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Summit, IL

70°F
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Summit, 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
Sunday, May 17

Day

5/17
90°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™ 87°
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, breezy and very warm with the temperature approaching the record high of 93 set in 2001

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindS 14 mph

Wind Gusts31 mph

Probability of Precipitation5%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover31%

Morning

Afternoon

Night

5/17
70°Lo
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy; breezy, warm and more humid

WindS 16 mph

Wind Gusts30 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover35%

Evening

Overnight

Sun & Moon

14 hrs 19 mins
Rise 5:47 AM
Set 8:06 PM
Waxing Crescent
Rise 5:58 AM
Set 9:49 PM

Temperature History

5/17
High
Low
Forecast
90°
70°
Average
77°
57°
Last Year
74°
56°

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Weather Near Summit:

  • O'Fallon, MO
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