Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed N 6 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Jun 3:51 am CDT
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 67. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. North wind around 5 mph becoming east in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. East southeast wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Partly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 67. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 52. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 68. North wind around 5 mph becoming east in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 56. East southeast wind around 5 mph becoming south after midnight.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.41°N 87.87°W
3:01 am CDT Jun 22, 2026
5am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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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