Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
67°F
19°C
| Humidity | 73% |
| Wind Speed | S 20 G 35 mph |
| Barometer | 29.70 in (1004.8 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 12:51 am CDT |
Extended Forecast for
Winthrop Harbor IL
Severe T-storm Watch until March 31, 03:00am
NOW until 3:00am Tue
Severe T-storm Watch
Overnight
Low: 54 °F
Severe
ThunderstormsTuesday
High: 66 °F⇓
Chance
T-storms then
ShowersTuesday Night
Low: 35 °F
Chance
Showers then
Slight Chance
Showers and
BreezyWednesday
High: 40 °F
Chance Rain
and BreezyWednesday Night
Low: 36 °F
Rain Likely
then Rain and
BreezyThursday
High: 62 °F
Rain and
BreezyThursday Night
Low: 45 °F
Rain Likely
Friday
High: 56 °F
Partly Sunny
then Slight
Chance Rain
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Some of the storms could be severe. Cloudy, with a low around 54. Southwest wind around 10 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Temperature rising to near 66 by 11am, then falling to around 46 during the remainder of the day. Southwest wind 10 to 15 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 35. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 40. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Rain likely before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 36. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Rain and possibly a thunderstorm before 10am, then rain between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 62. Breezy, with an east wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 56. West wind around 5 mph becoming northeast in the afternoon.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 46.
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)
1:38 am CDT Mar 31, 2026
1am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
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