Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
Tonight |
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Temperature: 7°F Wind Speed: 6 mph Wind Direction: NW Forecast: Mostly cloudy. Low around 7, with temperatures rising to around 11 overnight. Northwest wind around 6 mph. |
Tuesday |
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Temperature: 24°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Partly sunny, with a high near 24. West wind 3 to 7 mph. |
Tuesday Night |
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Temperature: 4°F Wind Speed: 6 mph Wind Direction: W Forecast: Partly cloudy, with a low around 4. West wind around 6 mph. |
Wednesday |
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Temperature: 22°F Wind Speed: 6 mph Wind Direction: W Forecast: Sunny. High near 22, with temperatures falling to around 18 in the afternoon. West wind around 6 mph. |
Wednesday Night |
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Temperature: 2°F Wind Speed: 3 mph Wind Direction: W Forecast: Mostly clear, with a low around 2. West wind around 3 mph. |
Thursday |
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Temperature: 24°F Wind Speed: 2 mph Wind Direction: S Forecast: Sunny, with a high near 24. |
Thursday Night |
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Temperature: 12°F Wind Speed: 2 mph Wind Direction: SE Forecast: A slight chance of snow after midnight. Mostly cloudy, with a low around 12. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible. |
Friday |
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Temperature: 29°F Wind Speed: 5 mph Wind Direction: SE Forecast: A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 40%. New snow accumulation of less than one inch possible. |
Friday Night |
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Temperature: 17°F Wind Speed: 3 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 17. |
Saturday |
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Temperature: 29°F Wind Speed: 6 mph Wind Direction: W Forecast: Partly sunny, with a high near 29. |
Saturday Night |
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Temperature: 16°F Wind Speed: 3 mph Wind Direction: SW Forecast: Mostly cloudy, with a low around 16. |
Sunday |
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Temperature: 34°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Partly sunny, with a high near 34. |
Sunday Night |
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Temperature: 22°F Wind Speed: 7 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 22. |
Monday |
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Temperature: 31°F Wind Speed: 9 mph Wind Direction: W Forecast: Partly sunny, with a high near 31. |