O'Fallon, MO Weather

As of

Weather Station:Lutheran HS

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67degrees Fahrenheit

Feels like:67°F

Hi: 69Lo: 53

Mostly Cloudy

Live Weather Radar

O'Fallon, MO weather radar map

Current Weather Details

Windchill
67°
Daily Rain
0.48"
Dew point
58°
Monthly Rain
3.59"
Humidity
73%
Avg. Wind
N 4 mph
Pressure
29.77" ↓
Wind Gust
N 6 mph
Sunrise
6:14 AM
Moon
Waxing Gibbous
Sunset
7:48 PM
UV Index
7 (High)

Weather Forecast

  • Today

    Hi

    Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 70s. West winds 5 to 10 mph. Chance of rain 20 percent.

  • Tonight

    Lo

    Mostly cloudy with a slight chance of showers in the evening then partly cloudy after midnight. Lows in the lower 50s. North winds around 5 mph. Chance of rain 20 percent.

O'Fallon, MO 10-day weather forecast

AIR QUALITY

26 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

1.6 Low

Predominant Pollen:Oak, Ash and Mulberry.
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:263.0 miles

No Lightning Nearby

Real-time lightning alerts & live Map