Weather in St. Charles, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for St. Charles
Today |
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Temperature: 90°F Wind Speed: 5 mph Wind Direction: SW Forecast: Sunny, with a high near 90. Southwest wind around 5 mph. |
Tonight |
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Temperature: 69°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 69. South southeast wind around 5 mph. |
Sunday |
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Temperature: 92°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 99. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. |
Sunday Night |
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Temperature: 70°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Heat index values as high as 95. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. |
Monday |
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Temperature: 85°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 85. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. |
Monday Night |
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Temperature: 64°F Wind Speed: 5 to 10 mph Wind Direction: NW Forecast: Showers and thunderstorms likely before 7pm. Mostly clear, with a low around 64. Chance of precipitation is 60%. |
Tuesday |
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Temperature: 85°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: Sunny, with a high near 85. |
Tuesday Night |
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Temperature: 64°F Wind Speed: 5 to 10 mph Wind Direction: WNW Forecast: Mostly clear, with a low around 64. |
Wednesday |
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Temperature: 87°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: Mostly sunny, with a high near 87. |
Wednesday Night |
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Temperature: 66°F Wind Speed: 5 to 10 mph Wind Direction: WSW Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 66. |
Thursday |
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Temperature: 87°F Wind Speed: 5 to 10 mph Wind Direction: W Forecast: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. |
Thursday Night |
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Temperature: 65°F Wind Speed: 5 to 10 mph Wind Direction: ENE Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. |
Independence Day |
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Temperature: 88°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. |
Friday Night |
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Temperature: 69°F Wind Speed: 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. |