Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

66°F

19°C

Humidity	65%
Wind Speed	SW 13 mph
Barometer	29.70 in (1005.0 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	18 Oct 12:51 am CDT

More Information:

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

Extended Forecast for

Long Lake IL

Overnight
Low: 62 °F
Chance
T-storms
Saturday
High: 73 °F
Showers
Likely then
Chance
Showers
Saturday Night
Low: 48 °F
Chance
T-storms then
Showers
Sunday
High: 57 °F
Chance
Showers and
Breezy
Sunday Night
Low: 39 °F
Mostly Clear
Monday
High: 65 °F
Mostly Sunny
Monday Night
Low: 44 °F
Chance
Showers
Tuesday
High: 53 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. South southwest wind around 10 mph, with gusts as high as 20 mph.

Saturday

Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 48. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

A 50 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 57. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

Sunday Night

Mostly clear, with a low around 39. West wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

Mostly sunny, with a high near 65.

Monday Night

A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 44.

Tuesday

Partly sunny, with a high near 53. Breezy.

Tuesday Night

Partly cloudy, with a low around 38.

Wednesday

Sunny, with a high near 57.