WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Monday, 27-Mar-2023 04:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Fair
Fair
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Fair
Fair
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Chance rain
Chance rain
Friday

Thunder storm
Thunder storm
<.1 in. .1 in. .1 in.
Low: 37° High: 48° Low: 31° High: 57° Low: 33° High: 65° Low: 53° High: 67°
               
N→NE
3-22
mph
NE→NNW
4-22
mph
NE→SSW
3-20
mph
SW→NNW
6-27
mph
ENE
6-19
mph
SE
8-24→13-29
mph
SSE
14-26
mph
SSW
15-28
mph
UV: 5
 Medium 
UV: 6
 High 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 37°. Wind north around 3 mph, gusting to 22 mph, in the evening, becoming northeast after midnight.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 48°. Wind northeast around 4 mph, gusting to 22 mph, in the morning, becoming north-northwest in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tuesday night
 
Fair. Cold. Low 31°. Wind northeast around 3 mph, gusting to 20 mph, in the evening, becoming south-southwest after midnight.
Wednesday
 
Partly to mostly sunny. High 57°. UV index up to 5. Wind southwest around 6 mph, gusting to 27 mph, in the morning, becoming north-northwest in the afternoon.
Wednesday night
 
Fair. Cold. Low 33°. Wind east-northeast around 6 mph, gusting to 19 mph.
Thursday
 
Partly cloudy. High 65°. UV index up to 6. Wind southeast around 8 mph, gusting to 24 mph, in the morning, becoming 13 mph, gusting to 29 mph, in the afternoon.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Breezy. Low 53°. Wind south-southeast around 14 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Friday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. Scattered thundershowers possible. Breezy. High 67°. Wind south-southwest around 15 mph, gusting to 28 mph. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Friday night
 
Fair in the evening, becoming mostly clear after midnight. Windy. Low 42°. Wind south-southwest around 16 mph, gusting to 30 mph, in the evening, becoming west-southwest after midnight.
Saturday
 
Mostly cloudy. Windy and cold. High 48°. Wind chill ranging from 31 to 40. UV index up to 4. Wind west around 19 mph, gusting to 36 mph.
Saturday night
 
Clear. Cold. Low 32°. Wind west-northwest around 8 mph, gusting to 29 mph, in the evening, becoming 2 mph after midnight.
Sunday
 
Sunny in the morning, becoming mostly sunny in the afternoon. High 62°. UV index up to 6. Wind southeast around 5 mph, gusting to 23 mph, in the morning, becoming 9 mph, gusting to 26 mph, in the afternoon.
Sunday night
 
Clear. Low 41°. Wind southeast around 9 mph, gusting to 23 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.

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