Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

60°F

16°C

Humidity 86%
Wind Speed SW 10 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Apr 12:51 am CDT
Extended Forecast for

Round Lake Heights IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Low around 40. East northeast wind 10 to 15 mph becoming south southeast after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    T-storms
    Likely then
    T-storms

  • Saturday

    Saturday: A chance of showers before 1pm, then a slight chance of showers after 4pm.  Mostly cloudy, with a high near 58. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. West wind around 15 mph, with gusts as high as 30 mph.
Friday
Mostly cloudy, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Low around 40. East northeast wind 10 to 15 mph becoming south southeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 1pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 58. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
1:21 am CDT Apr 3, 2026
2am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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