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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right

Markham, IL

80°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 22

Day

6/22
96°Hi
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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™ 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
Breezy and hot with sunshine mixing with some clouds; stay hydrated when outside in the heat
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 15 mph

Wind Gusts31 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover26%

Morning

Afternoon

Night

6/22
75°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, very warm and humid; little heat relief; uncomfortable night for sleeping without air conditioning
alerts

Extreme Heat Warning

10:00 AM Saturday - 12:00 AM Tuesday

WindSSW 8 mph

Wind Gusts25 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover4%

Evening

Overnight

Sun & Moon

15 hrs 11 mins
Rise 5:17 AM
Set 8:28 PM
Waning Crescent
Rise 2:25 AM
Set 5:54 PM

Temperature History

6/22
High
Low
Forecast
96°
75°
Average
82°
60°
Last Year
93°
70°

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World North America United States Illinois Markham

Weather Near Markham:

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