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Severe weather to focus on central U.S. into the start of April. See the forecast. Chevron right
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O'Fallon, MO

79°F
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O'Fallon

Missouri

79°
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O'Fallon, MO Weather
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7 PM

77°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 45%
Chevron down
Thunderstorms

RealFeel Shade™73°

WindSSW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling20000 ft

8 PM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

WindSW 15 mph

Air QualityFair

Wind Gusts17 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling12100 ft

9 PM

70°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 69%
Chevron down
Thunderstorms

WindSW 14 mph

Air QualityFair

Wind Gusts16 mph

Humidity73%

Indoor Humidity73% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

68°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 69%
Chevron down
Thunderstorms

WindSW 13 mph

Air QualityFair

Wind Gusts16 mph

Humidity73%

Indoor Humidity73% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

11 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindWSW 14 mph

Air QualityFair

Wind Gusts16 mph

Humidity77%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling8600 ft

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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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