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Extreme risk of severe weather, widespread destructive winds in the Plains into Sunday night. Click for details Chevron right

O'Fallon, IL

64°F
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O'Fallon

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O'Fallon, IL Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Tuesday, June 10

Day

6/10
83°Hi
RealFeel® 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 Shade™ 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Hazy sun; smoke from wildfires in Canada can create reduced air quality

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindW 9 mph

Wind Gusts15 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover31%

Morning

Afternoon

Night

6/10
58°Lo
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindSSW 5 mph

Wind Gusts9 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 48 mins
Rise 5:35 AM
Set 8:23 PM
Waxing Gibbous
Rise 8:24 PM
Set 5:21 AM

Temperature History

6/10
High
Low
Forecast
83°
58°
Average
86°
63°
Last Year
77°
58°
Record
98°
1953
42°
1988

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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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