Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through 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.

Partly Cloudy

77°F

25°C

Humidity	56%
Wind Speed	E 7 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	2 Sep 3:51 pm CDT

More Information:

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

Extended Forecast for

Winthrop Harbor IL

Tonight
Low: 62 °F
Mostly Clear
then Slight
Chance
Showers
Wednesday
High: 72 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 48 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 67 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Slight Chance
Showers then
Chance
Showers and
Breezy
Friday
High: 65 °F
Mostly Sunny
and Breezy
Friday Night
Low: 49 °F
Partly Cloudy
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 50 °F
Mostly Clear

Detailed Forecast

Tonight

A 10 percent chance of showers after 5am. Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph becoming southwest after midnight.

Wednesday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Northwest wind around 10 mph.

Thursday

Mostly sunny, with a high near 67. Northwest wind around 10 mph.

Thursday Night

A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. Breezy, with a southwest wind 10 to 20 mph.

Friday

Mostly sunny, with a high near 65. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

Friday Night

Partly cloudy, with a low around 49. West wind around 10 mph.

Saturday

Mostly sunny, with a high near 67. West wind 10 to 15 mph.

Saturday Night

Mostly clear, with a low around 50.