High 79, Cooling Early Evening, Scattered Showers Thunderstorms Arlington Heights, Chicago Weather Forecast Northwest

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O’HARE: 78°F LAKEFRONT: 74°F Saturday 8/20/2016 2:35:15 PM

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

NWS Forecast for: Amf Ohare IL
Issued by: National Weather Service Chicago, IL
Last Update: 1:16 pm CDT Aug 20, 2016

Hazardous Weather Outlook Below

This Afternoon: Scattered showers. Cloudy, with a high near 80. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Tonight: Isolated showers before 7pm and cooling to 70°F by 9:00 p.m.. Cloudy until 7:00 p.m., then gradually becoming partly cloudy, with a low around 60 about 6:00 a.m. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76. West northwest wind 10 to 15 mph.

Sunday Night: Mostly clear, with a low around 58. West northwest wind 5 to 10 mph.

Monday: Sunny, with a high near 78. West wind 5 to 10 mph becoming south southwest in the afternoon.

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

Tuesday: Sunny, with a high near 82.

Tuesday Night: Partly cloudy, with a low around 67.

Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 82.

Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69.

Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81.

Thursday Night: Partly cloudy, with a low around 61.

Friday: Mostly sunny, with a high near 77.

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Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 201649
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1149 AM CDT SAT AUG 20 2016

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
211700-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
1149 AM CDT SAT AUG 20 2016 /1249 PM EDT SAT AUG 20 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS…
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE…THIS AFTERNOON AND TONIGHT.

WEATHER HAZARDS EXPECTED:
LIMITED THUNDERSTORM RISK…WITH AN ASSOCIATED:
LIMITED THUNDERSTORM WIND DAMAGE RISK…UP TO 60 MPH.
HIGH SWIM RISK TONIGHT.

DISCUSSION:

SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS WILL MOVE WEST TO
EAST ACROSS THE AREA THIS AFTERNOON. A FEW OF THESE STORMS COULD
BECOME STRONG ACROSS NORTHWEST INDIANA WITH GUSTY WINDS…BUT FEEL
THAT THIS THREAT WOULD BE FAIRLY ISOLATED.

.DAYS TWO THROUGH SEVEN…SUNDAY THROUGH FRIDAY.

TUESDAY…
LIMITED THUNDERSTORM RISK.
WEDNESDAY…
ELEVATED THUNDERSTORM RISK.
THURSDAY…
LIMITED THUNDERSTORM RISK.

.SPOTTER INFORMATION STATEMENT…

SPOTTER ACTIVATION CANNOT BE RULED OUT OVER NORTHWEST INDIANA LATER
THIS AFTERNOON…BUT IS NOT ANTICIPATED AT THIS TIME.

GENERAL STORM MOTION OF THE DAY:

MOVING EAST AT 25 MPH.

&&

$$

LMZ740>745-211700-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
1149 AM CDT SAT AUG 20 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE…THIS AFTERNOON AND TONIGHT.

OCCASIONAL THUNDERSTORMS ARE EXPECTED TODAY. SOME OF THE STORMS
MAY PRODUCE WIND GUSTS IN EXCESS OF 35 KT.

STRONG WINDS AND HIGH WAVES WILL LEAD TO HAZARDOUS CONDITIONS FOR
SMALL CRAFT THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN…SUNDAY THROUGH FRIDAY.

STRONG WINDS AND HIGH WAVES WILL CONTINUE TO LEAD TO HAZARDOUS
CONDITIONS FOR SMALL CRAFT INTO SUNDAY AFTERNOON.

THERE IS A GOOD CHANCE FOR THUNDERSTORMS LATE WEDNESDAY INTO
THURSDAY.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-211700-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1149 AM CDT SAT AUG 20 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE…THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TODAY.

GALE FORCE WINDS ARE EXPECTED OVER THE NORTHERN THIRD OF THE
LAKE TONIGHT.

.DAYS TWO THROUGH SEVEN…SUNDAY THROUGH FRIDAY.

GALE FORCE WINDS ARE EXPECTED TO CONTINUE OVER THE NORTHERN THIRD
OF THE LAKE THROUGH SUNDAY MORNING.

THERE IS A GOOD CHANCE FOR THUNDERSTORMS LATE WEDNESDAY INTO
THURSDAY.

&&

$$

KMD