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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

64°F

18°C

Humidity 73%
Wind Speed NE 8 mph
Barometer 30.36 in (1027.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Sep 5:51 pm CDT
Extended Forecast for

2 Miles NNE Winthrop Harbor IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. East wind around 15 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. East wind 10 to 15 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. East wind 10 to 15 mph becoming southeast after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. East wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. East wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. East wind 5 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. Southeast wind around 5 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. East wind around 15 mph.
Thursday
Mostly sunny, with a high near 64. East wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 59. East wind 10 to 15 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 62. East wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 58. East wind around 10 mph.
Saturday
Mostly sunny, with a high near 62. Southeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 57. East wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 63. Southeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Winthrop Harbor IL
 42.52°N 87.81°W (Elev. 577 ft)
Last Update:
6:11 pm CDT Sep 23, 2026
Forecast Valid:
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation