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.

Partly Cloudy

78°F

26°C

Humidity 56%
Wind Speed SW 9 G 20 mph
Barometer 29.75 in (1006.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Oct 11:52 pm CDT
Extended Forecast for

Forest Lake IL

  • Overnight

    Overnight: Mostly clear, with a low around 69. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Increasing clouds, with a low around 60. East northeast wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 79. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 60. East northeast wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 63. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers before 1am. Cloudy, with a low around 47.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest Lake IL
 42.22°N 88.06°W
Last Update:
8:21 pm CDT Oct 12, 2026
Forecast Valid:
12am CDT Oct 13, 2026-6pm CDT Oct 19, 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