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O'Fallon, MO

66°F
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O'Fallon

Missouri

66°
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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

Tonight's Weather

Wed, May 13

Clear and cooler Lo: 45°

Tomorrow: Sunny to partly cloudy and pleasant Hi: 74°

Current Weather

8:49 PM

66°F
RealFeel® 64°
Clear More Details
Wind N 3 mph
Wind Gusts 6 mph
Air Quality Fair

Looking Ahead

Thunderstorms in the area before dawn Friday through Friday morning; thunderstorms can bring hail

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

9 PM 63°
rain drop 0%
10 PM 59°
rain drop 0%
11 PM 57°
rain drop 0%
12 AM 54°
rain drop 0%
1 AM 52°
rain drop 0%
2 AM 50°
rain drop 0%
3 AM 48°
rain drop 0%
4 AM 47°
rain drop 0%
5 AM 47°
rain drop 0%
6 AM 45°
rain drop 0%
7 AM 48°
rain drop 0%
8 AM 52°
rain drop 0%

10-Day Weather Forecast

Tonight

5/13

45° Lo

Clear and cooler

0%

Thu

5/14

74° 55°

Mostly sunny and pleasant

Night: Partly cloudy, a t-storm late
0%

Fri

5/15

84° 66°

A shower and thunderstorm

Mostly cloudy with a t-storm
65%

Sat

5/16

76° 62°

A shower and thunderstorm

A shower and thunderstorm
88%

Sun

5/17

88° 70°

Partly sunny and warmer

Mostly cloudy and warm
20%

Mon

5/18

87° 62°

Cloudy, windy and very warm

Cloudy with a strong t-storm
25%

Tue

5/19

79° 55°

A shower and thunderstorm

Rain, then a shower
60%

Wed

5/20

73° 51°

Sun and areas of high clouds

Partly cloudy
6%

Thu

5/21

75° 52°

Partly sunny

Mainly clear
2%

Fri

5/22

72° 54°

Times of clouds and sun

Clear
6%

Sun & Moon

14 hrs 13 mins
Rise 5:53 AM
Set 8:06 PM
Waning Crescent
Rise 3:40 AM
Set 4:42 PM

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 Very 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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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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