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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. 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 78%
Wind Speed E 5 mph
Barometer 30.38 in (1028.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Sep 9:52 am CDT
Extended Forecast for

Mount Prospect IL

  • Today

    Today: Mostly sunny, with a high near 68. East wind around 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. East southeast wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 67. East wind around 5 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Friday Night

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

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East wind around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °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

Today
Mostly sunny, with a high near 68. East wind around 10 mph.
Tonight
Mostly cloudy, with a low around 60. East southeast wind around 5 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 67. East wind around 5 mph.
Friday Night
Partly cloudy, with a low around 54. East northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 67. East wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 54.
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
A chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61.
Wednesday
Showers likely. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
9:06 am CDT Sep 24, 2026
Forecast Valid:
10am CDT Sep 24, 2026-6pm CDT Sep 30, 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