| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Saturday, 04-May-2024 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Scattered thunderstorms likely. Low 55°. Wind northwest around 9 mph, gusting to 26 mph, in the evening, becoming 6 mph, gusting to 18 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch. |
| Sunday |
Mostly cloudy. High 75°. UV index up to 6. Wind north around 5 mph, gusting to 24 mph. |
| Sunday night |
Cloudy in the evening, becoming dense overcast after midnight. Low 58°. Wind northeast around 4 mph, gusting to 20 mph, in the evening, becoming east after midnight. |
| Monday |
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. High 76°. UV index up to 5. Wind east-southeast around 6 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch. |
| Monday night |
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. Light to moderate fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Thunderstorms very likely, some possibly severe. Low 61°. Wind southeast around 8 mph, gusting to 22 mph. Chance of precipitation near 100 percent. Precipitation mostly between half an inch and one inch. |
| Tuesday |
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Light to moderate fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Thunderstorms very likely, some possibly severe. Breezy and unusually hot. High 87°. UV index up to 8. Wind south-southwest around 13 mph, gusting to 30 mph. Chance of precipitation 70 percent. Precipitation mostly less than a quarter of an inch. |
| Tuesday night |
Clear. Low 59°. Wind west around 8 mph, gusting to 27 mph, in the evening, becoming south around 4 mph after midnight. |
| Wednesday |
Sunny in the morning, becoming partly cloudy in the afternoon. Rain likely in the afternoon. Thunderstorms very likely, some severe. Hot. High 86°. UV index up to 8. Wind south-southeast around 7 mph, gusting to 25 mph, in the morning, becoming south-southwest around 11 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between a quarter and half an inch. |
| Wednesday night |
Fair in the evening, becoming clear after midnight. A chance of rain in the evening. Thunderstorms very likely, some possibly severe. Low 57°. Wind west around 11 mph, gusting to 23 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch. |
| Thursday |
Sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 71°. UV index up to 6. Wind west around 13 mph, gusting to 32 mph, in the morning, becoming 17 mph, gusting to 33 mph, in the afternoon. |
| Thursday night |
Mostly clear in the evening, becoming mostly cloudy to cloudy after midnight. Low 55°. Wind west around 11 mph, gusting to 30 mph, in the evening, becoming 7 mph, gusting to 21 mph, after midnight. |
| Friday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thunderstorms likely. Breezy and cool. High 61°. Wind northwest around 9 mph, gusting to 27 mph, in the morning, becoming 13 mph, gusting to 30 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Friday night |
Fair in the evening, becoming clear after midnight. Cool. Low 48°. Wind northwest around 7 mph, gusting to 27 mph. |
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