O'Fallon, IL Weather Forecast

Today's Weather

Wed, Apr 1

Mostly cloudy and not as warm with showers and thunderstorms, mainly early; breezy this afternoon; there can be ponding on streets and highways Hi: 72°

Tonight: A thunderstorm in spots this evening; otherwise, cloudy and warm, becoming breezy late Lo: 64°

Current Weather

1:18 PM

51°F

RealFeel® 51°

Light rain More Details

MINUTECAST®

Rain starting in 13 min

Now

2:18 PM

Looking Ahead

Thunderstorms, some strong, tomorrow; storms can bring hail and damaging winds

O'Fallon Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

4/1

72° 64°

Thunderstorms, mainly early

Night: A t-storm around this evening

100%

Thu

4/2

76° 63°

Showers and a heavier t-storm

A thunderstorm around early

98%

Fri

4/3

80° 57°

A thunderstorm in spots

Periods of rain and a t-storm

55%

Sat

4/4

65° 38°

Heavy rain and a thunderstorm

Becoming clear and colder

96%

Sun

4/5

58° 39°

Sunny

Clear

Mon

4/6

64° 40°

Mostly sunny

Rain and drizzle late

18%

Tue

4/7

59° 39°

Considerable cloudiness

Cloudy most of the time

25%

Wed

4/8

66° 44°

Decreasing clouds

Clear

Thu

4/9

73° 51°

Plenty of sunshine

Mainly clear

Fri

4/10

72° 55°

Some sun with a shower

A bit of late-night rain

55%

Sun & Moon

12 hrs 38 mins

Rise 6:45 AM

Set 7:23 PM

Full Moon

Rise 7:19 PM

Set 6:43 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.