National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

45°F

7°C

Humidity 63%
Wind Speed SW 7 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 30 Mar 4:51 am CDT
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Today

    Today: Mostly sunny, with a high near 69. Southwest wind 5 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 51. Southeast wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4pm. High near 67. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Slight Chance
    T-storms then
    Rain

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms before 10pm, then a chance of rain. Low around 34. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow before 1am, then rain. Low around 35. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain. High near 51. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 40. Northeast wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 69. Southwest wind 5 to 10 mph.
Tonight
A slight chance of rain and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 51. Southeast wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 20%.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4pm. High near 67. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and thunderstorms before 10pm, then a chance of rain. Low around 34. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Rain likely, possibly mixed with snow before 1am, then rain. Low around 35. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain. High near 51. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 40. Northeast wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 50.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Winthrop Harbor IL
 42.52°N 87.84°W (Elev. 623 ft)
Last Update:
5:05 am CDT Mar 30, 2026
Forecast Valid:
5am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation