| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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| Updated: Wednesday, 18-Sep-2024 05:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny in the morning, becoming partly cloudy in the afternoon. Hot. High 85°. UV index up to 5. Wind south-southeast around 2 mph, gusting to 17 mph, in the morning, becoming 5 mph, gusting to 21 mph, in the afternoon. |
| Tonight |
Mostly clear in the evening, becoming clear after midnight. Low 56°. Wind south-southeast around 4 mph in the evening, becoming south-southwest after midnight. |
| Thursday |
Sunny. Unusually hot. High 89°. UV index up to 6. Wind south-southwest around 4 mph, gusting to 20 mph, in the morning, becoming 7 mph, gusting to 24 mph, in the afternoon. |
| Thursday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Low 64°. Wind south-southwest around 5 mph. |
| Friday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Very hot. High 94°. UV index up to 7. Wind south-southwest around 7 mph, gusting to 26 mph. |
| Friday night |
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Warm. Low 68°. Wind south-southwest around 6 mph, gusting to 17 mph, in the evening, becoming southeast around 3 mph after midnight. |
| Saturday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. Hot. High 86°. Wind south-southwest around 7 mph, gusting to 22 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch. |
| Saturday night |
Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Precipitation showery or intermittent. Warm. Low 70°. Wind west-northwest around 2 mph in the evening, becoming north after midnight. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch. |
| Sunday |
Cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning, then moderate fog in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 79°. UV index up to 5. Wind east-southeast around 2 mph in the morning, becoming 6 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around half an inch. |
| Sunday night |
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Warm. Low 71°. Wind east-southeast around 8 mph, gusting to 19 mph, in the evening, becoming 3 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch. |
| Monday |
Cloudy. Warm. High 83°. Wind south around 4 mph, gusting to 17 mph, in the morning, becoming 7 mph, gusting to 20 mph, in the afternoon. |
| Monday night |
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Scattered thundershowers possible. Warm. Low 69°. Wind south-southwest around 6 mph. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch. |
| Tuesday |
Mostly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Warm. High 83°. UV index up to 6. Wind west-southwest around 8 mph, gusting to 27 mph. |
| Tuesday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 65°. Wind northwest around 4 mph, gusting to 22 mph. |
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