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: Friday, 26-Jul-2024 04:00 pm

Tonight Fog late	Saturday Chance rain	Saturday night Chance rain	Sunday Thunder storm	Sunday night Thunder storm	Monday Thunder storm	Monday night Thunder storm	Tuesday Fog a.m. Hot!
	<.25 in.	<.25 in.	.5 in.	.35 in.	.1 in.	.1 in.
Low: 71°	High: 83°	Low: 73°	High: 86°	Low: 72°	High: 89°	Low: 76°	High: 93°
					Heat: 99°		Heat: 107°
E 5-21 mph	ESE 5-22 mph	SSE 6-17 mph	S 6-24 mph	SSE 5 mph	SW 5-17→10-22 mph	SW 7-19 mph	SW 6-20 mph
	UV: 5 Medium		UV: 8 Very High		UV: 8 Very High		UV: 9 Very High

Tonight	Partly to mostly cloudy in the evening, becoming clear after midnight. Light to moderate fog after midnight. Low 71°. Wind east around 5 mph, gusting to 21 mph.
Saturday	Mostly cloudy in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. High 83°. UV index up to 5. Wind east-southeast around 5 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch.
Saturday night	Dense overcast in the evening, becoming cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 73°. Wind south-southeast around 6 mph, gusting to 17 mph. Chance of precipitation 60 percent. Precipitation mostly less than a quarter of an inch.
Sunday	Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning, then light to moderate fog in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. Scattered thunderstorms likely. High 86°. UV index up to 8. Wind south around 6 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly around half an inch.
Sunday night	Moderate to dense fog in the evening, then moderate fog after midnight. Rain likely in the evening, then a slight chance of rain after midnight. Scattered thunderstorms likely. Low 72°. Wind south-southeast around 5 mph. Chance of precipitation 70 percent. Precipitation mostly between a quarter and half an inch.
Monday	Mostly cloudy to cloudy in the morning, becoming mostly sunny in the afternoon. Moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. High 89°. Heat index up to 99°. UV index up to 8. Wind southwest around 5 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Monday night	Fair in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A chance of rain. Scattered thundershowers possible. Low 76°. Wind southwest around 7 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Tuesday	Partly to mostly sunny in the morning, becoming sunny in the afternoon. Moderate fog in the morning. Hot. High 93°. Heat index up to 107°. UV index up to 9. Wind southwest around 6 mph, gusting to 20 mph.
Tuesday night	Mostly clear in the evening, becoming partly cloudy after midnight. Moderate fog in the evening, then light to moderate fog after midnight. Low 76°. Wind south-southeast around 3 mph in the evening, becoming south-southwest around 7 mph after midnight.
Wednesday	Sunny. Light to moderate fog in the morning. Hot. High 94°. Heat index up to 108°. UV index up to 9. Wind south-southwest around 8 mph, gusting to 22 mph.
Wednesday night	Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain after midnight. Low 77°. Wind south-southwest around 7 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Thursday	Partly to mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Hot. High 92°. Heat index up to 105°. UV index up to 9. Wind west-southwest around 9 mph, gusting to 25 mph.
Thursday night	Clear in the evening, becoming mostly clear after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 74°. Wind west-northwest around 4 mph, gusting to 18 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.

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