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O'Fallon, MO

74°F
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O'Fallon

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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

Sat, May 16

Considerable cloudiness with showers and thunderstorms; thunderstorms can bring hail and damaging winds Hi: 77°

Tonight: A couple of showers and a thunderstorm this evening; otherwise, partly cloudy and warm Lo: 67°

Current Weather

5:26 PM

74°F
RealFeel® 75°
Cloudy More Details
RealFeel Shade™ 74°
Wind SE 3 mph
Wind Gusts 6 mph
Air Quality Poor

Looking Ahead

Thunderstorms, some strong, Monday afternoon through Tuesday evening; storms can bring hail and damaging winds

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

6 PM 77°
rain drop 49%
7 PM 77°
rain drop 49%
8 PM 75°
rain drop 57%
9 PM 74°
rain drop 49%
10 PM 72°
rain drop 48%
11 PM 72°
rain drop 46%
12 AM 71°
rain drop 49%
1 AM 70°
rain drop 54%
2 AM 70°
rain drop 25%
3 AM 69°
rain drop 20%
4 AM 68°
rain drop 20%
5 AM 68°
rain drop 20%

10-Day Weather Forecast

Today

5/16

77° 67°

Cloudy with thunderstorms

Night: A shower and t-storm early
98%

Sun

5/17

92° 71°

Hot

Partly cloudy and breezy
5%

Mon

5/18

81° 72°

Not as warm; a p.m. t-storm

A strong thunderstorm
55%

Tue

5/19

79° 55°

A shower and t-storm; breezy

Cooler; a heavy t-storm early
88%

Wed

5/20

68° 52°

Partly sunny and cooler

Mostly cloudy
25%

Thu

5/21

73° 54°

Pleasant with clouds and sun

Partly cloudy
25%

Fri

5/22

80° 60°

Partly sunny

Partly cloudy
7%

Sat

5/23

81° 64°

Cloudy, a t-storm possible

A shower in spots late; humid
30%

Sun

5/24

83° 67°

Humid with a t-storm possible

Partly cloudy and humid
30%

Mon

5/25

80° 66°

Humid with t-storms possible

Humid; a shower late
35%

Sun & Moon

14 hrs 19 mins
Rise 5:48 AM
Set 8:07 PM
New Moon
Rise 5:12 AM
Set 8:32 PM

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 High 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 High Data is not supported in this location

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Weather Near O'Fallon:

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