Weather in Saint Charles, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Saint Charles
Today |
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Temperature: 96°F Wind Speed: 3 to 7 mph Wind Direction: SW 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 sunny. High near 96, with temperatures falling to around 91 in the afternoon. Heat index values as high as 109. Southwest wind 3 to 7 mph. Chance of precipitation is 40%. |
Tonight |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 78. Heat index values as high as 101. Southwest wind around 6 mph. Chance of precipitation is 20%. |
Sunday |
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Temperature: 96°F Wind Speed: 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 96. Heat index values as high as 107. Southwest wind around 7 mph. |
Sunday Night |
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Temperature: 76°F Wind Speed: 6 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 76. Heat index values as high as 105. Southeast wind around 6 mph. Chance of precipitation is 40%. |
Monday |
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Temperature: 93°F Wind Speed: 6 mph Wind Direction: S Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind around 6 mph. Chance of precipitation is 30%. |
Monday Night |
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Temperature: 76°F Wind Speed: 6 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 96°F Wind Speed: 6 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 96. |
Tuesday Night |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 78. |
Wednesday |
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Temperature: 99°F Wind Speed: 6 mph Wind Direction: S Forecast: Sunny, with a high near 99. |
Wednesday Night |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 78. |
Thursday |
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Temperature: 99°F Wind Speed: 7 mph Wind Direction: SW Forecast: Sunny, with a high near 99. |
Thursday Night |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 78. |
Friday |
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Temperature: 98°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Sunny, with a high near 98. |
Friday Night |
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Temperature: 78°F Wind Speed: 6 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 78. Chance of precipitation is 20%. |