O'Fallon, MO Weather

As of

Weather Station:Lutheran HS

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78degrees Fahrenheit

Feels like:78°F

Hi: 78Lo: 60

Sunny

Live Weather Radar

O'Fallon, MO weather radar map

Current Weather Details

Windchill
78°
Daily Rain
0"
Dew point
54°
Monthly Rain
3.03"
Humidity
43%
Avg. Wind
NNW 10 mph
Pressure
29.72" →
Wind Gust
NNW 15 mph
Sunrise
7:23 AM
Moon
Waning Gibbous
Sunset
7:03 PM
UV Index
5 (Moderate)

Weather Forecast

  • Today

    Hi

    Mostly sunny. Not as cool with highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.

  • Tonight

    Lo

    Partly cloudy. Not as cool with lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.

O'Fallon, MO 10-day weather forecast

AIR QUALITY

23 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

9.6 Medium-High

Predominant Pollen:Maple, Cedar/Juniper and Alder
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:226.7 miles

No Lightning Nearby

Real-time lightning alerts & live Map