Current Weather
2:36 AM
67°F
Mostly cloudy
RealFeel® 64°
Pleasant
RealFeel®
64°
Wind
SSE 4 mph
Wind Gusts
8 mph
Humidity
92%
Indoor Humidity
89% (Humid)
Dew Point
65° F
Pressure
↔ 29.94 in
Cloud Cover
76%
Visibility
9 mi
Cloud Ceiling
26000 ft
Day
5/19
78°Hi
RealFeel®
81°
Pleasant
RealFeel Shade™
78°
Pleasant
Cloudy and humid with a couple of showers and a thunderstorm; breezy this morning; thunderstorms can bring flash flooding and localized damaging wind gusts
Max UV Index3.0 (Moderate)
AccuLumen Brightness Index™1 (Dark)
WindWSW 12 mph
Wind Gusts20 mph
Probability of Precipitation88%
Probability of Thunderstorms53%
Precipitation0.33 in
Rain0.33 in
Hours of Precipitation3.5
Hours of Rain3.5
Cloud Cover96%
Night
5/19
55°Lo
RealFeel®
53°
Cool
A couple of showers and a thunderstorm this evening; otherwise, overcast and cooler
WindNNW 7 mph
Wind Gusts14 mph
Probability of Precipitation65%
Probability of Thunderstorms26%
Precipitation0.10 in
Rain0.10 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover96%
Sun & Moon
14 hrs 25 mins
Rise
5:47 AM
Set
8:12 PM
Waxing Crescent
Rise
8:07 AM
Set
11:58 PM
Temperature History
5/19High
Low
Forecast
78°
55°
Average
77°
55°
Last Year
82°
63°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Mostly cloudy with a temperature of 67°. The current RealFeel® Temperature is 64° (Pleasant) based on observed conditions including 92% humidity, 76% cloud cover, a UV index of 0, and winds of 4 mph. In shade, the RealFeel Shade™ is 64°. 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.
