Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

80°F

27°C

Humidity 60%
Wind Speed SW 18 G 28 mph
Barometer 29.68 in (1004.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Apr 4:51 pm CDT
Extended Forecast for

Round Lake Heights IL

Tornado Watch until April 14, 10:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until April 14, 10:00pm

    NOW until 10:00pm Tue

    Tornado Watch

  • This Afternoon

    High: 78 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could be severe.  Low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm.  High near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Low around 57. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am.  Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 49. Chance of precipitation is 10%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a steady temperature around 78. South southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could be severe. Low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm. High near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 57. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 49. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 74.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 52.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Patchy frost. Otherwise, mostly clear, with a low around 32.
Monday
Patchy frost. Otherwise, sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Heights IL
 42.38°N 88.11°W
3:31 pm CDT Apr 14, 2026
5pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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