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

Showers and Cooler Temperatures in the East; Multi-Day Rain Event in the Southwest

A cold front in the East will bring showers and thunderstorms and much cooler temperatures from the Northeast into the Southeast. The Southwest, centered around New Mexico, will continue to see showers and thunderstorms, where there maybe isolated flash flooding. Tropical moisture will bring a multi-day period of thunderstorms and locally heavy rainfall across the Southwest beginning Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

51°F

11°C

Humidity 71%
Wind Speed NW 7 mph
Barometer 30.27 in (1024.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 8 Oct 3:51 am CDT
Extended Forecast for

Winthrop Harbor IL

  • Today

    Today: Sunny, with a high near 61. North wind around 10 mph, with gusts as high as 15 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62. Southeast wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 67. South southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. North wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 48. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Thursday
Sunny, with a high near 62. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 50. South wind 5 to 10 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 67. South southwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.47°N 87.81°W
Last Update:
4:11 am CDT Oct 8, 2025
Forecast Valid:
4am CDT Oct 8, 2025-6pm CDT Oct 14, 2025
 
Forecast Discussion
 
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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