OFallon Missouri Weather

OFallon - Weather Data from OFallon, MO

Latitude: N 38° 50' 20" Longitude: W 90° 43' 42" Altitude: 532 ft

CST UTC Last station update CST

WXSIM Forecast for: O'Fallon
Issued by: OFallonweather.com

Updated: Sunday, 12-Jan-2025 04:00 pm

Tonight Partly Cloudy	Monday Mostly Sunny	Monday night Partly Cloudy	Tuesday Mostly Cloudy	Tuesday night Partly Cloudy	Wednesday Mostly Sunny	Wednesday night Partly Cloudy	Thursday 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.

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