Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

46°F

8°C

Humidity 56%
Wind Speed E 8 mph
Barometer 30.31 in (1027.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Apr 3:51 pm CDT
Extended Forecast for

Winthrop Harbor IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am.  Cloudy, with a low around 42. East wind 5 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly cloudy, with a high near 68. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am.  Low around 57. Southwest wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am.  Partly sunny, with a high near 70. Southwest wind around 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. South wind around 10 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 73. Southwest wind around 10 mph.

    High: 73 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Low around 54. Southwest wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 67. South wind 10 to 15 mph.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 42. East wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 68. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Low around 57. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 7am. Partly sunny, with a high near 70. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 73. Southwest wind around 10 mph.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 54. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67. South wind 10 to 15 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 66.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 69.
Friday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
3:32 pm CDT Apr 11, 2026
4pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
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Additional Resources

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