WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
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Updated: Friday, 26-Jul-2024 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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Tonight |
Partly to mostly cloudy in the evening, becoming clear after midnight. Light to moderate fog after midnight. Low 71°. Wind east around 5 mph, gusting to 21 mph. |
Saturday |
Mostly cloudy in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 83°. UV index up to 5. Wind east-southeast around 5 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch. |
Saturday night |
Dense overcast in the evening, becoming cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 73°. Wind south-southeast around 6 mph, gusting to 17 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch. |
Sunday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning, then light to moderate fog in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. Scattered thunderstorms likely. High 86°. UV index up to 8. Wind south around 6 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch. |
Sunday night |
Moderate to dense fog in the evening, then moderate fog after midnight. Rain likely in the evening, then a slight chance of rain after midnight. Scattered thunderstorms likely. Low 72°. Wind south-southeast around 5 mph. Chance of precipitation 70 percent. Precipitation mostly between a quarter and half an inch. |
Monday |
Mostly cloudy to cloudy in the morning, becoming mostly sunny in the afternoon. Moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. High 89°. Heat index up to 99°. UV index up to 8. Wind southwest around 5 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch. |
Monday night |
Fair in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A chance of rain. Scattered thundershowers possible. Low 76°. Wind southwest around 7 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch. |
Tuesday |
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Moderate fog in the morning. Hot. High 93°. Heat index up to 107°. UV index up to 9. Wind southwest around 6 mph, gusting to 20 mph. |
Tuesday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Moderate fog in the evening, then light to moderate fog after midnight. Low 76°. Wind south-southeast around 3 mph in the evening, becoming south-southwest around 7 mph after midnight. |
Wednesday |
Sunny. Light to moderate fog in the morning. Hot. High 94°. Heat index up to 108°. UV index up to 9. Wind south-southwest around 8 mph, gusting to 22 mph. |
Wednesday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain after midnight. Low 77°. Wind south-southwest around 7 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch. |
Thursday |
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Hot. High 92°. Heat index up to 105°. UV index up to 9. Wind west-southwest around 9 mph, gusting to 25 mph. |
Thursday night |
Clear in the evening, becoming mostly clear after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 74°. Wind west-northwest around 4 mph, gusting to 18 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.