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

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

84°F

29°C

Humidity 43%
Wind Speed Calm
Barometer 30.12 in (1019.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Jul 11:52 am CDT
Extended Forecast for

Island Lake IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West southwest wind around 5 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 64. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Island Lake IL
 42.27°N 88.21°W
Last Update:
10:26 am CDT Jul 7, 2026
Forecast Valid:
12pm CDT Jul 7, 2026-6pm CDT Jul 13, 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