Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
62°F
17°C
| Humidity | 84% |
| Wind Speed | SW 14 mph |
| Barometer | 29.82 in (1010.0 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 7:51 pm CST |
Extended Forecast for
Winthrop Harbor IL
Tonight
Low: 54 °F
T-storms and
Patchy FogSaturday
High: 59 °F⇓
Chance
T-storms and
Patchy Fog
then Mostly
Cloudy and
BreezySaturday Night
Low: 36 °F
Decreasing
CloudsSunday
High: 57 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 63 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 49 °F
Mostly Sunny
then Chance
RainTuesday Night
Low: 34 °F
Rain Likely
Detailed Forecast
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Patchy fog. Low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and noon. Patchy fog before 11am. Otherwise, mostly cloudy, with a temperature rising to near 59 by 9am, then falling to around 46 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 10 to 15 mph.
Sunday
Sunny, with a high near 57. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind 10 to 15 mph.
Monday
Sunny, with a high near 63. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 40. Southwest wind 5 to 10 mph becoming northeast after midnight.
Tuesday
A 50 percent chance of rain and thunderstorms after noon. Mostly sunny, with a high near 49. Northeast wind 10 to 15 mph.
Tuesday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A slight chance of rain and snow. Mostly clear, with a low around 29. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 45.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 54.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Winthrop Harbor IL
42.49°N 87.81°W (Elev. 600 ft)
42.49°N 87.81°W (Elev. 600 ft)
7:37 pm CST Mar 6, 2026
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
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