WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Wednesday, 17-Jul-2024 05:00 pm
 
Tonight

Fog late
Fog late
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
Low: 71° High: 82° Low: 71° High: 81° Low: 71° High: 82° Low: 73° High: 85°
              Heat: 92°
NNE
6-46
mph
NNE
6-26
mph
NE
5-24
mph
ENE
4-23
mph
ENE
4-22
mph
ESE→NE
3-21
mph
E
4-21
mph
ESE
4-22
mph
UV: 8
 Very High 
UV: 8
 Very High 
UV: 4
 Medium 
UV: 7
 High 

 

Tonight
 
Fair. Light to moderate fog after midnight. Low 71°. Wind north-northeast around 6 mph, gusting to 46 mph.
Thursday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Light to moderate fog in the morning. High 82°. UV index up to 8. Wind north-northeast around 6 mph, gusting to 26 mph.
Thursday night
 
Mostly clear in the evening, becoming clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 71°. Wind northeast around 5 mph, gusting to 24 mph.
Friday
 
Sunny. Patchy light fog in the morning. High 81°. UV index up to 8. Wind east-northeast around 4 mph, gusting to 23 mph.
Friday night
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 71°. Wind east-northeast around 4 mph, gusting to 22 mph.
Saturday
 
Mostly cloudy to cloudy. Light to moderate fog in the morning. High 82°. UV index up to 4. Wind east-southeast around 3 mph, gusting to 21 mph, in the morning, becoming northeast in the afternoon.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. Low 73°. Wind east around 4 mph, gusting to 21 mph.
Sunday
 
Mostly cloudy. Patchy light fog in the morning. High 85°. Heat index up to 92°. UV index up to 7. Wind east-southeast around 4 mph, gusting to 22 mph.
Sunday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 74°. Wind east-southeast around 4 mph, gusting to 22 mph.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 85°. Heat index up to 94°. UV index up to 7. Wind east around 3 mph, gusting to 20 mph.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Thunderstorms very likely, some severe. Low 76°. Wind east around 4 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly around a quarter of an inch.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning, then moderate fog in the afternoon. Rain. Thunderstorms very likely, some severe. High 80°. Wind east around 4 mph, gusting to 19 mph. Chance of precipitation 90 percent. Precipitation mostly around an inch.
Tuesday night
 
Dense overcast. Light to moderate fog. A chance of rain in the evening, then rain likely after midnight. Thunderstorms very likely, some severe. Low 75°. Wind east-southeast around 4 mph, gusting to 18 mph, in the evening, becoming south after midnight. Chance of precipitation 90 percent. Precipitation mostly around half an inch.

WXSIM forecast formatting script by Saratoga-Weather.org.

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