WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Sunday, 12-Jan-2025 04:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Monday

Mostly Sunny
Mostly Sunny
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Low: 18° High: 32° Low: 18° High: 33° Low: 14° High: 38° Low: 21° High: 50°
WCh: 12° WCh: 10°         WCh: 12°  
WNW
7-23
mph
WNW
6-25
mph
WSW
4-16
mph
NW
5-24
mph
NW→SSE
1-17
mph
SSE
2-16
mph
SW
4→8
mph
WSW
7-20
mph

 

Tonight
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 18°. Wind chill ranging from 12 to 29. Wind west-northwest around 7 mph, gusting to 23 mph.
Monday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. High 32°. Wind chill ranging from 10 to 25. Wind west-northwest around 6 mph, gusting to 25 mph.
Monday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 18°. Wind west-southwest around 4 mph, gusting to 16 mph.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 33°. Wind northwest around 5 mph, gusting to 24 mph.
Tuesday night
 
Fair to partly cloudy. Low 14°. Wind northwest around 1 mph, gusting to 17 mph, in the evening, becoming south-southeast after midnight.
Wednesday
 
Partly to mostly sunny. High 38°. Wind south-southeast around 2 mph, gusting to 16 mph.
Wednesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 21°. Wind chill ranging from 12 to 34. Wind southwest around 4 mph in the evening, becoming 8 mph after midnight.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Relatively mild. High 50°. Wind west-southwest around 7 mph, gusting to 20 mph.
Thursday night
 
Fair to partly cloudy. Low 27°. Wind west around 4 mph in the evening, becoming south-southwest after midnight.
Friday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Relatively mild. High 54°. Wind south-southwest around 7 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Friday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of a mix of rain, sleet, and snow after midnight. Low 31°. Wind west-southwest around 5 mph in the evening, becoming northwest after midnight. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Little or no snow or ice (on ground) accumulation expected.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. A mix of sleet, freezing rain, rain, and snow likely in the morning, then a mix of freezing rain, sleet, and snow likely in the afternoon. High 33°. Wind north around 5 mph in the morning, becoming 11 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation (liquid equivalent) mostly between half an inch and one inch. Snow or ice (on ground) accumulation about an inch. Above-ground freezing rain accumulation up to 0.3 inches.
Saturday night
 
Dense overcast. Snow likely. Breezy. Low 22°. Wind chill ranging from 11 to 19. Wind north around 15 mph, gusting to 29 mph. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly less than a quarter of an inch. Snow accumulation about an inch.

WXSIM forecast formatting script by Saratoga-Weather.org.

Powered by Davis Vantage Pro2  and   CumulusMX   v 4.3.3 (b4070)   MXUI Template v 2.2.6 by  Silver Acorn     Valid HTML5 USA Weather Finder Badge