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O'Fallon, MO

84°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

Sun, Jun 7

Very warm and humid with more clouds than sun; a shower in spots this morning followed by a thunderstorm this afternoon Hi: 87°

Tonight: Mostly cloudy, warm and humid with a couple of showers and a thunderstorm Lo: 73°

Current Weather

2:25 PM

84°F
RealFeel® 91°
Cloudy More Details
RealFeel Shade™ 86°
Heat Index 88°
Wind SSE 4 mph
Wind Gusts 8 mph
Air Quality Fair

O'Fallon Weather Radar

O'Fallon Weather Radar
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Clouds
Temperature

Hourly Weather

3 PM 87°
rain drop 44%
4 PM 86°
rain drop 47%
5 PM 84°
rain drop 51%
6 PM 83°
rain drop 47%
7 PM 82°
rain drop 44%
8 PM 78°
rain drop 46%
9 PM 77°
rain drop 49%
10 PM 74°
rain drop 54%
11 PM 74°
rain drop 45%
12 AM 74°
rain drop 40%
1 AM 73°
rain drop 38%
2 AM 73°
rain drop 47%

10-Day Weather Forecast

Today

6/7

87° 73°

Very warm; a p.m. t-storm

Night: A shower and thunderstorm

70%

Mon

6/8

81° 71°

Showers and a heavier t-storm

A stray thunderstorm

96%

Tue

6/9

92° 73°

Humid with a t-storm in spots

Mainly clear, warm and humid

55%

Wed

6/10

93° 76°

Mostly sunny and hot

Partly cloudy and very warm

13%

Thu

6/11

90° 67°

A strong thunderstorm; hot

Partly cloudy and humid

55%

Fri

6/12

87° 63°

Mostly sunny and less humid

Mainly clear

12%

Sat

6/13

88° 66°

A strong morning thunderstorm

Humid with a stray t-storm

68%

Sun

6/14

81° 62°

Rain and a thunderstorm

Some rain and a t-storm late

75%

Mon

6/15

77° 60°

Humid with rain and a t-storm

A thunderstorm in spots late

70%

Tue

6/16

78° 58°

A morning t-storm or two

Increasing clouds

62%

Sun & Moon

14 hrs 48 mins
Rise 5:38 AM
Set 8:26 PM
Waning Gibbous
Rise 12:54 AM
Set 12:12 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 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 Moderate Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

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Weather Near O'Fallon:

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