National Weather Service

News Headlines

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

17°F

-8°C

Humidity	92%
Wind Speed	W 3 mph
Barometer	29.99 in (1017.5 mb)
Dewpoint	15°F (-9°C)
Visibility	2.50 mi
Last update	2 Dec 7:51 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Zion IL

Today
High: 24 °F
Partly Sunny
Tonight
Low: 21 °F⇑
Cloudy
Wednesday
High: 33 °F
Snow Likely
Wednesday Night
Low: 4 °F
Slight Chance
Snow then
Partly Cloudy
Thursday
High: 16 °F
Sunny
Thursday Night
Low: 6 °F
Partly Cloudy
Friday
High: 26 °F
Partly Sunny
then Slight
Chance Snow
Friday Night
Low: 18 °F
Chance Snow
then Mostly
Cloudy
Saturday
High: 28 °F
Mostly Cloudy

Detailed Forecast

Today

Partly sunny, with a high near 24. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

Tonight

Cloudy, with a temperature rising to around 24 by 4am. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday

Snow likely, mainly after noon. Cloudy, with a high near 33. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -9. Northwest wind around 10 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 16. Northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

Thursday Night

Partly cloudy, with a low around 6.

Friday

A 20 percent chance of snow after noon. Partly sunny, with a high near 26.

Friday Night

A chance of snow before midnight. Mostly cloudy, with a low around 18.

Saturday

Mostly cloudy, with a high near 28.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 16.