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Major Hurricane Lane Nudging Closer to Hawaii; Locally Heavy Rain in Southwest; Air Quality Issues in Northwest

Major Hurricane Lane continues to inch closer to Hawaii with Hurricane Warning in effect for Hawaii County, Hurricane Watches for Maui County and Oahu and a flash flood watch for all of Hawaii. Meanwhile, monsoon moisture may produce locally heavy rain and flash flooding in the Four Corners. Finally, air quality concerns persist across the Northwest with smoke from ongoing western wildfires. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

60°F

16°C

Humidity 75%
Wind Speed NW 6 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Aug 1:55 am CDT
Extended Forecast for

McHenry IL

  • Overnight

    Overnight: Clear, with a low around 53. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Clear

    Low: 53 °F

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 53. West wind around 5 mph.

    Clear

    Low: 53 °F

  • Thursday

    Thursday: Sunny, with a high near 77. West wind 5 to 10 mph.

    Sunny

    High: 77 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 5 to 10 mph.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 59 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.

    T-storms
    Likely and
    Breezy

    High: 70 °F

  • Friday
    Night

    Friday Night: A chance of freezing rain, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Chance
    Freezing Rain

    Low: 64 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 69.

    Mostly Clear

    Low: 69 °F

Detailed Forecast

Overnight
Clear, with a low around 53. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Sunny, with a high near 76. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 53. West wind around 5 mph.
Thursday
Sunny, with a high near 77. West wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Friday
Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of freezing rain, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 91.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
McHenry IL
 42.34°N 88.26°W
Last Update:
2:16 am CDT Aug 22, 2018
Forecast Valid:
2am CDT Aug 22, 2018-6pm CDT Aug 28, 2018
 
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