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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

42°F

6°C

Humidity 92%
Wind Speed E 6 mph
Barometer 30.08 in (1019.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Nov 7:52 pm CST
Extended Forecast for

Crystal Lake IL

  • Tonight

    Tonight: Patchy drizzle before 9pm. Cloudy, with a low around 39. Northeast wind around 5 mph.

    Low: 39 °F

    Patchy
    Drizzle then
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 43. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 43 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 38. East southeast wind around 5 mph becoming calm.

    Low: 38 °F

    Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 55. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming north northwest after midnight.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy drizzle before 9pm. Cloudy, with a low around 39. Northeast wind around 5 mph.
Wednesday
Cloudy, with a high near 43. Northeast wind around 5 mph becoming east southeast in the afternoon.
Wednesday Night
Cloudy, with a low around 38. East southeast wind around 5 mph becoming calm.
Thursday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 55. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West southwest wind around 5 mph becoming north northwest after midnight.
Friday
Mostly sunny, with a high near 50.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
7:55 pm CST Nov 18, 2025
Forecast Valid:
8pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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