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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right

O'Fallon, IL

83°F
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O'Fallon

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O'Fallon, IL 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 13

Day

7/13
92°Hi
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™ 90°
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
A bit of rain in the morning; otherwise, considerable clouds

Max UV Index3.0 (Moderate)

WindNE 10 mph

Wind Gusts15 mph

Probability of Precipitation56%

Probability of Thunderstorms2%

Precipitation0.03 in

Rain0.03 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover79%

Morning

Afternoon

Night

7/13
65°Lo
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A crystal-clear sky

WindNE 8 mph

Wind Gusts16 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover2%

Evening

Overnight

Sun & Moon

14 hrs 39 mins
Rise 5:46 AM
Set 8:25 PM
Waning Crescent
Rise 4:27 AM
Set 8:17 PM

Temperature History

7/13
High
Low
Forecast
92°
65°
Average
91°
68°
Last Year
86°
72°
Record
104°
1966
52°
1975

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World North America United States Illinois O'Fallon

Weather Near O'Fallon:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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