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O'Fallon, MO

75°F
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O'Fallon, MO Weather
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Winter Center

Today

Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Today's Weather

Tue, Jul 8

Humid with intervals of clouds and sunshine; a thunderstorm this afternoon; storms can bring flooding downpours and localized damaging wind gusts Hi: 88°

Tonight: Partly cloudy and humid with a thunderstorm in one or two spots; storms can bring flooding downpours and localized damaging wind gusts Lo: 68°

Current Weather

8:13 AM

75°F
RealFeel® 88°
Sunny More Details
RealFeel Shade™ 81°
Wind ESE 1 mph
Wind Gusts 3 mph
Air Quality Poor

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

9 AM 77°
rain drop 5%
10 AM 80°
rain drop 6%
11 AM 82°
rain drop 7%
12 PM 85°
rain drop 7%
1 PM 86°
rain drop 11%
2 PM 87°
rain drop 34%
3 PM 88°
rain drop 34%
4 PM 87°
rain drop 38%
5 PM 83°
rain drop 46%
6 PM 80°
rain drop 49%
7 PM 77°
rain drop 54%
8 PM 74°
rain drop 51%

10-Day Weather Forecast

Today

7/8

88° 68°

Humid; an afternoon t-storm

Night: Humid with a stray t-storm

89%

Wed

7/9

85° 68°

A stray afternoon t-storm

Clear to partly cloudy

42%

Thu

7/10

88° 71°

Clouds breaking for some sun

Mainly clear

15%

Fri

7/11

92° 70°

Partly sunny and humid

A couple of t-storms; humid

25%

Sat

7/12

83° 68°

An afternoon t-storm or two

Partly cloudy

65%

Sun

7/13

85° 68°

A thunderstorm in spots

Some clouds, a t-storm late

44%

Mon

7/14

87° 70°

Partly sunny with a t-storm

Rain and a thunderstorm

60%

Tue

7/15

86° 69°

Humid with a t-storm in spots

Partly cloudy and humid

40%

Wed

7/16

85° 71°

An afternoon t-storm or two

A couple of t-storms; humid

71%

Thu

7/17

87° 70°

A little afternoon rain

Clear

60%

Sun & Moon

14 hrs 45 mins
Rise 5:45 AM
Set 8:30 PM
Waxing Gibbous
Rise 7:18 PM
Set 4:09 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low 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 Extreme 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
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