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O'Fallon, MO

79°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
Monday, July 20

Day

7/20
91°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™ 91°
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
Less humid with sun followed by increasing clouds

Max UV Index11.0 (Extreme)

WindESE 5 mph

Wind Gusts8 mph

Probability of Precipitation25%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover51%

Morning

Afternoon

Night

7/20
71°Lo
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Cloudy with a shower in the area

WindESE 4 mph

Wind Gusts7 mph

Probability of Precipitation55%

Probability of Thunderstorms15%

Precipitation0.03 in

Rain0.03 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover95%

Evening

Overnight

Sun & Moon

14 hrs 30 mins
Rise 5:54 AM
Set 8:24 PM
Waxing Crescent
Rise 12:53 PM
Set 11:49 PM

Temperature History

7/20
High
Low
Forecast
91°
71°
Average
89°
68°
Last Year
95°
72°

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10-Day

Monthly

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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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