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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

63°F

17°C

Humidity 73%
Wind Speed NE 3 mph
Barometer 30.33 in (1026.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Sep 12:51 pm CDT
Extended Forecast for

Long Lake IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming east northeast around 5 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 50. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming east southeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Saturday Night
Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming east northeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58.
Wednesday
Showers likely. Cloudy, with a high near 68.
Wednesday Night
Showers likely. Cloudy, with a low around 59.
Thursday
A chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
Last Update:
1:21 pm CDT Sep 25, 2026
Forecast Valid:
1pm CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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