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 >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

62°F

17°C

Humidity 84%
Wind Speed E 3 mph
Barometer 30.31 in (1026.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Sep 12:52 am CDT
Extended Forecast for

Lake Forest IL

Flood Warning September 25, 01:04am until September 28, 01:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning September 25, 01:04am until September 28, 01:00am

    NOW until 1:00am Mon

    Flood Warning

  • Overnight

    Low: 59 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 65. East wind around 5 mph.

    High: 65 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. East southeast wind around 5 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 59. East southeast wind around 5 mph.
Friday
Mostly cloudy, with a high near 65. East wind around 5 mph.
Friday Night
Partly cloudy, with a low around 54. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 66. East southeast wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61.
Wednesday
Showers likely. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 68.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Forest IL
 42.24°N 87.88°W
Last Update:
4:56 pm CDT Sep 24, 2026
Forecast Valid:
1am 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