Thunderstorms Moving In From Wisconsin, Temperature Drop, Heavy Rain Possible 5:35 PM to 7:00 P

EXCESSIVE HEAT WARNING ENDING SOON, THUNDERSTORMS TONIGHT

Humidity has been high today with Dew Points staying in the low 70s through about 3:00 p.m. The high temperature at O’Hare at 2:51 p.m. and 4:51 p.m. was 94°F. the Heat Index was 100°F at 2:51 p.m. at O’Hare.


The air temperature is expected to drop sharply between 6:00 p.m. and 7:00 p.m., falling to 73°F by 8:00 p.m. The greatest chance for thunderstorms are between 7:00 p.m. and 9:00 p.m. Arlington Heights and the nearby northwest suburbs may get about 0.9″ to 1.0″ of rain by midnight, and maybe much higher locally in some thunderstorms, which should arrive in Arlington Heights by 5:35 p.m..

Weather Radar (also nexrad.chgowx.com) shows a line of thunderstorms from Muskegon, Michigan; across Lake Michigan and across the entire length of the Illinois-Wisconsin State Line, moving southeast. The front edge of the thunderstorms was almost half way across Lake County and McHenry County at 5:10 p.m. Also, a light outer flow boundary was just starting to cross the Lake-Cook boundary at 5:20 p.m.








 O’HARE FORECAST … 

This Afternoon: Mostly sunny, with a high near 94. Heat index values as high as 101. West southwest wind around 15 mph, with gusts as high as 20 mph.

Tonight: Showers and thunderstorms, mainly before 2am. Low around 65. West southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: A 40 percent chance of showers and thunderstorms after 8am. Cloudy, with a high near 75. Northeast wind around 5 mph.

Tuesday Night: Showers and thunderstorms likely, mainly between 8pm and 2am. Cloudy, with a low around 63. North northeast wind 5 to 10 mph. Chance of precipitation is 60%.

Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 74. Northeast wind 5 to 10 mph.

Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 62.

Thursday: Partly sunny, with a high near 77.

Thursday Night: Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 61.

Friday: Showers and thunderstorms likely. Cloudy, with a high near 73.

Friday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 63.

Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.

Sunday Night: Mostly cloudy, with a low around 64.

Monday: Mostly sunny, with a high near 81.

 LAKE TEMPS … 

SOUTHERN LAKE MICHIGAN WATER TEMPERATURES
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
909 AM CDT Mon Jun 18 2018

CHICAGO SHORE……….66.

CHICAGO CRIB……….57.

WILMETTE BUOY……….64.

MICHIGAN CITY……….53.

MICHIGAN CITY BUOY……….68.

SOUTH MID LAKE BUOY……….59.

NORTH MID LAKE BUOY……….41.

june.chicagoweatherstation.com

Arlingtoncardinal.com/radar

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

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