Current Weather
2:44 AM
79°F
Cloudy
RealFeel® 84°
Very Warm
RealFeel®
84°
Heat Index
80°
Wind
SSE 3 mph
Wind Gusts
8 mph
Humidity
76%
Indoor Humidity
76% (Very Humid)
Dew Point
71° F
Pressure
↔ 29.77 in
Cloud Cover
99%
Visibility
12 mi
Cloud Ceiling
18100 ft
Day
6/11
94°Hi
RealFeel®
102°
Very Hot
RealFeel Shade™
96°
Hot
Clouds and sun, hot, humid; breezy in the a.m., then a strong t-storm; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado
Max UV Index11.0 (Extreme)
AccuLumen Brightness Index™7 (Bright)
WindSSW 13 mph
Wind Gusts35 mph
Probability of Precipitation55%
Probability of Thunderstorms52%
Precipitation0.10 in
Rain0.10 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover52%
Night
6/11
62°Lo
RealFeel®
62°
Cool
A heavy thunderstorm this evening; otherwise, mostly cloudy and humid; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado
WindWNW 7 mph
Wind Gusts18 mph
Probability of Precipitation58%
Probability of Thunderstorms35%
Precipitation0.24 in
Rain0.24 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover83%
Sun & Moon
14 hrs 51 mins
Rise
5:37 AM
Set
8:28 PM
Waning Crescent
Rise
2:32 AM
Set
4:47 PM
Temperature History
6/11High
Low
Forecast
94°
62°
Average
84°
62°
Last Year
86°
57°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Cloudy with a temperature of 79°. The current RealFeel® Temperature is 84° (Very Warm) based on observed conditions including 76% humidity, 99% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 84°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for O'Fallon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
