Current Weather
1:54 PM
82°F
Cloudy
RealFeel® 91°
Hot
RealFeel Shade™ 85°
Very Warm
RealFeel®
91°
RealFeel Shade™
85°
Heat Index
85°
Max UV Index
3.6 (Moderate)
Wind
ENE 2 mph
Wind Gusts
4 mph
Humidity
69%
Indoor Humidity
69% (Very Humid)
Dew Point
71° F
Pressure
↔ 29.94 in
Cloud Cover
91%
Visibility
16 mi
Cloud Ceiling
13600 ft
Day
5/30
83°Hi
RealFeel®
94°
Hot
RealFeel Shade™
85°
Very Warm
Humid with times of clouds and sun; a shower in spots late this morning followed by a thunderstorm in spots this afternoon
Max UV Index7.0 (High)
AccuLumen Brightness Index™5 (Medium)
WindE 7 mph
Wind Gusts14 mph
Probability of Precipitation55%
Probability of Thunderstorms34%
Precipitation0.02 in
Rain0.02 in
Hours of Precipitation1.5
Hours of Rain1.5
Cloud Cover56%
Night
5/30
66°Lo
RealFeel®
64°
Pleasant
A thunderstorm in spots this evening; otherwise, partly cloudy
WindESE 7 mph
Wind Gusts10 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.04 in
Rain0.04 in
Hours of Precipitation0.5
Hours of Rain0.5
Cloud Cover70%
Sun & Moon
14 hrs 39 mins
Rise
5:41 AM
Set
8:20 PM
Waxing Gibbous
Rise
8:16 PM
Set
5:23 AM
Temperature History
5/30High
Low
Forecast
83°
66°
Average
80°
59°
Last Year
78°
54°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Cloudy with a temperature of 82°. The current RealFeel® Temperature is 91° (Hot) based on observed conditions including 69% humidity, 91% cloud cover, a UV index of 4, and winds of 2 mph. In shade, the RealFeel Shade™ is 85°. 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.