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: Saturday, 22-Feb-2025 05:00 am

Today Mostly Sunny	Tonight Fair	Sunday Mostly Sunny	Sunday night Partly Cloudy	Monday Partly Cloudy	Monday night Partly Cloudy	Tuesday Mostly Sunny	Tuesday night Partly Cloudy

High: 41°	Low: 21°	High: 55°	Low: 28°	High: 64°	Low: 32°	High: 62°	Low: 37°

SSW 4-21→7-25 mph	SSW 4-20 mph	SSW 5-22 mph	SW 5-18 mph	SW 8-24 mph	WSW 6-19 mph	WNW 6-24 mph	S 2→5 mph

Today	Mostly sunny. High 41°. Wind south-southwest around 4 mph, gusting to 21 mph, in the morning, becoming 7 mph, gusting to 25 mph, in the afternoon.
Tonight	Fair. Low 21°. Wind south-southwest around 4 mph, gusting to 20 mph.
Sunday	Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Relatively mild. High 55°. Wind south-southwest around 5 mph, gusting to 22 mph.
Sunday night	Fair in the evening, becoming partly cloudy after midnight. Low 28°. Wind southwest around 5 mph, gusting to 18 mph.
Monday	Partly cloudy. Mild. High 64°. Wind southwest around 8 mph, gusting to 24 mph.
Monday night	Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 32°. Wind west-southwest around 6 mph, gusting to 19 mph.
Tuesday	Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 62°. Wind west-northwest around 6 mph, gusting to 24 mph.
Tuesday night	Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 37°. Wind south around 2 mph in the evening, becoming 5 mph after midnight.
Wednesday	Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Relatively mild. High 58°. Wind southwest around 7 mph, gusting to 22 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Wednesday night	Clear in the evening, becoming mostly clear after midnight. Moderate fog after midnight. Low 33°. Wind west-northwest around 7 mph, gusting to 19 mph.
Thursday	Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Moderate fog in the morning. A chance of rain in the afternoon. High 50°. Wind west-northwest around 7 mph, gusting to 25 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Thursday night	Mostly clear in the evening, becoming clear after midnight. Moderate fog. A chance of rain. Low 30°. Wind northwest around 5 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Friday	Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Relatively mild. High 58°. Wind south around 4 mph, gusting to 21 mph, in the morning, becoming 11 mph, gusting to 27 mph, in the afternoon.
Friday night	Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Breezy. Low 40°. Wind south around 11 mph, gusting to 23 mph, in the evening, becoming west-southwest after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.

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