Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

42°F

6°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.97 in (1015.6 mb)
Dewpoint 42°F (6°C)
Visibility 3.00 mi
Wind Chill38°F (3°C)
Last update 5 Mar 1:51 pm CST
Extended Forecast for

2 Miles NNE Winthrop Harbor IL

Dense Fog Advisory March 5, 02:05pm until March 6, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 02:05pm until March 6, 06:00am

    NOW until 6:00am Fri

    Dense Fog Advisory

  • This Afternoon

    High: 42 °F

    Dense Fog

  • Tonight

    Tonight: Widespread dense fog.  Otherwise, cloudy, with a low around 38. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 38 °F

    Dense Fog

  • Friday

    Friday: Rain and thunderstorms before 1pm, then rain likely and possibly a thunderstorm between 1pm and 3pm, then a chance of rain and thunderstorms after 3pm.  Areas of dense fog before 3pm. High near 58. Southeast wind 5 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain and
    Areas Dense
    Fog

  • Friday Night

    Friday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 1am.  Low around 56. South wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain Likely
    then Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before 9am.  Partly sunny, with a temperature falling to around 46 by 4pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Chance Rain
    and Breezy
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind around 10 mph becoming southwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Widespread dense fog. Otherwise, cloudy, with a high near 42. Northeast wind around 5 mph.
Tonight
Widespread dense fog. Otherwise, cloudy, with a low around 38. Northeast wind around 5 mph becoming southeast after midnight.
Friday
Rain and thunderstorms before 1pm, then rain likely and possibly a thunderstorm between 1pm and 3pm, then a chance of rain and thunderstorms after 3pm. Areas of dense fog before 3pm. High near 58. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 1am. Low around 56. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of rain, mainly before 9am. Partly sunny, with a temperature falling to around 46 by 4pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind around 10 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 44. Breezy.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 43. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Winthrop Harbor IL
 42.52°N 87.81°W (Elev. 577 ft)
1:26 pm CST Mar 5, 2026
2pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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Additional Resources

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