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Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
30°F
-1°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.38 in (1029.7 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 8.00 mi |
| Last update | 11 Apr 1:51 am CDT |
Extended Forecast for
Winthrop Harbor IL
Overnight
Low: 34 °F
Mostly Clear
Saturday
High: 49 °F
Increasing
CloudsSaturday Night
Low: 43 °F
Showers
LikelySunday
High: 70 °F
Showers
LikelySunday Night
Low: 57 °F
Showers
Monday
High: 71 °F
Slight Chance
Showers then
Slight Chance
T-stormsMonday Night
Low: 57 °F
Showers
LikelyTuesday
High: 73 °F
Slight Chance
T-storms then
Chance
T-stormsTuesday Night
Low: 57 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm.
Saturday
Increasing clouds, with a high near 49. East wind 5 to 10 mph.
Saturday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 43. East wind 5 to 15 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 57. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Southwest wind around 10 mph. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 73. Southwest wind around 10 mph.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 68.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 67.
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)
1:21 am CDT Apr 11, 2026
2am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
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