WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Monday, 27-Mar-2023 05:00 am
 
Today

Mostly Cloudy
Mostly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Clear
Clear
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Chance rain
Chance rain
<.1 in.
High: 49° Low: 35° High: 51° Low: 31° High: 59° Low: 38° High: 62° Low: 53°
               
NW
7-24
mph
NNE
3-22
mph
N
4-22→8-24
mph
ESE→SSW
4-17
mph
SSW
6-24
mph
ESE
3-18
mph
SSE
9-27→13-28
mph
SSE
12-24
mph
UV: 5
 Medium 
UV: 4
 Medium 

 

Today
 
Mostly cloudy to cloudy. High 49°. Wind northwest around 7 mph, gusting to 24 mph.
Tonight
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 35°. Wind north-northeast around 3 mph, gusting to 22 mph.
Tuesday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 51°. Wind north around 4 mph, gusting to 22 mph, in the morning, becoming 8 mph, gusting to 24 mph, in the afternoon.
Tuesday night
 
Fair in the evening, becoming clear after midnight. Cold. Low 31°. Wind east-southeast around 4 mph, gusting to 17 mph, in the evening, becoming south-southwest after midnight.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 59°. UV index up to 5. Wind south-southwest around 6 mph, gusting to 24 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 38°. Wind east-southeast around 3 mph, gusting to 18 mph.
Thursday
 
Partly to mostly sunny in the morning, becoming mostly cloudy to cloudy in the afternoon. High 62°. UV index up to 4. Wind south-southeast around 9 mph, gusting to 27 mph, in the morning, becoming 13 mph, gusting to 28 mph, in the afternoon.
Thursday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain after midnight. Precipitation showery or intermittent. Breezy. Low 53°. Wind south-southeast around 12 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Friday
 
Dense overcast. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Thunderstorms very likely, some severe. Breezy. High 65°. Wind south-southeast around 13 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Friday night
 
Partly to mostly cloudy in the evening, becoming clear after midnight. A chance of rain. Thunderstorms very likely, some severe. Windy. Low 45°. Wind south-southwest around 17 mph, gusting to 31 mph. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Saturday
 
Partly to mostly sunny in the morning, becoming mostly cloudy to cloudy in the afternoon. Windy. High 48°. Wind west-southwest around 20 mph, gusting to 36 mph.
Saturday night
 
Partly cloudy in the evening, becoming clear after midnight. Cold. Low 32°. Wind northwest around 14 mph, gusting to 33 mph, in the evening, becoming 6 mph, gusting to 21 mph, after midnight.
Sunday
 
Sunny in the morning, becoming partly cloudy in the afternoon. High 59°. UV index up to 6. Wind south around 2 mph, gusting to 21 mph, in the morning, becoming 6 mph, gusting to 24 mph, in the afternoon.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 43°. Wind southeast around 8 mph, gusting to 22 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.

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