High 84, a Little Rain Tuesday, Upper 80s Wednesday, Low 90s Thursday for Arlington Heights, Chicago Weather Forecast Northwest

A weak cold front is arriving in northern Illinois, but temperatures will continue to be well above average. Precipitation which involved some lightning and thunder in northwest and north-central Illinois is diminishing as it moves west to east. By the time the thundershowers reach Arlington Heights and northwest Cook County about 9:00 a.m. to 9:30 a.m., the precipitation may only be light rain or sprinkles. If there is no precipitation today, the current streak of dry days will reach 12 — tying the most recent long dry period from March 14-25, 2018.

Weather Radar (also nexrad.chgowx.com) shows thunderstorms weakening as they enter western McHenry County and western Kane County about 8:25 a.m.








 O’HARE FORECAST … 

Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. North wind 5 to 15 mph, with gusts as high as 20 mph.

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph.

Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind around 5 mph.

Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 5 mph becoming south after midnight.

Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

Friday: Partly sunny, with a high near 74.

Friday Night: Mostly cloudy, with a low around 55.

Saturday: Mostly sunny, with a high near 67.

Saturday Night: Partly cloudy, with a low around 54.

Sunday: Mostly sunny, with a high near 72.

Sunday Night: Partly cloudy, with a low around 56.

Monday: Mostly sunny, with a high near 74.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
905 AM CDT Mon Sep 17 2018

LAKE MICHIGAN WATER TEMPERATURES…

CHICAGO SHORE……….75.

CHICAGO CRIB……….69.

WILMETTE BUOY……….71.

WAUKEGAN BUOY……….72.

WINTHROP HARBOR BUOY……….71.

MICHIGAN CITY……….58.

MICHIGAN CITY BUOY……….70.

SOUTH MID LAKE BUOY……….71.

NORTH MID LAKE BUOY……….69.

&&

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.

september.chicagoweatherstation.com

Arlingtoncardinal.com/radar

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

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