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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Saturday, June 21

Day

6/21
94°Hi
RealFeel® 98°
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™ 95°
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
Windy and hot with clouds yielding to sun; start of an extended heat wave; stay hydrated
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™8 (Bright)

WindSSW 18 mph

Wind Gusts32 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover39%

Morning

Afternoon

Night

6/21
76°Lo
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, breezy and humid
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

WindSSW 16 mph

Wind Gusts30 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

15 hrs 14 mins
Rise 5:15 AM
Set 8:29 PM
Waning Crescent
Rise 1:53 AM
Set 4:34 PM

Temperature History

6/21
High
Low
Forecast
94°
76°
Average
83°
64°
Last Year
95°
68°
Record
101°
2022
45°
1940

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  • Milwaukee, WI
  • Naperville, IL
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