Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

28°F

-2°C

Humidity 69%
Wind Speed W 7 mph
Barometer 30.09 in (1020.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 21 Feb 8:51 am CST
Extended Forecast for

Long Lake IL

  • Today

    Today: A chance of flurries between 1pm and 5pm, then a slight chance of snow after 5pm.  Cloudy, with a high near 33. West northwest wind 10 to 15 mph.  Chance of precipitation is 20%.

    High: 33 °F

    Cloudy then
    Slight Chance
    Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 9pm.  Cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon.  Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 16. Wind chill values as low as zero. North northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon.  Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
A chance of flurries between 1pm and 5pm, then a slight chance of snow after 5pm. Cloudy, with a high near 33. West northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of snow, mainly after 9pm. Cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Wind chill values as low as zero. North northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 28. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 45.
Wednesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
9:01 am CST Feb 21, 2026
9am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database