Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
Today |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: SW Forecast: Sunny, with a high near 82. Southwest wind around 7 mph. |
Tonight |
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Temperature: 61°F Wind Speed: 5 mph Wind Direction: S Forecast: Mostly clear, with a low around 61. South wind around 5 mph. |
Friday |
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Temperature: 86°F Wind Speed: 6 to 14 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. |
Friday Night |
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Temperature: 48°F Wind Speed: 14 mph Wind Direction: SW Forecast: Showers and thunderstorms before 4am, then showers and thunderstorms. Mostly cloudy. Low around 48, with temperatures rising to around 56 overnight. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. |
Saturday |
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Temperature: 60°F Wind Speed: 14 mph Wind Direction: NW Forecast: Showers and thunderstorms. Mostly sunny, with a high near 60. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. |
Saturday Night |
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Temperature: 40°F Wind Speed: 6 to 12 mph Wind Direction: W Forecast: A slight chance of rain showers before 7pm. Mostly clear, with a low around 40. Chance of precipitation is 20%. |
Sunday |
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Temperature: 65°F Wind Speed: 6 to 10 mph Wind Direction: W Forecast: Sunny, with a high near 65. |
Sunday Night |
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Temperature: 43°F Wind Speed: 6 mph Wind Direction: NE Forecast: Clear, with a low around 43. |
Monday |
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Temperature: 72°F Wind Speed: 5 to 9 mph Wind Direction: S Forecast: Sunny, with a high near 72. |
Monday Night |
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Temperature: 52°F Wind Speed: 8 mph Wind Direction: S Forecast: Mostly clear, with a low around 52. |
Tuesday |
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Temperature: 75°F Wind Speed: 7 to 12 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 75. |
Tuesday Night |
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Temperature: 55°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 55. Chance of precipitation is 20%. |
Wednesday |
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Temperature: 79°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 79. Chance of precipitation is 20%. |
Wednesday Night |
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Temperature: 57°F Wind Speed: 8 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%. |