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.

Overcast

24°F

-4°C

Humidity 57%
Wind Speed SW 14 G 23 mph
Barometer 29.75 in (1008.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 15 Jan 9:52 pm CST
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: Snow, mainly before 1am. Temperature rising to around 25 by 5am. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F⇑

    Snow then
    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 13 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 17. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 25 mph.

    High: 17 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 18.

    High: 18 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 1. Blustery.

    Low: 1 °F

    Slight Chance
    Snow Showers
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 7. Blustery.

    High: 7 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 1am. Temperature rising to around 25 by 5am. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 17. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 18.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 1. Blustery.
M.L.King Day
Partly sunny and cold, with a high near 7. Blustery.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.25°N 88.33°W
Last Update:
9:41 pm CST Jan 15, 2026
Forecast Valid:
10pm CST Jan 15, 2026-6pm CST Jan 22, 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