O'Fallon, IL Weather Forecast

Today's Weather

Wed, Mar 4

Breezy with periods of rain and a thunderstorm; thunderstorms can bring localized damaging wind gusts, hail and flooding downpours Hi: 61°

Tonight: Cloudy with a couple of showers and a heavy thunderstorm; storms can bring flooding downpours, hail, damaging wind gusts, and tornadoes Lo: 55°

Current Weather

8:33 AM

Looking Ahead

Thunderstorms, some heavy, late Friday night

O'Fallon Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

3/4

61° 55°

Rain and a t-storm; breezy

Night: Showers and a heavier t-storm

94%

Thu

3/5

69° 56°

A stray a.m. t-storm; cloudy

Some clouds, a t-storm late

55%

Fri

3/6

79° 57°

A t-storm around in the a.m.

Cloudy, heavy t-storms late

55%

Sat

3/7

64° 36°

Cooler; a morning shower

Some clouds; cooler

61%

Sun

3/8

68° 48°

Times of clouds and sun

Partly cloudy

12%

Mon

3/9

78° 60°

Sunny; breezy in the p.m.

Partly cloudy

24%

Tue

3/10

76° 50°

Mostly cloudy and very warm

Cloudy with heavy t-storms

25%

Wed

3/11

58° 31°

Cooler; morning showers

Clear and colder

80%

Thu

3/12

49° 39°

Clouds and sun

Clear

Fri

3/13

57° 35°

A little afternoon rain

Mainly clear

55%

Sun & Moon

11 hrs 28 mins

Rise 6:28 AM

Set 5:56 PM

Waning Gibbous

Rise 7:30 PM

Set 7:17 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.