| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Saturday, 27-Apr-2024 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Thunderstorms very likely, some possibly severe. Breezy. Low 64°. Wind south around 12 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly around a quarter of an inch. |
| Sunday |
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Scattered thunderstorms likely. Breezy and warm. High 77°. Wind south around 10 mph, gusting to 28 mph, in the morning, becoming 15 mph, gusting to 31 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch. |
| Sunday night |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Scattered thunderstorms likely. Low 60°. Wind south around 11 mph, gusting to 28 mph, in the evening, becoming 8 mph, gusting to 18 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly around an inch. |
| Monday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Warm. High 77°. UV index up to 6. Wind south-southwest around 9 mph, gusting to 29 mph, in the morning, becoming west-southwest in the afternoon. |
| Monday night |
Mostly clear in the evening, becoming clear after midnight. Low 54°. Wind west-northwest around 2 mph, gusting to 23 mph, in the evening, becoming southeast after midnight. |
| Tuesday |
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 83°. UV index up to 7. Wind south-southeast around 7 mph, gusting to 25 mph. |
| Tuesday night |
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Rain likely. Scattered thunderstorms likely, some possibly severe. Low 62°. Wind south around 8 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly between a quarter and half an inch. |
| Wednesday |
Partly cloudy in the morning, becoming sunny in the afternoon. Light to moderate fog in the morning. A chance of rain. Scattered thunderstorms likely. Unusually hot. High 88°. Heat index up to 92°. UV index up to 8. Wind south-southwest around 6 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Wednesday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Warm. Low 67°. Wind south-southeast around 10 mph, gusting to 23 mph. |
| Thursday |
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. Rain likely. Scattered thunderstorms likely. High 75°. Wind south around 10 mph, gusting to 25 mph. Chance of precipitation 70 percent. Precipitation mostly around half an inch. |
| Thursday night |
Partly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. Rain likely. Scattered thunderstorms likely, some possibly severe. Low 62°. Wind south-southwest around 9 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly around a quarter of an inch. |
| Friday |
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Breezy. High 68°. UV index up to 6. Wind west around 13 mph, gusting to 30 mph. |
| Friday night |
Clear. Low 51°. Wind west-northwest around 7 mph, gusting to 28 mph, in the evening, becoming 2 mph after midnight. |
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