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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Snow

9°F

-13°C

Humidity 77%
Wind Speed W 14 G 28 mph
Barometer 29.90 in (1015.0 mb)
Dewpoint 3°F (-16°C)
Visibility 2.50 mi
Wind Chill-7°F (-22°C)
Last update 19 Jan 4:51 am CST
Extended Forecast for

McHenry IL

Cold Weather Advisory January 19, 05:25am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 05:25am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • Overnight

    Low: 6 °F

    Scattered
    Snow Showers
    and Areas
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Scattered snow showers before 10am, then scattered flurries between 10am and noon. Areas of blowing snow before noon. Partly sunny and cold, with a steady temperature around 2. Wind chill values as low as -24. Blustery, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

    High: 2 °F

    Scattered
    Snow Showers
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -14. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 19. Wind chill values as low as -12. West wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 19 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after midnight. Low around 12. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 12 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered snow showers. Areas of blowing snow. Mostly cloudy, with a steady temperature around 6. Wind chill values as low as -16. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
M.L.King Day
Scattered snow showers before 10am, then scattered flurries between 10am and noon. Areas of blowing snow before noon. Partly sunny and cold, with a steady temperature around 2. Wind chill values as low as -24. Blustery, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -14. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 19. Wind chill values as low as -12. West wind 5 to 10 mph becoming south southwest in the afternoon.
Tuesday Night
Snow, mainly after midnight. Low around 12. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 27.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Mostly cloudy, with a low around -4.
Friday
Partly sunny and cold, with a high near 3.
Friday Night
Partly cloudy, with a low around -14.
Saturday
Mostly sunny and cold, with a high near 3.
Saturday Night
Partly cloudy, with a low around -7.
Sunday
Mostly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McHenry IL
 42.32°N 88.26°W
Last Update:
4:35 am CST Jan 19, 2026
Forecast Valid:
5am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation