Extreme Heat and Fire Weather Conditions in the West; Severe Thunderstorm Threat in the Northern Plains on Thursday

Extreme heat will may set some new daily temperature records across the Desert Southwest. Hot, dry and windy conditions and dry thunderstorms continue to bring fire weather concerns for portions of the Desert Southwest, the central Great Basin and Rockies. Severe thunderstorms and heavy rain are expected across the Northern Plains late Thursday. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed Calm
Barometer 30.19 in (1021.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 7 Aug 1:51 am CDT
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 85. South wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am.  Mostly sunny, with a high near 88. Heat index values as high as 95. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. South wind 5 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 88. Heat index values as high as 95. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
Partly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
1:11 am CDT Aug 7, 2025
2am CDT Aug 7, 2025-6pm CDT Aug 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

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