| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Wednesday, 01-May-2024 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Thunderstorms very likely, some severe. Low 62°. Wind east-northeast around 5 mph, gusting to 23 mph, in the evening, becoming east-southeast after midnight. Chance of precipitation 50 percent. Precipitation mostly less than a tenth of an inch. |
| Thursday |
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Warm. High 84°. UV index up to 6. Wind south around 9 mph, gusting to 28 mph. |
| Thursday night |
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Thunderstorms very likely, some severe. Low 63°. Wind southwest around 7 mph, gusting to 22 mph, in the evening, becoming west-northwest around 3 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly less than a tenth of an inch. |
| Friday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 77°. Wind north around 4 mph, gusting to 23 mph. |
| Friday night |
Partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 59°. Wind north-northeast around 4 mph, gusting to 21 mph, in the evening, becoming east after midnight. |
| Saturday |
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Thunderstorms very likely, some severe. Warm. High 80°. UV index up to 5. Wind south-southeast around 7 mph, gusting to 25 mph, in the morning, becoming southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around a tenth of an inch. |
| Saturday night |
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. A chance of rain. Thunderstorms very likely, some possibly severe. Low 54°. Wind northwest around 7 mph, gusting to 22 mph. Chance of precipitation 50 percent. Precipitation mostly less than a tenth of an inch. |
| Sunday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. High 72°. UV index up to 4. Wind north around 5 mph, gusting to 22 mph, in the morning, becoming east-northeast in the afternoon. |
| Sunday night |
Dense overcast. Rain likely. Scattered thunderstorms likely. Low 57°. Wind east-southeast around 5 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly less than a quarter of an inch. |
| Monday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Rain likely. Scattered thunderstorms likely. Warm. High 81°. UV index up to 5. Wind south-southeast around 8 mph, gusting to 26 mph. Chance of precipitation 70 percent. Precipitation mostly less than a quarter of an inch. |
| Monday night |
Mostly cloudy in the evening, becoming cloudy after midnight. Light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Thunderstorms very likely, some possibly severe. Low 65°. Wind south around 9 mph, gusting to 23 mph. Chance of precipitation 90 percent. Precipitation mostly around half an inch. |
| Tuesday |
Partly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Unusually hot. High 85°. UV index up to 8. Wind southwest around 8 mph, gusting to 27 mph, in the morning, becoming 12 mph, gusting to 29 mph, in the afternoon. |
| Tuesday night |
Mostly clear in the evening, becoming fair after midnight. Patchy light fog after midnight. Warm. Low 66°. Wind southwest around 13 mph, gusting to 29 mph, in the evening, becoming 8 mph, gusting to 16 mph, after midnight. |
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