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: 54°F Wind Speed: 6 to 10 mph Wind Direction: S Forecast: Sunny. High near 54, with temperatures falling to around 49 in the afternoon. South wind 6 to 10 mph, with gusts as high as 22 mph. |
Tonight |
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Temperature: 32°F Wind Speed: 7 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 32. Southwest wind around 7 mph. |
Wednesday |
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Temperature: 53°F Wind Speed: 2 to 7 mph Wind Direction: SW Forecast: Sunny. High near 53, with temperatures falling to around 49 in the afternoon. Southwest wind 2 to 7 mph. |
Wednesday Night |
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Temperature: 44°F Wind Speed: 7 to 14 mph Wind Direction: S Forecast: A chance of rain after midnight. Mostly cloudy. Low around 44, with temperatures rising to around 52 overnight. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. |
Thursday |
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Temperature: 55°F Wind Speed: 14 to 21 mph Wind Direction: SW Forecast: Rain likely before 3pm, then a slight chance of rain and snow. Partly sunny. High near 55, with temperatures falling to around 42 in the afternoon. Southwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. |
Thursday Night |
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Temperature: 20°F Wind Speed: 6 to 20 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 20. |
Friday |
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Temperature: 38°F Wind Speed: 5 to 9 mph Wind Direction: SW Forecast: Sunny, with a high near 38. |
Friday Night |
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Temperature: 33°F Wind Speed: 12 mph Wind Direction: S Forecast: Partly cloudy, with a low around 33. |
Saturday |
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Temperature: 56°F Wind Speed: 10 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 56. |
Saturday Night |
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Temperature: 31°F Wind Speed: 7 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 31. |
Sunday |
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Temperature: 45°F Wind Speed: 7 mph Wind Direction: N Forecast: Mostly sunny, with a high near 45. |
Sunday Night |
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Temperature: 32°F Wind Speed: 5 mph Wind Direction: NE Forecast: Mostly cloudy, with a low around 32. |
Monday |
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Temperature: 47°F Wind Speed: 6 mph Wind Direction: E Forecast: Partly sunny, with a high near 47. |
Monday Night |
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Temperature: 37°F Wind Speed: 6 mph Wind Direction: SE Forecast: Mostly cloudy, with a low around 37. |