Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

87°F

31°C

Humidity 61%
Wind Speed SW 12 mph
Barometer 29.83 in (1008.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 24 Jul 6:55 pm CDT
Extended Forecast for

Grayslake IL

  • Tonight

    Tonight: Partly cloudy, with a low around 69. West northwest wind 5 to 10 mph.

    Partly Cloudy

    Low: 69 °F

  • Monday

    Monday: Sunny, with a high near 85. Northwest wind 5 to 10 mph.

    Sunny

    High: 85 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 65. North northwest wind around 5 mph becoming calm  in the evening.

    Clear

    Low: 65 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

    Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 67. East southeast wind around 5 mph becoming west southwest after midnight.

    Mostly Clear

    Low: 67 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 85.

    Slight Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Chance
    T-storms

    Low: 67 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 80.

    Chance
    T-storms

    High: 80 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. West northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 85. Northwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 65. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 67. East southeast wind around 5 mph becoming west southwest after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64.
Saturday
A chance of showers. Partly sunny, with a high near 80.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Grayslake IL
 42.35°N 88.02°W
6:17 pm CDT Jul 24, 2016
7pm CDT Jul 24, 2016-6pm CDT Jul 31, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database