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, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

66°F

19°C

Humidity	70%
Wind Speed	S 9 mph
Barometer	29.68 in (1004.8 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	18 Oct 2:51 am CDT

More Information:

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

Extended Forecast for

Harwood Heights IL

Overnight
Low: 63 °F
Chance
T-storms
Saturday
High: 74 °F
Showers then
Chance
T-storms
Saturday Night
Low: 52 °F
Showers
Sunday
High: 58 °F
Rain and
Breezy
Sunday Night
Low: 43 °F
Mostly Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 46 °F
Chance
Showers
Tuesday
High: 54 °F
Mostly Sunny
then Chance
Showers and
Breezy
Tuesday Night
Low: 41 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 63. South southwest wind around 10 mph, with gusts as high as 20 mph.

Saturday

Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 74. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 52. South southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Rain, mainly before 1pm. High near 58. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

Sunday Night

Mostly clear, with a low around 43. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 65.

Monday Night

A 50 percent chance of showers. Partly cloudy, with a low around 46.

Tuesday

A chance of showers after 1pm. Mostly sunny, with a high near 54. Breezy.

Tuesday Night

Partly cloudy, with a low around 41.