Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed Calm
Barometer 30.01 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 17 Aug 11:52 pm CDT
Extended Forecast for

Crystal Lake IL

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a steady temperature around 66. North wind around 5 mph.

    Patchy Fog

    Low: 66 °F

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 83. North wind around 5 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 61. North northeast wind around 5 mph.

    Mostly Clear

    Low: 61 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 83. North wind around 5 mph becoming calm.

    Mostly Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 65. East southeast wind around 5 mph.

    Partly Cloudy

    Low: 65 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 8am.  Mostly cloudy, with a high near 78.

    Chance
    Showers then
    Chance
    T-storms

    High: 78 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Cloudy, with a low around 64. Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 64 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers.  Mostly cloudy, with a high near 76.

    Showers
    Likely

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 55.

    Chance
    Showers then
    Mostly Clear

    Low: 55 °F

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a steady temperature around 66. North wind around 5 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 61. North northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 83. North wind around 5 mph becoming calm.
Sunday Night
Partly cloudy, with a low around 65. East southeast wind around 5 mph.
Monday
A 50 percent chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 78.
Monday Night
Showers and thunderstorms likely, mainly between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 64. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 79.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 58.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
11:16 pm CDT Aug 17, 2018
12am CDT Aug 18, 2018-6pm CDT Aug 23, 2018
 
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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