Hot 91°F with High Heat Index and Slight Chance of Severe Thunderstorm, Arlington Heights, Chicago Weather Forecast Northwest

Severe thunderstorms could develop quickly with severe lightning, hail and damaging winds. Although thunderstorms are not a sure thing for all areas in northeast Illinois, there could be dangerous lightning. The greatest chance for storms is between 3:00 p.m. and 6:00 p.m. Temperatures were already in the mid-80s by 10:00 a.m., in the upper 80s by 11:00 a.m., and 90°F by noon with dew points in the low 70s and rising or holding since 5:50 a.m. Wednesday morning July 10, 2019.

Temperatures were mild overnight Tuesday/Wednesday, holding in the upper 70s all night with a balmy southwest breeze.

Although no heat advisories or warnings were activated by the National Weather Service as of 12:15 p.m., emergency medical calls for heat illnesses and power outages are likely to increase today.

Weather Radar (also nexrad.chgowx.com) in northeast Illinois was clear at 10:50 a.m.







 O’HARE FORECAST … 

This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, with a high near 91. Heat index values as high as 97. West southwest wind 10 to 15 mph.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 69. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

Thursday: Partly sunny, with a high near 80. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.

Thursday Night: Mostly clear, with a low around 62. North wind around 5 mph.

Friday: Sunny, with a high near 87. North wind around 5 mph becoming calm.

Friday Night: Mostly clear, with a low around 69.

Saturday: Mostly sunny, with a high near 90.

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

Sunday: Mostly sunny, with a high near 88.

Sunday Night: Partly cloudy, with a low around 70.

Monday: Mostly sunny, with a high near 92.

Monday Night: Partly cloudy, with a low around 72.

Tuesday: Mostly sunny, with a high near 93.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
906 AM CDT Wed Jul 10 2019…correction to wilmette buoy temp

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….75.

CHICAGO CRIB……….75.

WILMETTE BUOY……….71.

WAUKEGAN BUOY……….66.

WINTHROP HARBOR BUOY……….65.

MICHIGAN CITY……….65.

MICHIGAN CITY BUOY……….71.

SOUTH MID LAKE BUOY……….64.

NORTH MID LAKE BUOY……….61.

&&

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.

july.chicagoweatherstation.com

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