Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

66°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.06 in (1017.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Jul 10:51 pm CDT
Extended Forecast for

2 Miles ESE Waukegan IL

  • Tonight

    Tonight: Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am.  Mostly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66. North northeast wind 5 to 10 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming south southwest after midnight.
Saturday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 67. North wind around 5 mph, with gusts as high as 10 mph.
Sunday
Partly sunny, with a high near 74. Northeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. North northeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Waukegan IL
 42.37°N 87.85°W
9:27 pm CDT Jul 18, 2025
11pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
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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