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

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Light Rain

66°F

19°C

Humidity 96%
Wind Speed E 9 G 20 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 8:52 am CDT
Extended Forecast for

Forest Lake IL

  • Today

    Today: Showers and possibly a thunderstorm. High near 71. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 64. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 71. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 64. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 74. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 60. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 77. Northeast wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 81.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest Lake IL
 42.2°N 88.03°W
Last Update:
8:56 am CDT Aug 1, 2026
Forecast Valid:
9am CDT Aug 1, 2026-6pm CDT Aug 7, 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