Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

A Few Clouds

71°F

22°C

Humidity 49%
Wind Speed N 9 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 13 Sep 12:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • This Afternoon

    This Afternoon: Showers likely, mainly between 2pm and 4pm.  Mostly cloudy, with a high near 70. Northwest wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 73. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 80. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers and possibly a thunderstorm after 1am.  Cloudy, with a low around 62.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 77.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers likely, mainly between 2pm and 4pm. Mostly cloudy, with a high near 70. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Monday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 73. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 70. Chance of precipitation is 60%.
Wednesday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Cloudy, with a low around 62.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 77.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61.
Friday
A chance of showers. Partly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58.
Saturday
A chance of showers. Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
12:16 pm CDT Sep 13, 2026
1pm CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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