Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies; Severe Weather in the Central US

Extremely dangerous heat will persist from the Midwest to the East Coast into late this week. Monsoonal moisture may produce excessive rain and considerable flash flooding and debris flows, especially near recent burn scar areas in New Mexico and west Texas. Severe storms are possible from the southern/central Plains into the Great Lakes and Northeast, and the northern/central Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

86°F

30°C

Humidity 57%
Wind Speed Vrbl 7 mph
Barometer 30.16 in (1019.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 24 Jun 10:51 am CDT
Extended Forecast for

Winthrop Harbor IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon.  Mostly cloudy, with a temperature falling to around 72 by 4pm. East wind around 5 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. North wind around 5 mph.

    Low: 64 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 74. North wind 5 to 10 mph.

    High: 74 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming south after midnight.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming east in the afternoon.  Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70. East wind around 5 mph becoming southwest after midnight.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers.  Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a temperature falling to around 72 by 4pm. East wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming south after midnight.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 5 mph becoming southwest after midnight.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 87.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
9:39 am CDT Jun 24, 2025
11am CDT Jun 24, 2025-6pm CDT Jun 30, 2025
 
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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