Severe Thunderstorms Possible, High 84 (Heat Index 89) about 3PM, Arlington Heights, Chicago Weather Forecast Northwest

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There is a possibility of increasing coverage and intensity of thunderstorms this morning through afternoon Sunday. The greatest chance of severe weather and heavy rain is between 7:30 a.m. and 10:00 a.m. A Severe Thunderstorm Watch was activated by the National Weather Service at 6:05 a.m. The first Severe Thunderstorm Warning today for Cook County was issued at 8:00 a.m.; however the severe weather is predominantly going to pass south of Arlington Heights and most of the northwest suburbs. A second area of severe storms could target Arlington Heights and the northwest suburbs, but is currently northwest of Peoria — about 90 minutes away at 7:20 a.m. (estimated arrival 8:50 a.m.).

Weather Radar (also nexrad.chgowx.com) shows two areas of thunderstorms. One is a thin line of potentially severe thunderstorms from south McHenry, east Kane, Will, and southwest Cook County. A much larger area of potentially severe thunderstorms and heavy rain from southwest Wisconsin to Rockford to Quad Cities and Peoria. The storms are moving from southwest to northeast.




 O’HARE FORECAST … 

Today: Showers and thunderstorms, mainly before 11am. High near 87. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.

Monday: A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 83. North wind around 5 mph becoming east northeast in the afternoon.

Monday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.

Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 71.

Wednesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

Wednesday Night: Mostly clear, with a low around 62.

Thursday: Mostly sunny, with a high near 78.

Thursday Night: Mostly clear, with a low around 60.

Friday: Mostly sunny, with a high near 79.

Friday Night: Partly cloudy, with a low around 62.

Saturday: A slight chance of showers. Partly sunny, with a high near 83.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
903 AM CDT Sat Aug 17 2019

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….80.

CHICAGO CRIB……….M.

WILMETTE BUOY……….74.

WAUKEGAN BUOY……….74.

WINTHROP HARBOR BUOY……….73.

MICHIGAN CITY……….73.

MICHIGAN CITY BUOY……….75.

SOUTH MID LAKE BUOY……….72.

NORTH MID LAKE BUOY……….70.

&&

M IS FOR MISSING DATA THAT IS NORMALLY AVAILABLE.

THE MICHIGAN CITY WATER TEMPERATURE SENSOR IS LOCATED AT A WATER
INTAKE ONE MILE OFFSHORE AND 60 FEET BELOW WATER SURFACE. IT IS READ
EVERY DAY OF THE YEAR.

august.chicagoweatherstation.com

Arlingtoncardinal.com/radar

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

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