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Explosive storm to impact 200 million, to evolve into blizzard in Midwest. Get the forecast. Chevron right
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O'Fallon, IL

47°F
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O'Fallon

Illinois

47°
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O'Fallon, IL Weather
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WinterCast

Little to no accumulation

Mon, 3/16, 12:00 AM - Mon, 3/16, 7:00 AM

Snow

10 PM

46°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindS 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity55%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling20000 ft

11 PM

44°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 15 mph

Air QualityFair

Wind Gusts25 mph

Humidity57%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois O'Fallon

Weather Near O'Fallon:

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