Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Thunderstorm Rain Fog/Mist and Breezy

64°F

18°C

Humidity 93%
Wind Speed SW 21 G 29 mph
Barometer 29.63 in (1003.5 mb)
Dewpoint 62°F (17°C)
Visibility 2.50 mi
Last update 2 Apr 4:51 pm CDT
Extended Forecast for

Winthrop Harbor IL

Tornado Watch April 2, 05:13pm until April 2, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch April 2, 05:13pm until April 2, 08:00pm

    NOW until 8:00pm Thu

    Tornado Watch

  • This Afternoon

    High: 51 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Some of the storms could be severe.  Low around 42. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Severe
    Thunderstorms
    and Breezy
    then Isolated
    Showers

  • Friday

    Friday: Partly sunny, with a high near 52. West wind 5 to 10 mph becoming east in the afternoon.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers likely after 4am.  Low around 40. Northeast wind 5 to 15 mph becoming southeast after midnight.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 55. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. Northwest wind 10 to 15 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. West wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Some of the storms could be severe. Cloudy, with a steady temperature around 51. South wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Some of the storms could be severe. Low around 42. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 52. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers likely after 4am. Low around 40. Northeast wind 5 to 15 mph becoming southeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 47. Northwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 36. West wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 31. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 56.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
4:46 pm CDT Apr 2, 2026
5pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
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Additional Resources

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