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

Excessive Heat in Southern California; Tropical Storm Ian Expected to Rapidly Intensify

Excessive heat is possible through Wednesday over southern California. Strong thunderstorms may pose some risk for severe weather across parts of the upper Ohio Valley into the northern Mid Atlantic coast. Tropical Storm Ian is forecast to approach the Florida peninsula at major hurricane strength by midweek, and poses a risk of dangerous storm surge, hurricane-force winds, and heavy rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

59°F

15°C

Humidity 83%
Wind Speed W 9 mph
Barometer 29.71 in (1005.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Sep 3:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 55. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 55 °F

  • Sunday

    Sunday: Isolated showers between 9am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Isolated
    Showers and
    Breezy

    High: 67 °F

  • Sunday
    Night

    Sunday Night: Isolated showers before 10pm. Mostly clear, with a low around 48. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    Isolated
    Showers then
    Mostly Clear

    Low: 48 °F

  • Monday

    Monday: Mostly sunny, with a high near 62. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Mostly Sunny
    and Breezy

    High: 62 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Partly Cloudy

    Low: 41 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    Mostly Sunny

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 37.

    Mostly Clear

    Low: 37 °F

  • Wednesday

    Wednesday: Patchy frost before 8am. Otherwise, sunny, with a high near 57.

    Patchy Frost
    then Sunny

    High: 57 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 38.

    Mostly Clear

    Low: 38 °F

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 55. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Isolated showers between 9am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers before 10pm. Mostly clear, with a low around 48. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 62. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Patchy frost before 8am. Otherwise, sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 67.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
Last Update:
3:59 am CDT Sep 25, 2022
Forecast Valid:
4am CDT Sep 25, 2022-6pm CDT Oct 1, 2022
 
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