| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Tuesday, 23-Apr-2024 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Fair to partly cloudy. Cool. Low 44°. Wind west-northwest around 5 mph, gusting to 15 mph. |
| Wednesday |
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 66°. UV index up to 5. Wind north-northeast around 6 mph, gusting to 25 mph. |
| Wednesday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 43°. Wind east-northeast around 6 mph, gusting to 22 mph. |
| Thursday |
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. High 62°. UV index up to 4. Wind east-southeast around 9 mph, gusting to 26 mph. |
| Thursday night |
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Low 49°. Wind southeast around 10 mph, gusting to 21 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch. |
| Friday |
Dense overcast. Rain likely in the morning, then a chance of rain in the afternoon. Thunderstorms very likely, some severe. Breezy. High 72°. Wind south-southeast around 13 mph, gusting to 23 mph, in the morning, becoming 17 mph, gusting to 31 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around an inch. |
| Friday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Scattered thunderstorms likely, some possibly severe. Windy and mild. Low 65°. Wind south-southeast around 16 mph, gusting to 29 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch. |
| Saturday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thunderstorms likely, some possibly severe. Breezy and warm. High 81°. UV index up to 6. Wind south-southeast around 16 mph, gusting to 32 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Saturday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Scattered thunderstorms likely, some possibly severe. Breezy and warm. Low 68°. Wind south around 14 mph, gusting to 29 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Sunday |
Dense overcast. Rain likely. Thunderstorms very likely, some severe. Breezy. High 73°. Wind south around 14 mph, gusting to 29 mph. Chance of precipitation 70 percent. Precipitation mostly around a quarter of an inch. |
| Sunday night |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain very likely. Thunderstorms very likely, some severe. Low 60°. Wind south around 10 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly between 2 and 3 inches. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 74°. UV index up to 6. Wind west-southwest around 9 mph, gusting to 27 mph. |
| Monday night |
Clear. Low 54°. Wind west-northwest around 3 mph, gusting to 23 mph, in the evening, becoming southeast after midnight. |
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