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

27°F

-3°C

Humidity 89%
Wind Speed NA
Barometer 29.91 in (1013.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 31 Dec 1:52 am CST
Extended Forecast for

Crystal Lake IL

  • Overnight

    Overnight: Cloudy, with a steady temperature around 24. West northwest wind around 10 mph.

    Low: 24 °F

    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 30. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 30 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 7 °F

    Slight Chance
    Snow then
    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 19. Wind chill values as low as -2. West northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. West southwest wind around 5 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 24. West northwest wind around 10 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 30. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -3. North northwest wind 5 to 15 mph, with gusts as high as 30 mph.
New Year's Day
Partly sunny, with a high near 19. Wind chill values as low as -2. West northwest wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly cloudy, with a low around 12. West southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly cloudy, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
12:41 am CST Dec 31, 2025
Forecast Valid:
1am CST Dec 31, 2025-6pm CST Jan 6, 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