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: Monday, 20-Jan-2025 04:00 pm

Tonight Mostly Cloudy Cold!	Tuesday Sunny Cold!	Tuesday night Mostly Cloudy Cold!	Wednesday Mostly Cloudy Cold!	Wednesday night Snow	Thursday Snow	Thursday night Partly Cloudy	Friday Partly Cloudy
				<.1 in. .25 in.	<.1 in.
Low: 1°	High: 14°	Low: 5°	High: 30°	Low: 18°	High: 31°	Low: 11°	High: 34°
WCh: -8°	WCh: -11°	WCh: -6°	WCh: -4°	WCh: 12°	WCh: 11°
W 6-22 mph	NW 7-25 mph	SSW 3-16→7-17 mph	SSW 9-21 mph	WSW 5 mph	WNW 6-22 mph	NNW 2-21 mph	WNW→WSW 2-22 mph

Tonight	Mostly cloudy in the evening, becoming mostly clear after midnight. Very cold. Low 1°. Wind chill ranging from -8 to 6. Wind west around 6 mph, gusting to 22 mph.
Tuesday	Sunny. Cold. High 14°. Wind chill ranging from -11 to 6. Wind northwest around 7 mph, gusting to 25 mph.
Tuesday night	Clear in the evening, becoming partly to mostly cloudy after midnight. Cold. Low 5°. Wind chill ranging from -6 to 9. Wind south-southwest around 3 mph, gusting to 16 mph, in the evening, becoming 7 mph, gusting to 17 mph, after midnight.
Wednesday	Mostly cloudy to cloudy. High 30°. Wind chill ranging from -4 to 23. Wind south-southwest around 9 mph, gusting to 21 mph.
Wednesday night	Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of snow. Low 18°. Wind chill ranging from 12 to 23. Wind west-southwest around 5 mph. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about a quarter inch.
Thursday	Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of snow. High 31°. Wind chill ranging from 11 to 24. Wind west-northwest around 6 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. No snow accumulation expected.
Thursday night	Partly cloudy in the evening, becoming clear after midnight. Low 11°. Wind north-northwest around 2 mph, gusting to 21 mph.
Friday	Sunny in the morning, becoming partly cloudy in the afternoon. High 34°. Wind west-northwest around 2 mph, gusting to 22 mph, in the morning, becoming west-southwest in the afternoon.
Friday night	Mostly clear in the evening, becoming partly cloudy after midnight. Low 21°. Wind chill ranging from 14 to 28. Wind south-southeast around 5 mph.
Saturday	Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Relatively mild. High 49°. Wind southwest around 6 mph, gusting to 25 mph.
Saturday night	Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 26°. Wind northwest around 3 mph, gusting to 19 mph.
Sunday	Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 39°. Wind north around 6 mph, gusting to 24 mph.
Sunday night	Mostly cloudy to cloudy. A chance of snow after midnight. Low 25°. Wind north around 5 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about a quarter inch.

WXSIM forecast formatting script by Saratoga-Weather.org.

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