesday |
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Temperature: 86°F Wind Speed: 5 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. |
Wednesday Night |
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Temperature: 65°F Wind Speed: 0 to 5 mph Wind Direction: NE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. |
Thursday |
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Temperature: 86°F Wind Speed: 5 to 10 mph Wind Direction: ENE Forecast: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. |
Thursday Night |
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Temperature: 64°F Wind Speed: 5 mph Wind Direction: E Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. |
Friday |
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Temperature: 88°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 88. |