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O'Fallon, MO

64°F
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O'Fallon

Missouri

64°
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O'Fallon, MO Weather
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Today

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

Today's Weather

Tue, May 19

Cloudy and humid with a couple of showers and a thunderstorm; breezy this morning; thunderstorms can bring flash flooding and localized damaging wind gusts Hi: 75°

Tonight: Overcast with a couple of showers and a thunderstorm, mainly early Lo: 55°

Current Weather

6:28 AM

64°F
RealFeel® 66°
Cloudy More Details
RealFeel Shade™ 66°
Wind W 2 mph
Wind Gusts 4 mph
Air Quality Excellent

MINUTECAST®

Rain starting in 48 min

Now
7:28 AM

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

7 AM 64°
rain drop 55%
8 AM 66°
rain drop 51%
9 AM 68°
rain drop 47%
10 AM 71°
rain drop 44%
11 AM 73°
rain drop 46%
12 PM 75°
rain drop 49%
1 PM 75°
rain drop 54%
2 PM 74°
rain drop 40%
3 PM 72°
rain drop 34%
4 PM 71°
rain drop 39%
5 PM 68°
rain drop 49%
6 PM 65°
rain drop 61%

10-Day Weather Forecast

Today

5/19

75° 55°

A shower and t-storm; humid

Night: Couple of thunderstorms
88%

Wed

5/20

69° 53°

Partly sunny and less humid

Mostly cloudy
25%

Thu

5/21

69° 59°

Partly sunny and pleasant

A shower and t-storm late
25%

Fri

5/22

70° 58°

Cloudy, a shower and t-storm

Cloudy with a stray t-storm
88%

Sat

5/23

76° 58°

Thunderstorm

Mostly cloudy
56%

Sun

5/24

77° 60°

Humid with a t-storm possible

Partly cloudy
30%

Mon

5/25

76° 62°

Intervals of clouds and sun

Cloudy with a shower late
25%

Tue

5/26

77° 65°

Cloudy and humid with showers

Cloudy and humid with showers
60%

Wed

5/27

79° 64°

Humid with rain at times

Humid with rain and a t-storm
60%

Thu

5/28

80° 62°

Humid with occasional rain

A shower early; cloudy, humid
61%

Sun & Moon

14 hrs 25 mins
Rise 5:47 AM
Set 8:12 PM
Waxing Crescent
Rise 8:07 AM
Set 11:58 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 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 Low 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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