Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Mostly Cloudy

64°F

18°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 10:51 pm CDT
Extended Forecast for

2 Miles NNW Mundelein IL

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 64. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. North northwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 62. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 80. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 84.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Mundelein IL
 42.29°N 88.03°W
8:16 pm CDT Aug 25, 2026
11pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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