O'Fallon, IL Weather Forecast

Today's Weather

Thu, Mar 26

Mostly sunny and warmer; breezy this afternoon Hi: 92°

Tonight: Becoming cloudy, breezy and cooler with a couple of drenching thunderstorms late; thunderstorms can bring hail and damaging winds Lo: 41°

Current Weather

12:30 PM

Looking Ahead

Thunderstorms, some heavy, late tonight; storms can bring hail and damaging winds

O'Fallon Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

3/26

92° 41°

Warmer; breezy this afternoon

Night: Heavy t-storms late; cooler

12%

Fri

3/27

55° 29°

Cooler; a shower in the a.m.

Clear and cold

55%

Sat

3/28

58° 40°

Plenty of sunshine

Partly cloudy

Sun

3/29

68° 56°

Times of clouds and sun

Partly cloudy

Mon

3/30

83° 62°

Warmer; breezy in the morning

Partly cloudy; breezy late

15%

Tue

3/31

83° 57°

Breezy and warm with some sun

Overcast with showers around

19%

Wed

4/1

67° 50°

A.M. showers; cloudy, cooler

A little rain late

80%

Thu

4/2

75° 56°

Warm with rain

Partly cloudy

75%

Fri

4/3

72° 49°

Mostly cloudy

Cloudy, late thunderstorms

Sat

4/4

71° 45°

Cloudy with a t-storm or two

Early rain; otherwise, cloudy

61%

Sun & Moon

12 hrs 23 mins

Rise 6:54 AM

Set 7:17 PM

Waxing Gibbous

Rise 12:32 PM

Set 4:03 AM

Air Quality

Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.