Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
This Afternoon |
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Temperature: 17°F Wind Speed: 3 mph Wind Direction: N Forecast: Sunny, with a high near 17. North wind around 3 mph. |
Tonight |
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Temperature: 12°F Wind Speed: 2 to 8 mph Wind Direction: SE Forecast: Clear, with a low around 12. Southeast wind 2 to 8 mph. |
Monday |
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Temperature: 43°F Wind Speed: 7 to 13 mph Wind Direction: SW Forecast: Sunny. High near 43, with temperatures falling to around 39 in the afternoon. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. |
Monday Night |
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Temperature: 28°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly clear, with a low around 28. Southwest wind around 6 mph. |
Tuesday |
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Temperature: 51°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: Sunny. High near 51, with temperatures falling to around 46 in the afternoon. Southwest wind 5 to 8 mph. |
Tuesday Night |
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Temperature: 35°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 35. |
Wednesday |
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Temperature: 53°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 53. |
Wednesday Night |
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Temperature: 45°F Wind Speed: 6 to 14 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 20%. |
Thursday |
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Temperature: 57°F Wind Speed: 14 to 17 mph Wind Direction: W Forecast: A chance of rain showers. Partly sunny, with a high near 57. Chance of precipitation is 50%. |
Thursday Night |
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Temperature: 20°F Wind Speed: 3 to 13 mph Wind Direction: NW Forecast: Mostly clear, with a low around 20. |
Friday |
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Temperature: 37°F Wind Speed: 3 to 8 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 37. |
Friday Night |
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Temperature: 31°F Wind Speed: 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 31. |
Saturday |
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Temperature: 56°F Wind Speed: 7 to 10 mph Wind Direction: S Forecast: Partly sunny, with a high near 56. |
Saturday Night |
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Temperature: 33°F Wind Speed: 6 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 33. |