Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fog/Mist

39°F

4°C

Humidity	96%
Wind Speed	W 7 mph
Barometer	29.68 in (1006.0 mb)
Dewpoint	38°F (3°C)
Visibility	4.00 mi
Wind Chill	34°F (1°C)
Last update	6 Jan 6:51 pm CST

More Information:

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

Extended Forecast for

Zion IL

Tonight
Low: 33 °F
Patchy
Drizzle and
Patchy Fog
then Patchy
Fog
Wednesday
High: 41 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 37 °F
Increasing
Clouds
Thursday
High: 43 °F
Slight Chance
Rain then
Rain
Thursday Night
Low: 39 °F
Rain then
Chance Rain
Friday
High: 42 °F
Slight Chance
Rain
Friday Night
Low: 33 °F
Chance Rain
Saturday
High: 38 °F
Rain Likely
then Chance
Rain/Snow
Saturday Night
Low: 23 °F
Chance Snow

Detailed Forecast

Tonight

Patchy drizzle and fog with isolated showers before 9pm, then patchy drizzle between 9pm and 10pm. Cloudy, with a low around 33. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Wednesday

Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 41. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night

Increasing clouds, with a low around 37. South southwest wind around 10 mph, with gusts as high as 15 mph.

Thursday

Rain, mainly after noon. High near 43. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Thursday Night

Rain, mainly before midnight. Low around 39. Southeast wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

Friday

A 20 percent chance of rain. Mostly cloudy, with a high near 42.

Friday Night

A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 33.

Saturday

Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 38.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 23.

Sunday

Partly sunny, with a high near 31.

Sunday Night

Partly cloudy, with a low around 24.