Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

15°F

-9°C

Humidity 84%
Wind Speed NW 6 mph
Barometer 30.17 in (1023.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 3 Feb 4:51 am CST
Extended Forecast for

McHenry IL

  • Today

    Today: Sunny, with a high near 24. North wind 5 to 10 mph.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 8. Wind chill values as low as zero. North northwest wind around 5 mph.

    Low: 8 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Wind chill values as low as -2. North northwest wind 5 to 10 mph.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Northwest wind around 5 mph becoming calm.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 24. North wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 8. Wind chill values as low as zero. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 25. Wind chill values as low as -2. North northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 10. Northwest wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 32. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
McHenry IL
 42.34°N 88.26°W
4:51 am CST Feb 3, 2026
4am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
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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