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O'Fallon, MO

77°F
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O'Fallon

Missouri

77°
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O'Fallon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today

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

Today's Weather

Thu, Aug 20

Humid with times of clouds and sun Hi: 82°

Tonight: Mainly clear; foggy late Lo: 61°

Current Weather

9:59 AM

77°F
RealFeel® 90°
Partly sunny More Details
RealFeel Shade™ 81°
Wind N 2 mph
Wind Gusts 4 mph
Air Quality Excellent

Looking Ahead

Pleasant Sunday

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

10 AM 77°
rain drop 20%
11 AM 78°
rain drop 20%
12 PM 79°
rain drop 20%
1 PM 80°
rain drop 16%
2 PM 81°
rain drop 7%
3 PM 82°
rain drop 7%
4 PM 82°
rain drop 7%
5 PM 80°
rain drop 7%
6 PM 79°
rain drop 7%
7 PM 78°
rain drop 5%
8 PM 75°
rain drop 0%
9 PM 72°
rain drop 0%

10-Day Weather Forecast

Today

8/20

82° 61°

Humid with clouds and sun

Night: Mainly clear; foggy late
25%

Fri

8/21

86° 67°

Partly sunny and humid

Mainly clear
25%

Sat

8/22

85° 62°

Partly sunny, a stray t-storm

Clear
55%

Sun

8/23

81° 59°

Pleasant with clouds and sun

Mainly clear
3%

Mon

8/24

82° 61°

Mostly cloudy

A couple of t-storms late
23%

Tue

8/25

83° 65°

Showers in the morning

Humid; a late-night shower
91%

Wed

8/26

84° 64°

Humid with clouds and sun

Mainly clear
25%

Thu

8/27

81° 60°

Mostly sunny and less humid

Mostly clear
1%

Fri

8/28

85° 64°

Partly sunny

Partly cloudy
6%

Sat

8/29

87° 65°

Partly sunny

Clear to partly cloudy
8%

Sun & Moon

13 hrs 30 mins
Rise 6:21 AM
Set 7:51 PM
Waxing Gibbous
Rise 2:52 PM
Set 11:57 PM

Air Quality

See More
Air Quality Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

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 Very High Data is not supported in this location

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World North America United States Missouri O'Fallon

Weather Near O'Fallon:

  • St. Charles, MO
  • St. Louis, MO
  • St. Peters, MO
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