O'Fallon, IL

Weather

As of
Current Temperature

83degrees Fahrenheit

Feels like:88°

Hi:84°Lo:81°

Clear

Live Weather Radar

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O'Fallon, IL weather radar map

Current Weather Details

Windchill
88°
Daily Rain
0"
Dew point
71°
Monthly Rain
0"
Humidity
68%
Avg. Wind
SSW 8 mph
Pressure
29.91"
Wind Gust
16 mph
Sunrise
6:31 AM
Moon
Third Quarter
Sunset
7:25 PM
UV Index
7 (High)

Weather Forecast

  • Tonight

    Lo

    Mostly clear. Lows in the mid 70s. South winds around 5 mph.

  • Tomorrow

    Hi

    Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 108.

O'Fallon, IL 10-day weather forecast

AIR QUALITY

Air Quality Index
37|Fair
Top Triggers:
pm25
View Today's Air Quality details for O'Fallon, IL

POLLEN COUNT & ALLERGY FORECAST

Pollen Count
11.7|High
Predominant Pollen:
Ragweed, Chenopods, Nettle
O'Fallon, IL Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:321.9 miles

No Lightning Nearby

O'Fallon, IL real-time lightning alerts & live Map