Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43° N Lon: 87.86° W Elev: 709 ft.

Fair

35°F

2°C

Humidity 50%
Wind Speed NW 15 G 26 mph
Barometer 29.97 in (1015.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 13 Mar 8:51 pm CDT
Detailed forecast for

McHenry County

Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Blustery. Lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph, becoming north 5 to 10 mph after midnight.
Saturday
Cloudy. A slight chance of snow in the afternoon. A slight chance of rain late. Highs around 40. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.
Saturday Night
Cloudy. A chance of snow in the evening. A chance of rain in the late evening and early morning, then rain likely late. Little or no snow accumulation. Lows in the mid 30s. East winds 10 to 15 mph, increasing to 15 to 20 mph after midnight. Chance of precipitation 60 percent.
Sunday
Rain likely. A slight chance of thunderstorms in the afternoon. Windy with highs in the upper 50s. Southeast winds 15 to 25 mph, increasing to south 20 to 30 mph in the afternoon. Gusts up to 40 mph. Chance of precipitation near 100 percent.
Sunday Night
Rain in the evening. Snow. Areas of blowing and drifting snow after midnight. Several inches of accumulation. Windy with lows around 20. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation near 100 percent.
Monday
Cloudy. Snow likely, mainly in the morning. Areas of blowing and drifting snow in the morning, then patchy blowing and drifting snow in the afternoon. Some snow accumulation possible. Windy with highs in the lower 20s. Chance of precipitation 70 percent.
Monday Night
Mostly cloudy in the evening, then becoming partly cloudy. Blustery with lows 5 to 10 above. Wind chill values as low as 10 below after midnight.
Tuesday
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the lower 20s. Wind chill values as low as 10 below in the morning.
Tuesday Night
Mostly cloudy with a 50 percent chance of snow showers. Lows around 15.
Wednesday
Mostly cloudy in the morning, then clearing. Highs in the lower 40s.
Wednesday Night
Partly cloudy. Lows around 30.
Thursday
Partly cloudy in the morning, then becoming mostly cloudy. Highs around 50.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s.
Friday
Mostly cloudy. Highs around 50.



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626 PM CDT Fri Mar 13 2026
 
 

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