Current Weather
3:09 PM
86°F
Thunderstorm
RealFeel® 96°
Hot
RealFeel Shade™ 92°
Hot
RealFeel®
96°
RealFeel Shade™
92°
Heat Index
94°
Max UV Index
1.8 (Low)
Wind
SSW 2 mph
Wind Gusts
6 mph
Humidity
64%
Indoor Humidity
64% (Extremely Humid)
Dew Point
73° F
Pressure
↔ 29.85 in
Cloud Cover
94%
Visibility
12 mi
Cloud Ceiling
15900 ft
Day
7/10
89°Hi
RealFeel®
100°
Hot
RealFeel Shade™
96°
Hot
Humid; a morning shower or two followed by showers and a heavier t-storm this afternoon; storms can bring flooding downpours and localized damaging wind gusts
Max UV Index5.0 (Moderate)
AccuLumen Brightness Index™4 (Dull)
WindSW 5 mph
Wind Gusts14 mph
Probability of Precipitation96%
Probability of Thunderstorms58%
Precipitation0.66 in
Rain0.66 in
Hours of Precipitation4.5
Hours of Rain4.5
Cloud Cover71%
Night
7/10
72°Lo
RealFeel®
72°
Pleasant
Clouds breaking with a couple of showers and a thunderstorm; humid; storms can bring flooding downpours and localized damaging wind gusts
WindSSE 5 mph
Wind Gusts7 mph
Probability of Precipitation98%
Probability of Thunderstorms59%
Precipitation0.54 in
Rain0.54 in
Hours of Precipitation4
Hours of Rain4
Cloud Cover71%
Sun & Moon
14 hrs 44 mins
Rise
5:46 AM
Set
8:30 PM
Waning Crescent
Rise
1:38 AM
Set
5:00 PM
Temperature History
7/10High
Low
Forecast
89°
72°
Average
89°
68°
Last Year
91°
67°
Current Weather Conditions in O'Fallon
O'Fallon, Missouri is currently Thunderstorm with a temperature of 86°. The current RealFeel® Temperature is 96° (Hot) based on observed conditions including 64% humidity, 94% cloud cover, a UV index of 2, and winds of 2 mph. In shade, the RealFeel Shade™ is 92°. 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.