O'Fallon, IL Weather Forecast

Today's Weather

Fri, Apr 3

Variable clouds with a stray thunderstorm, very warm; breezy in the afternoon; severe weather expected at night; be alert and have a way to receive warnings Hi: 81°

Tonight: Periods of rain, some heavy, and a thunderstorm; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado Lo: 58°

Current Weather

12:44 AM

69°F

RealFeel® 68°

Mostly clear More Details

Wind SSW 6 mph

Wind Gusts 12 mph

Air Quality Fair

MINUTECAST®

Rain starting in 27 min

Now

1:44 AM

Looking Ahead

Rain, some heavy, and thunderstorms to affect the area from this evening into early tomorrow morning

O'Fallon Weather Radar

Static Radar Temporarily Unavailable

Thank you for your patience as we work to get everything up and running again.

Refresh Page

Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

4/3

81° 58°

A thunderstorm in spots

Night: Heavy rain and a thunderstorm

55%

Sat

4/4

62° 40°

Heavy rain and a thunderstorm

Becoming clear and cooler

80%

Sun

4/5

60° 39°

Plenty of sun

Clear

Mon

4/6

61° 34°

Mostly sunny

Mainly clear and chilly

17%

Tue

4/7

58° 41°

Some sunshine

Partly cloudy

Wed

4/8

76° 51°

Partly sunny and pleasant

A couple of showers late

12%

Thu

4/9

81° 52°

Mostly cloudy and very warm

Partly cloudy

12%

Fri

4/10

79° 55°

Partly sunny and very warm

Partly cloudy

Sat

4/11

72° 55°

Sun through high clouds

Cloudy with rain late

Sun

4/12

69° 51°

Periods of rain

Cloudy

66%

Sun & Moon

12 hrs 43 mins

Rise 6:42 AM

Set 7:25 PM

Waning Gibbous

Rise 9:25 PM

Set 7:34 AM

Air Quality

Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.