| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Saturday, 01-Mar-2025 05:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. High 46°. UV index up to 4. Wind north-northwest around 10 mph, gusting to 29 mph. |
| Tonight |
Fair to partly cloudy in the evening, becoming fair after midnight. Low 24°. Wind north-northwest around 2 mph, gusting to 23 mph, in the evening, becoming northeast after midnight. |
| Sunday |
Partly to mostly sunny in the morning, becoming sunny in the afternoon. High 51°. UV index up to 4. Wind east-southeast around 3 mph, gusting to 23 mph. |
| Sunday night |
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 33°. Wind southeast around 5 mph, gusting to 19 mph. |
| Monday |
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 63°. UV index up to 5. Wind south-southeast around 7 mph, gusting to 19 mph, in the morning, becoming 10 mph, gusting to 27 mph, in the afternoon. |
| Monday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 45°. Wind south-southeast around 11 mph, gusting to 25 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch. |
| Tuesday |
Cloudy. Patchy light fog in the afternoon. Rain likely. Precipitation showery or intermittent. Breezy. High 54°. Wind south-southeast around 11 mph, gusting to 20 mph. Chance of precipitation 80 percent. Precipitation mostly around an inch. |
| Tuesday night |
Partly to mostly cloudy. Light to moderate fog. Rain likely in the evening, then a slight chance of rain after midnight. Low 45°. Wind southeast around 11 mph, gusting to 22 mph, in the evening, becoming south-southwest after midnight. Chance of precipitation 70 percent. Precipitation mostly between a quarter and half an inch. |
| Wednesday |
Cloudy. A slight chance of rain. Windy. High 46°, but temperatures falling in the afternoon. Wind west around 15 mph, gusting to 34 mph, in the morning, becoming 20 mph, gusting to 35 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch. |
| Wednesday night |
Fair to partly cloudy in the evening, becoming clear after midnight. Breezy. Low 31°. Wind chill ranging from 23 to 31. Wind west-northwest around 15 mph, gusting to 32 mph, in the evening, becoming 12 mph, gusting to 27 mph, after midnight. |
| Thursday |
Sunny in the morning, becoming partly cloudy in the afternoon. High 48°. UV index up to 4. Wind west-northwest around 8 mph, gusting to 26 mph. |
| Thursday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A chance of rain. Low 35°. Wind east-southeast around 4 mph, gusting to 18 mph, in the evening, becoming 7 mph, gusting to 15 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Friday |
Cloudy. A slight chance of rain. High 42°. Wind north-northeast around 5 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch. |
| Friday night |
Partly cloudy in the evening, becoming clear after midnight. Low 30°. Wind north-northeast around 7 mph, gusting to 25 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
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