Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

71°F

22°C

Humidity 63%
Wind Speed NE 7 mph
Barometer 30.16 in (1020.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 30 Sep 5:51 pm CDT
Extended Forecast for

Round Lake Heights IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. East wind 5 to 10 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Southeast wind 5 to 10 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. East southeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. East wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 74. East wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 81. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 61. East southeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 80.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
5:56 pm CDT Sep 30, 2025
6pm CDT Sep 30, 2025-6pm CDT Oct 7, 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