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Temperatures plummet in Florida this weekend. Here's the cities that could even see snow. Chevron right
Bomb cyclone to focus most of its furious snow on Carolinas. See the forecast. Chevron right

O'Fallon, MO

13°F
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O'Fallon

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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 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
January 31

Evening

1/31
2°
RealFeel® -3°
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
Partly cloudy and very cold

WindW 6 mph

Wind Gusts7 mph

Humidity85%

Dew Point3°

Probability of Precipitation0%

Precipitation0.00 in

Cloud Cover26%

Visibility10 mi

Overnight

Day & Night

Sun & Moon

10 hrs 13 mins
Rise 7:10 AM
Set 5:23 PM
Waxing Gibbous
Rise 4:03 PM
Set 7:11 AM

Temperature History

1/31
High
Low
Forecast
23°
-3°
Average
42°
23°
Last Year
52°
37°

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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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