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O'Fallon, MO

85°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
Saturday, June 20

Day

6/20
85°Hi
RealFeel® 97°
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
Times of clouds and sun

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™7 (Bright)

WindNW 4 mph

Wind Gusts9 mph

Probability of Precipitation25%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover48%

Morning

Afternoon

Night

6/20
71°Lo
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Watch for strong late-night thunderstorms; otherwise, a heavy thunderstorm around in the evening; increasing clouds

WindS 5 mph

Wind Gusts10 mph

Probability of Precipitation91%

Probability of Thunderstorms83%

Precipitation0.46 in

Rain0.46 in

Hours of Precipitation3

Hours of Rain3

Cloud Cover79%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:38 AM
Set 8:31 PM
Waxing Crescent
Rise 11:54 AM
Set 12:37 AM

Temperature History

6/20
High
Low
Forecast
85°
71°
Average
86°
65°
Last Year
91°
64°

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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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