OFallon Missouri Weather

OFallon - Weather Data from OFallon, MO

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

CDT UTC Last station update CDT

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

Updated: Wednesday, 02-Apr-2025 04:00 pm

Tonight Partly Cloudy	Thursday Chance rain	Thursday night Chance rain	Friday Rain likely	Friday night Rain likely	Saturday Rain likely	Saturday night Fog	Sunday Partly Cloudy
<.1 in.	<.25 in.	.1 in.	1.5 in.	2.5 in.	.75 in.	<.1 in.	<.1 in.
Low: 53°	High: 65°	Low: 49°	High: 52°	Low: 48°	High: 52°	Low: 46°	High: 51°

SSW→W 9-25→6-15 mph	NW→N 4-22 mph	NE 5-16 mph	NE 7-16 mph	N 7-16 mph	N 10-22 mph	N 10-26 mph	N 8-27 mph
							UV: 7 High

Tonight	Partly cloudy in the evening, becoming fair after midnight. A slight chance of rain. Low 53°. Wind south-southwest around 9 mph, gusting to 25 mph, in the evening, becoming west around 6 mph, gusting to 15 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Thursday	Mostly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the afternoon. A chance of rain in the afternoon. High 65°. Wind northwest around 4 mph, gusting to 22 mph, in the morning, becoming north in the afternoon. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Thursday night	Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 49°. Wind northeast around 5 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Friday	Cloudy in the morning, becoming dense overcast in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. High 52°. Wind northeast around 7 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly between 1 and 2 inches.
Friday night	Dense overcast. Light to moderate fog in the evening, then patchy light fog after midnight. Rain likely. Low 48°. Wind north around 7 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly between 2 and 3 inches.
Saturday	Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 52°. Wind north around 10 mph, gusting to 22 mph. Chance of precipitation 80 percent. Precipitation mostly between half an inch and one inch.
Saturday night	Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A slight chance of rain. Low 46°. Wind north around 10 mph, gusting to 26 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday	Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 51°. UV index up to 7. Wind north around 8 mph, gusting to 27 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday night	Clear in the evening, becoming fair after midnight. Low 40°. Wind northwest around 4 mph, gusting to 17 mph, in the evening, becoming west after midnight.
Monday	Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 56°. UV index up to 7. Wind west-northwest around 11 mph, gusting to 30 mph.
Monday night	Clear. Cold. Low 34°. Wind north-northwest around 6 mph, gusting to 25 mph.
Tuesday	Sunny in the morning, becoming mostly sunny in the afternoon. Cold. High 46°. UV index up to 8. Wind north around 6 mph, gusting to 26 mph.
Tuesday night	Cloudy. A slight chance of rain. Cold. Low 37°. Wind east around 6 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.

WXSIM forecast formatting script by Saratoga-Weather.org.

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