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: 13°F Wind Speed: 3 mph Wind Direction: NE Forecast: Mostly cloudy. Low around 13, with temperatures rising to around 17 overnight. Northeast wind around 3 mph. |
Thursday |
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Temperature: 23°F Wind Speed: 6 mph Wind Direction: NE Forecast: A slight chance of snow after 4pm. Mostly cloudy, with a high near 23. Northeast wind around 6 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 6°F Wind Speed: 5 mph Wind Direction: N Forecast: Snow likely before 9pm. Mostly cloudy, with a low around 6. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible. |
Friday |
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Temperature: 18°F Wind Speed: 3 to 9 mph Wind Direction: N Forecast: Mostly sunny, with a high near 18. North wind 3 to 9 mph. |
Friday Night |
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Temperature: 4°F Wind Speed: 9 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 4. Northwest wind around 9 mph. |
Saturday |
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Temperature: 20°F Wind Speed: 5 to 9 mph Wind Direction: NW Forecast: Sunny, with a high near 20. |
Saturday Night |
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Temperature: 3°F Wind Speed: 3 mph Wind Direction: W Forecast: Mostly clear, with a low around 3. |
Sunday |
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Temperature: 30°F Wind Speed: 2 to 6 mph Wind Direction: SW Forecast: A slight chance of snow after noon. Partly sunny, with a high near 30. Chance of precipitation is 20%. |
Sunday Night |
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Temperature: 20°F Wind Speed: 6 mph Wind Direction: SW Forecast: A slight chance of snow before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 20%. |
Monday |
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Temperature: 37°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Partly sunny, with a high near 37. |
Monday Night |
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Temperature: 20°F Wind Speed: 3 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 20. |
Tuesday |
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Temperature: 37°F Wind Speed: 6 mph Wind Direction: W Forecast: Mostly cloudy, with a high near 37. |
Tuesday Night |
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Temperature: 24°F Wind Speed: 6 mph Wind Direction: N Forecast: A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
Wednesday |
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Temperature: 35°F Wind Speed: 6 mph Wind Direction: N Forecast: A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%. |