Weather in St. Charles, Illinois, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for St. Charles
This Afternoon |
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Temperature: 83°F Wind Speed: 15 mph Wind Direction: SSW Forecast: Mostly sunny, with a high near 83. South southwest wind around 15 mph, with gusts as high as 30 mph. |
Tonight |
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Temperature: 73°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
Saturday |
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Temperature: 95°F Wind Speed: 15 to 25 mph Wind Direction: SSW Forecast: Sunny, with a high near 95. Heat index values as high as 109. South southwest wind 15 to 25 mph, with gusts as high as 45 mph. |
Saturday Night |
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Temperature: 77°F Wind Speed: 15 to 25 mph Wind Direction: SW Forecast: Clear, with a low around 77. Heat index values as high as 106. Southwest wind 15 to 25 mph, with gusts as high as 40 mph. |
Sunday |
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Temperature: 96°F Wind Speed: 15 to 20 mph Wind Direction: SW Forecast: Sunny, with a high near 96. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. |
Sunday Night |
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Temperature: 76°F Wind Speed: 10 to 20 mph Wind Direction: SSW Forecast: Clear, with a low around 76. |
Monday |
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Temperature: 97°F Wind Speed: 10 to 15 mph Wind Direction: SW Forecast: Sunny, with a high near 97. |
Monday Night |
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Temperature: 76°F Wind Speed: 5 to 15 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. |
Tuesday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
Tuesday Night |
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Temperature: 67°F Wind Speed: 5 to 10 mph Wind Direction: ESE Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. |
Wednesday |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 91. |
Wednesday Night |
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Temperature: 69°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. |
Thursday |
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Temperature: 88°F Wind Speed: 5 to 15 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88. |
Thursday Night |
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Temperature: 67°F Wind Speed: 10 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. |