WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com
Updated: Thursday, 06-Feb-2025 04:00 pm
 
Tonight

Fair
Fair
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Rain Sleet
Rain Sleet
Saturday

Chance rain
Chance rain
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
<.1 in. .1 in.
Low: 24° High: 47° Low: 32° High: 43° Low: 25° High: 40° Low: 22° High: 40°
               
NNW
3
mph
ENE
5-21
mph
ESE
6-16
mph
ESE→NNW
7-20
mph
NNW
8-20
mph
N
6-23
mph
NNE
4-20
mph
NNE→ENE
5-19
mph

 

Tonight
 
Fair. Low 24°. Wind north-northwest around 3 mph.
Friday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 47°. Wind east-northeast around 5 mph, gusting to 21 mph.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of a mix of rain and sleet. Low 32°. Wind east-southeast around 6 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No ice (on ground) accumulation expected.
Saturday
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 43°. Wind east-southeast around 7 mph, gusting to 20 mph, in the morning, becoming north-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Saturday night
 
Partly cloudy in the evening, becoming fair after midnight. Low 25°. Wind north-northwest around 8 mph, gusting to 20 mph.
Sunday
 
Partly cloudy. High 40°. Wind north around 6 mph, gusting to 23 mph.
Sunday night
 
Partly cloudy. Low 22°. Wind north-northeast around 4 mph, gusting to 20 mph.
Monday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. High 40°. Wind north-northeast around 5 mph, gusting to 19 mph, in the morning, becoming east-northeast in the afternoon.
Monday night
 
Cloudy. A slight chance of a mix of sleet and snow in the evening, then a slight chance of sleet after midnight. Low 28°. Wind east-northeast around 4 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow or ice (on ground) accumulation expected.
Tuesday
 
Cloudy. A slight chance of sleet in the morning, then a slight chance of a mix of sleet and snow in the afternoon. High 34°. Wind chill around 24. Wind northeast around 7 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Little or no snow or ice (on ground) accumulation expected.
Tuesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of snow in the evening, then a slight chance of snow after midnight. Low 20°. Wind chill ranging from 13 to 23. Wind north-northeast around 6 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about half an inch.
Wednesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of snow in the morning, then a chance of a mix of sleet and snow in the afternoon. High 27°. Wind chill ranging from 12 to 20. Wind east-northeast around 5 mph. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly less than a quarter of an inch. Snow or ice (on ground) accumulation about half an inch.
Wednesday night
 
Dense overcast. A chance of a mix of sleet and snow in the evening, then a slight chance of snow after midnight. Low 22°. Wind chill as low as 15. Wind north-northeast around 5 mph. Chance of precipitation 50 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Little or no snow or ice (on ground) accumulation expected.

WXSIM forecast formatting script by Saratoga-Weather.org.

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