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O'Fallon, MO

82°F
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O'Fallon

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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
Wednesday, June 24

Current Weather

3:45 PM

82°F
Partly sunny
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 Shade™ 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
96°
RealFeel Shade™
88°
Heat Index
87°
Max UV Index
4.8 (Moderate)
Wind
SW 3 mph
Wind Gusts
6 mph
Humidity
70%
Indoor Humidity
70% (Extremely Humid)
Dew Point
72° F
Pressure
↔ 29.99 in
Cloud Cover
46%
Visibility
16 mi
Cloud Ceiling
21700 ft

Day

6/24
84°Hi
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 Shade™ 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Clouds and breaks of sun

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™5 (Medium)

WindSSW 7 mph

Wind Gusts12 mph

Probability of Precipitation49%

Probability of Thunderstorms29%

Precipitation0.00 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover61%

Morning

Afternoon

Night

6/24
66°Lo
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly cloudy and humid with a thunderstorm in spots

WindWSW 6 mph

Wind Gusts7 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.08 in

Rain0.08 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover82%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:39 AM
Set 8:32 PM
Waxing Gibbous
Rise 4:06 PM
Set 2:13 AM

Temperature History

6/24
High
Low
Forecast
84°
66°
Average
87°
66°
Last Year
95°
75°

Current Weather Conditions in O'Fallon

O'Fallon, Missouri is currently Partly sunny with a temperature of 82°. The current RealFeel® Temperature is 96° (Hot) based on observed conditions including 70% humidity, 46% cloud cover, a UV index of 5, and winds of 3 mph. In shade, the RealFeel Shade™ is 88°. 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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Weather Near O'Fallon:

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