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

Thunder storm
Thunder storm
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Fog late
Fog late
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Thunder storm
Thunder storm
Thursday
night
Thunder storm
Thunder storm
Friday

Thunder storm
Thunder storm
.25 in. <.1 in. <.25 in. .25 in. .35 in.
Low: 55° High: 58° Low: 38° High: 62° Low: 42° High: 59° Low: 50° High: 66°
               
S→WSW
9-28→5
mph
NW
8-26
mph
NNW
6-24
mph
NE
6-24
mph
E
4-18
mph
ESE
8-23
mph
SSE
8-19
mph
SSW→W
8-25
mph

 

Tonight
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. Rain likely. Thunderstorms very likely, some severe. Mild. Low 55°. Wind south around 9 mph, gusting to 28 mph, in the evening, becoming west-southwest around 5 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around a quarter of an inch.
Tuesday
 
Cloudy. A slight chance of rain. Scattered thunderstorms likely, some possibly severe. Mild. High 58°, but temperatures falling in the afternoon. Wind northwest around 8 mph, gusting to 26 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tuesday night
 
Partly cloudy. Patchy light fog after midnight. Low 38°. Wind north-northwest around 6 mph, gusting to 24 mph.
Wednesday
 
Partly cloudy in the morning, becoming sunny in the afternoon. Mild. High 62°. Wind northeast around 6 mph, gusting to 24 mph.
Wednesday night
 
Fair in the evening, becoming mostly cloudy to cloudy after midnight. Low 42°. Wind east around 4 mph, gusting to 18 mph.
Thursday
 
Dense overcast. A slight chance of rain in the morning, then a chance of rain in the afternoon. Scattered thundershowers possible. High 59°. Wind east-southeast around 8 mph, gusting to 23 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch.
Thursday night
 
Dense overcast. Patchy light fog in the evening. Rain likely in the evening, then a chance of rain after midnight. Scattered thunderstorms likely. Relatively mild. Low 50°, but temperatures rising after midnight. Wind south-southeast around 8 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly around a quarter of an inch.
Friday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. Rain very likely. Thunderstorms very likely, some possibly severe. Mild. High 66°. Wind south-southwest around 8 mph, gusting to 25 mph, in the morning, becoming west in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between a quarter and half an inch.
Friday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Scattered thunderstorms likely. Breezy. Low 35°. Wind north-northwest around 12 mph, gusting to 25 mph. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Saturday
 
Sunny. High 51°. Wind north-northwest around 10 mph, gusting to 27 mph.
Saturday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 33°. Wind west around 5 mph, gusting to 20 mph.
Sunday
 
Sunny. High 54°. UV index up to 4. Wind northwest around 6 mph, gusting to 26 mph, in the morning, becoming 9 mph, gusting to 26 mph, in the afternoon.
Sunday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Low 32°. Wind northwest around 2 mph, gusting to 19 mph, in the evening, becoming south after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.

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