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O'Fallon, MO

15°F
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O'Fallon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, January 23

Current Weather

5:09 AM

15°F
Mostly cloudy
RealFeel® -1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
RealFeel®
-1°
Wind
N 12 mph
Wind Gusts
22 mph
Humidity
51%
Indoor Humidity
16% (Extremely Dry)
Dew Point
0° F
Pressure
↑ 30.50 in
Cloud Cover
76%
Visibility
24 mi
Cloud Ceiling
25400 ft

Day

1/23
10°Hi
RealFeel® -8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
RealFeel Shade™ -9°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Mostly cloudy, brisk and much colder

Max UV Index2.0 (Low)

AccuLumen Brightness Index™3 (Dull)

WindN 15 mph

Wind Gusts24 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover85%

Morning

Afternoon

Night

1/23
1°Lo
RealFeel® -15°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Cloudy and bitterly cold; a bit of snow toward dawn, up to 1"; life-threatening cold air; protect your skin, exposed pipes, and other items sensitive to cold
alerts

Winter Storm Warning

12:00 AM Saturday - 6:00 PM Sunday
alerts

Cold Weather Advisory

12:00 AM Saturday - 12:00 PM Saturday

WindNE 10 mph

Wind Gusts18 mph

Probability of Precipitation76%

Probability of Thunderstorms0%

Precipitation0.01 in

Snow0.35 in

Hours of Precipitation2

Cloud Cover99%

Evening

Overnight

Sun & Moon

9 hrs 58 mins
Rise 7:16 AM
Set 5:14 PM
Waxing Crescent
Rise 9:46 AM
Set 10:34 PM

Temperature History

1/23
High
Low
Forecast
10°
1°
Average
41°
22°
Last Year
33°
13°

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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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