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Flash flood risk to focus on parts of central US. Get the forecast Chevron right

Illinois, IL

65°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Friday, July 18

Day

7/18
81°Hi
RealFeel® 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
RealFeel Shade™ 84°
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
Humid; sun and some clouds this morning followed by afternoon low clouds

Max UV Index10 (Very High)

AccuLumen Brightness Index™5 (Medium)

WindNE 5 mph

Wind Gusts6 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover65%

Morning

Afternoon

Night

7/18
67°Lo
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A thunderstorm around this evening; otherwise, overcast and humid

WindESE 5 mph

Wind Gusts6 mph

Probability of Precipitation40%

Probability of Thunderstorms24%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover96%

Evening

Overnight

Sun & Moon

14 hrs 47 mins
Rise 5:36 AM
Set 8:23 PM
Waning Crescent
Rise --
Set 2:21 PM

Temperature History

7/18
High
Low
Forecast
81°
67°
Average
85°
65°
Last Year
75°
57°

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World North America United States Illinois Illinois

Weather Near Illinois:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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