Widespread Excessive Heat and Humidity in Midwest to Spread to East Coast

High pressure building across the Central and Eastern U.S. will produce a dangerous combination of heat and humidity. Heat indices from unusually high dewpoints and well above normal temperatures may reach 110 to 115 degrees. In addition, near record warm low temperatures will limit recovery from hot daytime temperatures. Read More >

Hazardous Weather Conditions

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Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

85°F

29°C

Humidity	65%
Wind Speed	SW 18 G 29 mph
Barometer	29.75 in (1005.9 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	18 Jul 3:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Waukegan IL

Heat Advisory July 19, 10:00am until July 19, 11:00pm

Click here for hazard details and duration

Heat Advisory

This
Afternoon

Slight Chance
T-storms
High: 84 °F
Tonight

Mostly Clear
then Slight
Chance
T-storms
Low: 78 °F
Friday

Hot
High: 96 °F
Friday
Night

Mostly Clear
then Slight
Chance
T-storms
Low: 78 °F
Saturday

Mostly Sunny
then Chance
T-storms
High: 93 °F
Saturday
Night

Chance
T-storms
Low: 69 °F
Sunday

Chance
T-storms
High: 79 °F
Sunday
Night

Slight Chance
T-storms
Low: 62 °F
Monday

Sunny
High: 76 °F

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind around 15 mph, with gusts as high as 25 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South southwest wind 10 to 15 mph.

Friday

Mostly sunny and hot, with a high near 96. Heat index values as high as 108. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southwest wind 10 to 15 mph.

Saturday

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79.

Sunday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.

Monday

Sunny, with a high near 76.

Monday Night

Mostly clear, with a low around 60.

Tuesday

Sunny, with a high near 79.