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Stormy weekend with flooding rain and snow in East. Get the details. Chevron right

O'Fallon, MO

42°F
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O'Fallon

Missouri

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O'Fallon, MO Weather
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7 PM

40°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 48%
Chevron down
Showers

WindW 12 mph

Air QualityFair

Wind Gusts20 mph

Humidity57%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling24000 ft

8 PM

40°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 54%
Chevron down
Mostly cloudy w/ showers

WindW 14 mph

Air QualityFair

Wind Gusts21 mph

Humidity62%

Indoor Humidity36% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Rain0.01 in

Visibility10 mi

Cloud Ceiling9000 ft

9 PM

38°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 49%
Chevron down
Mostly clear

WindW 15 mph

Air QualityFair

Wind Gusts22 mph

Humidity63%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

36°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 19%
Chevron down
Mostly clear

WindWNW 15 mph

Air QualityFair

Wind Gusts22 mph

Humidity64%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

34°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 19%
Chevron down
Mostly clear

WindWNW 15 mph

Air QualityFair

Wind Gusts23 mph

Humidity61%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near O'Fallon:

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