Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
Overnight |
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Temperature: 29°F Wind Speed: 7 mph Wind Direction: N Forecast: Mostly cloudy, with a low around 29. North wind around 7 mph. |
Friday |
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Temperature: 36°F Wind Speed: 6 to 9 mph Wind Direction: N Forecast: Mostly cloudy, with a high near 36. North wind 6 to 9 mph. |
Friday Night |
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Temperature: 22°F Wind Speed: 7 mph Wind Direction: NW Forecast: Mostly cloudy, with a low around 22. Northwest wind around 7 mph. |
Saturday |
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Temperature: 28°F Wind Speed: 5 to 10 mph Wind Direction: N Forecast: A slight chance of snow after 11am. Mostly cloudy. High near 28, with temperatures falling to around 20 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 20%. |
Saturday Night |
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Temperature: 5°F Wind Speed: 10 mph Wind Direction: N Forecast: Partly cloudy, with a low around 5. North wind around 10 mph. |
Sunday |
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Temperature: 15°F Wind Speed: 3 to 9 mph Wind Direction: N Forecast: Sunny, with a high near 15. |
Sunday Night |
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Temperature: 9°F Wind Speed: 2 to 7 mph Wind Direction: SE Forecast: Clear, with a low around 9. |
Monday |
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Temperature: 40°F Wind Speed: 7 to 10 mph Wind Direction: S Forecast: Sunny, with a high near 40. |
Monday Night |
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Temperature: 27°F Wind Speed: 6 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 27. |
Tuesday |
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Temperature: 50°F Wind Speed: 5 to 8 mph Wind Direction: S Forecast: Mostly sunny, with a high near 50. |
Tuesday Night |
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Temperature: 37°F Wind Speed: 7 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 37. |
Wednesday |
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Temperature: 56°F Wind Speed: 9 mph Wind Direction: S Forecast: Partly sunny, with a high near 56. |
Wednesday Night |
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Temperature: 43°F Wind Speed: 9 mph Wind Direction: SW Forecast: A slight chance of rain after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 20%. |
Thursday |
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Temperature: 53°F Wind Speed: 8 to 12 mph Wind Direction: W Forecast: A slight chance of rain before noon. Mostly sunny, with a high near 53. Chance of precipitation is 20%. |