Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

A Few Clouds

60°F

16°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 14 Oct 5:51 am CDT
Extended Forecast for

Winthrop Harbor IL

  • Today

    Today: Mostly cloudy, with a high near 61. Northeast wind 5 to 15 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 2pm.  High near 58. Southeast wind around 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Slight Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 1am.  Low around 48. North wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 57. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph.

    High: 57 °F

    Chance
    Showers and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Southwest wind around 10 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 61. Northeast wind 5 to 15 mph.
Tonight
Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph.
Thursday
Showers, mainly after 2pm. High near 58. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers, mainly before 1am. Low around 48. North wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 57. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph.
Friday Night
Partly cloudy, with a low around 39. Breezy, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 57. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 44. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
5:06 am CDT Oct 14, 2026
6am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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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