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.

Fair

72°F

22°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 29.77 in (1007.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 5:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Today

    Today: Sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 59. Northwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Northeast wind around 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 60. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Increasing clouds, with a low around 59. Northwest wind 5 to 10 mph becoming north northeast after midnight.
Wednesday
A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 54. Northeast wind around 10 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 60. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 54. Breezy.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 64.
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:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
5:56 am CDT Oct 13, 2026
Forecast Valid:
6am 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