Severe Thunderstorm Watch, Thunderstorms Overnight, Arlington Heights, Chicago Weather Forecast Northwest

Conditions of an unstable atmosphere are favorable for thunderstorms overnight. Then a period of thunderstorms are possible through Tuesday until about 7 p.m. when rainfall amount for Arlington Heights through the period Sunday night through Tuesday night may total about 1 inch. Most counties in northeast Illinois north of I-88 are under a Severe Thunderstorm Watch until 1:00 a.m. Monday August 6, 2018.

Weather Radar (also nexrad.chgowx.com) shows storms holding together as they approach Rockford. The storms have weakened considerably since they crossed the Illinois-Iowa border. The storms are moving in an east-northeast direction. An outflow boundary or gust front passed the western border of Kane County about 8:45 p.m. The thunderstorms are expected to pass over Arlington Heights and nearby communities from 9:45 p.m. until 10:30 p.m.








 O’HARE FORECAST … 

Tonight: Showers and thunderstorms likely, mainly before midnight. Some storms could be severe, with large hail and damaging winds. Partly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. West southwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. North wind 5 to 10 mph becoming east northeast in the morning.

Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. North wind 5 to 10 mph.

Wednesday: Mostly sunny, with a high near 83.

Wednesday Night: Mostly clear, with a low around 66.

Thursday: Sunny, with a high near 86.

Thursday Night: Partly cloudy, with a low around 69.

Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Friday Night: Mostly clear, with a low around 66.

Saturday: Sunny, with a high near 84.

Saturday Night: Mostly clear, with a low around 66.

Sunday: Sunny, with a high near 84.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
913 AM CDT Sun Aug 5 2018

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….78.

CHICAGO CRIB……….75.

WILMETTE BUOY……….73.

WAUKEGAN BUOY……….70.

WINTHROP HARBOR BUOY……….67.

MICHIGAN CITY……….69.

MICHIGAN CITY BUOY……….74.

SOUTH MID LAKE BUOY……….74.

NORTH MID LAKE BUOY……….70.

august.chicagoweatherstation.com

Arlingtoncardinal.com/radar

Chicago Weather Forecast for your MAC/PC/TABLET includes surrounding suburbs.

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