O'Fallon, MO Weather Forecast

Tonight's Weather

Sun, May 3

Mostly cloudy with a shower in places Lo: 54°

Tomorrow: Intervals of clouds and sunshine; breezy in the morning, then a thunderstorm in spots in the afternoon; thunderstorms can bring hail and damaging winds Hi: 81°

Current Weather

11:15 PM

68°F

RealFeel® 67°

Partly cloudy More Details

Wind SSW 2 mph

Wind Gusts 5 mph

Air Quality Fair

Looking Ahead

Watch for rounds of thunderstorms, some severe, early this week

O'Fallon Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Tonight

5/3

54° Lo

Mostly cloudy with a shower

65%

Mon

5/4

81° 56°

A t-storm around in the p.m.

Night: Cloudy, a shower and t-storm

55%

Tue

5/5

62° 47°

Rain and a t-storm; cooler

A little rain early; cloudy

94%

Wed

5/6

59° 42°

An afternoon shower or two

Cloudy and chilly

58%

Thu

5/7

64° 44°

Cool with sun and some clouds

Partly cloudy and chilly

23%

Fri

5/8

68° 45°

Cloudy with a shower in spots

A shower early; partly cloudy

55%

Sat

5/9

73° 54°

Partly sunny and comfortable

Partly cloudy

14%

Sun

5/10

70° 50°

Sun through high clouds

Cloudy with occasional rain

Mon

5/11

74° 51°

Cloudy

Partly to mostly cloudy

25%

Tue

5/12

71° 51°

Times of clouds and sun

Partly cloudy

Sun & Moon

13 hrs 54 mins

Rise 6:03 AM

Set 7:57 PM

Waning Gibbous

Rise 10:24 PM

Set 7:25 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.