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

75°F

24°C

Humidity 58%
Wind Speed S 16 G 26 mph
Barometer 29.82 in (1009.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 May 3:52 am CDT
Extended Forecast for

3 Miles NNW Crystal Lake IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 70. South southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Breezy.
    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 4pm. Partly sunny, with a high near 77. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 77 °F

    Breezy.
    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 70. South southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 66. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 4pm. Partly sunny, with a high near 77. Breezy, with a south southwest wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 47. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly cloudy, with a high near 67.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Crystal Lake IL
 42.28°N 88.35°W
Last Update:
3:51 am CDT May 18, 2026
Forecast Valid:
4am CDT May 18, 2026-6pm CDT May 24, 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