WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Thursday, 29-Feb-2024 04:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Rain and Snow
Rain and Snow
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Sunny
Sunny
Saturday
night
Clear
Clear
Sunday

Mostly Sunny
Mostly Sunny
Sunday
night
Mostly Clear
Mostly Clear
Monday

Partly Cloudy
Partly Cloudy
<.1 in.
Low: 36° High: 50° Low: 32° High: 69° Low: 45° High: 78° Low: 49° High: 79°
               
S
7-25
mph
S
6-23
mph
S
5-21
mph
SSE
6-23→11-28
mph
SSE
10-24
mph
SSE
12-30→15-33
mph
S
9-26
mph
S
11-29→15-31
mph
UV: 4
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 36°. Wind south around 7 mph, gusting to 25 mph.
Friday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of a mix of rain and snow in the morning. High 50°. Wind south around 6 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Friday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 32°. Wind south around 5 mph, gusting to 21 mph.
Saturday
 
Sunny. Unusually warm. High 69°. UV index up to 4. Wind south-southeast around 6 mph, gusting to 23 mph, in the morning, becoming 11 mph, gusting to 28 mph, in the afternoon.
Saturday night
 
Clear. Low 45°. Wind south-southeast around 10 mph, gusting to 24 mph.
Sunday
 
Sunny in the morning, becoming mostly sunny in the afternoon. Breezy and exceptionally hot. High 78°. Wind south-southeast around 12 mph, gusting to 30 mph, in the morning, becoming 15 mph, gusting to 33 mph, in the afternoon.
Sunday night
 
Mostly clear. Relatively mild. Low 49°. Wind south around 9 mph, gusting to 26 mph.
Monday
 
Partly cloudy. Breezy and exceptionally hot. High 79°. Wind south around 11 mph, gusting to 29 mph, in the morning, becoming 15 mph, gusting to 31 mph, in the afternoon.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then rain likely after midnight. Scattered thunderstorms likely. Breezy and relatively mild. Low 57°. Wind south around 13 mph, gusting to 27 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Tuesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Scattered thunderstorms likely, some possibly severe. Breezy and mild. High 68°. Wind south-southeast around 14 mph, gusting to 29 mph, in the morning, becoming west-southwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Tuesday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 29°. Wind west-northwest around 11 mph, gusting to 28 mph.
Wednesday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 49°. Wind north-northeast around 7 mph, gusting to 24 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 31°. Wind north-northeast around 5 mph, gusting to 21 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.

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