O'Fallon, IL Weather

As of

Weather Station:SCOTT AFB / MidAmerica Airport

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17degrees Fahrenheit

Feels like:-1°F

Hi: 23Lo: 12

Mostly Sunny

Live Weather Radar

O'Fallon, IL weather radar map

Current Weather Details

Windchill
-1°
Daily Rain
0"
Dew point
-3°
Monthly Rain
0.4"
Humidity
41%
Avg. Wind
WNW 22 mph
Pressure
30.37" →
Wind Gust
33 mph
Sunrise
7:14 AM
Moon
Waxing Crescent
Sunset
5:06 PM
UV Index
2 (Low)

Weather Forecast

  • Today

    Hi

    Sunny cooler with highs in the lower 20s. Northwest winds 15 to 20 mph. Gusts up to 40 mph this morning. Wind chill values as low as 4 below.

  • Tonight

    Lo

    Mostly clear. Lows around 13. Southwest winds around 5 mph.

O'Fallon, IL 10-day weather forecast

AIR QUALITY

21 | Fair

Top Triggers:pm25
Air quality data provided by Ambee
View Today's Air Quality details for O'Fallon, IL

POLLEN COUNT & ALLERGY FORECAST

0.1 Low

Predominant Pollen:Mixed Trace
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:1770.5 miles

No Lightning Nearby

Real-time lightning alerts & live Map