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O'Fallon, MO

85°F
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O'Fallon

Missouri

85°
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O'Fallon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Sunday, June 28

Current Weather

9:36 PM

85°F
Mostly clear
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
96°
Heat Index
94°
Wind
SSE 4 mph
Wind Gusts
8 mph
Humidity
75%
Indoor Humidity
75% (Extremely Humid)
Dew Point
76° F
Pressure
↔ 29.80 in
Cloud Cover
22%
Visibility
11 mi
Cloud Ceiling
40000 ft

Night

6/28
75°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A crystal-clear sky and uncomfortably humid
alerts

Extreme Heat Warning

12:00 PM Sunday - 12:00 AM Friday

WindS 6 mph

Wind Gusts17 mph

Probability of Precipitation25%

Probability of Thunderstorms4%

Precipitation0.00 in

Cloud Cover12%

Evening

Overnight

Sun & Moon

14 hrs 52 mins
Rise 5:40 AM
Set 8:32 PM
Waxing Gibbous
Rise 8:02 PM
Set 4:57 AM

Temperature History

6/28
High
Low
Forecast
93°
75°
Average
88°
66°
Last Year
89°
70°

Current Weather Conditions in O'Fallon

O'Fallon, Missouri is currently Mostly clear with a temperature of 85°. The current RealFeel® Temperature is 96° (Hot) based on observed conditions including 75% humidity, 22% cloud cover, a UV index of 0, and winds of 4 mph. In shade, the RealFeel Shade™ is 96°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for O'Fallon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

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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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