High 95°F, Heat Index High 110°F Friday for Arlington Heights, Chicago Weather Forecast Northwest

The overnight low was about 81°F and enough to start a good base for a very hot day. However, dew points in the mid-70s may hold back some of the extreme heat. Air temperature highs in the upper 90s are less likely when dew points reach the upper 70s and 80s. Instead of reaching 98°F to 100°F for the Friday high, we are likely to see a high of 95°F from about 4PM to 5PM. The high dew points (high humidity) are still an important factor in high heat indices, which are expected to reach 110°F about 4-5 PM Friday. Gusty winds of 24 MPH from the southwest will help reduce the stifling factor.

Weather Radar (also nexrad.chgowx.com) in northeast Illinois is clear.




 O’HARE FORECAST … 

EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY
… HIGH TEMPERATURES….94 to 98 degrees today and Saturday … MAXIMUM HEAT INDICES…Around 110 degrees today and Saturday.

This Afternoon: Mostly sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind around 15 mph, with gusts as high as 25 mph.

Tonight: Mostly clear, with a low around 81. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 73. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Sunday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. North wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night: Partly cloudy, with a low around 65.

Monday: Sunny, with a high near 79.

Monday Night: Clear, with a low around 62.

Tuesday: Sunny, with a high near 83.

Tuesday Night: Mostly clear, with a low around 65.

Wednesday: Sunny, with a high near 85.

Wednesday Night: Mostly clear, with a low around 68.

Thursday: Sunny, with a high near 86.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
857 AM CDT Fri Jul 19 2019

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….73.

CHICAGO CRIB……….67.

WILMETTE BUOY……….68.

WAUKEGAN BUOY……….64.

WINTHROP HARBOR BUOY……….55.

MICHIGAN CITY……….59.

MICHIGAN CITY BUOY……….74.

SOUTH MID LAKE BUOY……….68.

NORTH MID LAKE BUOY……….66.

&&

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

Arlingtoncardinal.com/radar

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