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O'Fallon, MO

72°F
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O'Fallon

Missouri

72°
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O'Fallon, MO Weather
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Winter Center

Today

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Mon, Sep 21

Mostly cloudy and humid Hi: 73°

Tonight: Cloudy Lo: 64°

Current Weather

4:46 PM

72°F
RealFeel® 74°
Cloudy More Details
RealFeel Shade™ 73°
Wind N 2 mph
Wind Gusts 4 mph
Air Quality Fair

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

5 PM 72°
rain drop 20%
6 PM 71°
rain drop 20%
7 PM 70°
rain drop 13%
8 PM 70°
rain drop 0%
9 PM 70°
rain drop 0%
10 PM 69°
rain drop 0%
11 PM 69°
rain drop 0%
12 AM 68°
rain drop 0%
1 AM 68°
rain drop 1%
2 AM 67°
rain drop 3%
3 AM 67°
rain drop 3%
4 AM 66°
rain drop 3%

10-Day Weather Forecast

Today

9/21

73° 64°

Mostly cloudy and humid

Night: Cloudy

70%

Tue

9/22

69° 59°

Cloudy and less humid

Cloudy

13%

Wed

9/23

72° 59°

Pleasant with sun and clouds

Clear

1%

Thu

9/24

74° 60°

Pleasant with sun and clouds

Partly cloudy

5%

Fri

9/25

74° 56°

Pleasant with some sun

Mainly cloudy

21%

Sat

9/26

76° 60°

A t-storm around in the p.m.

Mostly cloudy with a shower

55%

Sun

9/27

80° 61°

Clouds and sun with a shower

Partly cloudy

55%

Mon

9/28

79° 60°

Mostly sunny

Partly cloudy, a shower late

0%

Tue

9/29

80° 58°

An a.m. shower; partly sunny

Clear

55%

Wed

9/30

79° 58°

Mostly sunny

Mainly clear

1%

Sun & Moon

12 hrs 12 mins
Rise 6:48 AM
Set 7:00 PM
Waxing Gibbous
Rise 4:34 PM
Set 2:26 AM

Air Quality

See More
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.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen High Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Moderate Data is not supported in this location

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World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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