Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
73°F
23°C
| Humidity | 96% |
| Wind Speed | SE 5 mph |
| Barometer | 30.09 in (1018.1 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 7:51 am CDT |
Extended Forecast for
Winthrop Harbor IL
Today
High: 77 °F
Scattered
ShowersTonight
Low: 70 °F
Chance
T-stormsSunday
High: 84 °F
Chance
T-stormsSunday Night
Low: 66 °F
Partly Cloudy
Monday
High: 76 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 81 °F
Partly Sunny
Tuesday Night
Low: 66 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 72 °F
Chance
T-storms
Detailed Forecast
Today
Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming southwest after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 84. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 66. North wind around 5 mph.
Monday
Sunny, with a high near 76. North wind around 5 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming southwest after midnight.
Tuesday
Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 70.
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)
8:41 am CDT Aug 15, 2026
8am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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