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

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 40%
Wind Speed W 12 G 23 mph
Barometer 30.08 in (1019.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 9:51 am CDT
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Today

    Today: Scattered sprinkles before noon, then scattered showers after 4pm. Mostly cloudy, with a high near 46. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 46 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Tonight

    Tonight: Widespread frost, mainly after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 5 to 10 mph.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 49. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 49 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind around 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68. Southwest wind around 10 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. West wind around 5 mph becoming north in the evening.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind 5 to 10 mph becoming east in the afternoon.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. East wind around 5 mph becoming south after midnight.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered sprinkles before noon, then scattered showers after 4pm. Mostly cloudy, with a high near 46. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
Widespread frost, mainly after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 5 to 10 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 49. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 41. South wind around 10 mph.
Tuesday
Sunny, with a high near 68. Southwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming north in the evening.
Wednesday
Sunny, with a high near 62. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48. East wind around 5 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Winthrop Harbor IL
 42.52°N 87.84°W (Elev. 623 ft)
Last Update:
8:32 am CDT Apr 19, 2026
Forecast Valid:
10am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation