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O'Fallon, MO

82°F
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O'Fallon, MO Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 15

Current Weather

1:29 PM

82°F
Cloudy
RealFeel® 92°
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™ 86°
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®
92°
RealFeel Shade™
86°
Max UV Index
5 Moderate
Wind
NNE 2 mph
Wind Gusts
4 mph
Humidity
63%
Indoor Humidity
63% (Very Humid)
Dew Point
69° F
Pressure
↓ 30.01 in
Cloud Cover
92%
Visibility
10 mi
Cloud Ceiling
20000 ft

Day

6/15
83°Hi
RealFeel® 93°
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™ 86°
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
Partly sunny and humid

Max UV Index10 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindNE 6 mph

Wind Gusts12 mph

Probability of Precipitation3%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover32%

Morning

Afternoon

Night

6/15
67°Lo
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mainly clear and humid

WindNE 5 mph

Wind Gusts13 mph

Probability of Precipitation12%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover25%

Evening

Overnight

Sun & Moon

14 hrs 52 mins
Rise 5:37 AM
Set 8:29 PM
Waning Gibbous
Rise --
Set 9:33 AM

Temperature History

6/15
High
Low
Forecast
83°
67°
Average
85°
64°
Last Year
92°
57°

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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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