Current Weather
3:47 PM
74°F
Cloudy
RealFeel® 78°
Pleasant
RealFeel Shade™ 75°
Pleasant
RealFeel®
78°
RealFeel Shade™
75°
Max UV Index
1.7 (Low)
Wind
E 2 mph
Wind Gusts
6 mph
Humidity
80%
Indoor Humidity
80% (Very Humid)
Dew Point
68° F
Pressure
↔ 29.90 in
Cloud Cover
97%
Visibility
12 mi
Cloud Ceiling
18600 ft
Day
5/16
76°Hi
RealFeel®
80°
Pleasant
RealFeel Shade™
77°
Pleasant
Considerable clouds with showers and thunderstorms, some heavy; thunderstorms could bring damaging winds, flash flooding and hail
Max UV Index4.0 (Moderate)
AccuLumen Brightness Index™2 (Dark)
WindSSW 7 mph
Wind Gusts15 mph
Probability of Precipitation99%
Probability of Thunderstorms59%
Precipitation0.55 in
Rain0.55 in
Hours of Precipitation6.5
Hours of Rain6.5
Cloud Cover91%
Night
5/16
66°Lo
RealFeel®
62°
Cool
A couple of evening showers and a thunderstorm; otherwise, partly cloudy
WindSSE 7 mph
Wind Gusts10 mph
Probability of Precipitation65%
Probability of Thunderstorms39%
Precipitation0.10 in
Rain0.10 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover64%
Sun & Moon
14 hrs 19 mins
Rise
5:50 AM
Set
8:09 PM
New Moon
Rise
5:14 AM
Set
8:35 PM
Temperature History
5/16High
Low
Forecast
76°
66°
Average
76°
54°
Last Year
86°
54°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Cloudy with a temperature of 74°. The current RealFeel® Temperature is 78° (Pleasant) based on observed conditions including 80% humidity, 97% cloud cover, a UV index of 2, and winds of 2 mph. In shade, the RealFeel Shade™ is 75°. 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.
