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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

66°F

19°C

Humidity 90%
Wind Speed Calm
Barometer 30.09 in (1018.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 12:52 am CDT
Extended Forecast for

Long Grove IL

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. East northeast wind around 5 mph becoming south southwest after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 63. East northeast wind around 5 mph becoming south southwest after midnight.
Saturday
Increasing clouds, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Grove IL
 42.2°N 88.01°W
Last Update:
1:21 am CDT Aug 28, 2026
Forecast Valid:
1am CDT Aug 28, 2026-6pm CDT Sep 3, 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