Issued by: National Weather Service Chicago, IL
Last Update: 2:17 pm CDT Apr 8, 2015
Hazardous Weather Outlook BELOW
This Afternoon: Mostly cloudy, with a high near 49. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Low around 43. Northeast wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a high near 73. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Friday: Mostly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night: Mostly clear, with a low around 37.
Saturday: Sunny, with a high near 59.
Saturday Night: Partly cloudy, with a low around 43.
Sunday: A slight chance of showers. Partly sunny, with a high near 64.
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 66.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday: A chance of showers. Partly sunny, with a high near 66.
Amf Ohare IL
41.98°N 87.9°W
Visit your local NWS office at: http://www.crh.noaa.gov/lot
Hazardous Weather Outlook
Issued by NWS Chicago, IL
000
FLUS43 KLOT 081655
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1155 AM CDT WED APR 8 2015
2:34pm CDT #SPC Day1 Outlook Moderate Risk: late this afternoon and evening from parts of... http://t.co/GtEvHPMjG6 pic.twitter.com/AAYMSkslJF
— NWS SPC (@NWSSPC) April 8, 2015
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
091700-
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-
1155 AM CDT WED APR 8 2015
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...SOME MAY PRODUCE:
LOCALLY HEAVY RAINFALL RESULTING IN LOCALIZED FLOODING.
HAIL TO TWO INCHES IN DIAMETER.
WIND GUSTS TO 60 MPH.
BRIEF TORNADO.
FREQUENT CLOUD TO GROUND LIGHTNING.
AREAS AFFECTED AND TIMING:
SCATTERED THUNDERSTORMS ARE LIKELY TO INCREASE IN COVERAGE FROM
WESTERN ILLINOIS ACROSS NORTHERN ILLINOIS DURING THE MID TO
LATE AFTERNOON...WITH THE GREATEST COVERAGE ACROSS THE AREA
BEING TONIGHT.
DISCUSSION:
AS THUNDERSTORMS ACROSS WESTERN ILLINOIS EARLY THIS AFTERNOON
APPROACH THE AREA...THEY WILL LIKELY INCREASE IN COVERAGE
AND IN INTENSITY...ESPECIALLY DURING THE EVENING. SEVERE STORMS
ARE POSSIBLE THROUGHOUT THE DURATION OF THE STORMS...WITH LARGE
HAIL BEING THE GREATEST THREAT. THERE IS AN OUTSIDE CHANCE THAT
SOME OF THE STORMS CLOSEST TO THE WARM FRONTAL
BOUNDARY...NAMELY ALONG AND SOUTH OF U.S. HIGHWAY 24...COULD
PRODUCE STRONG WINDS OR EVEN A BRIEF TORNADO.
IN ADDITION...AREAS OF DENSE FOG ARE LIKELY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE THREAT EXISTS FOR AN OUTBREAK OF SEVERE WEATHER
THUNDERSTORMS...INCLUDING THE POTENTIAL FOR TORNADOES...LATE
THURSDAY AFTERNOON INTO THURSDAY EVENING. ALL OF THE INGREDIENTS
NEED TO COME TOGETHER JUST RIGHT FOR A SIGNIFICANT SEVERE WEATHER
OUTBREAK...AND IF EVEN JUST ONE INGREDIENT FAILS TO MATERIALIZE
THE THREAT DECREASES SUBSTANTIALLY. EARLY INDICATIONS ARE THAT
MANY OF THE INGREDIENTS FOR A SIGNIFICANT OUTBREAK OF SEVERE
THUNDERSTORMS COULD BE IN PLACE THURSDAY AND LATER FORECASTS
AND OUTLOOKS SHOULD BE CLOSELY MONITORED.
THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY NIGHT AND MONDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY LATER THIS AFTERNOON INTO
TONIGHT...AND IS PROBABLE FOR A PERIOD ON THURSDAY AFTERNOON AND
EVENING.
&&
$$
LMZ740>745-091700-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
1155 AM CDT WED APR 8 2015
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
STRONG WINDS AND HIGH WAVES WILL LEAD TO HAZARDOUS CONDITIONS FOR
SMALL CRAFT.
AREAS OF DENSE FOG ARE LIKELY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
STRONG WINDS AND HIGH WAVES WILL LIKELY PRODUCE HAZARDOUS
CONDITIONS FOR SMALL CRAFT THURSDAY AND FRIDAY.
THUNDERSTORMS ARE LIKELY THURSDAY EVENING. SOME STORMS COULD BE
SEVERE THURSDAY AFTERNOON AND EVENING.
THERE IS ANOTHER CHANCE OF THUNDERSTORMS SUNDAY NIGHT AND MONDAY.
&&
$$
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-091700-
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-
1155 AM CDT WED APR 8 2015
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
AREAS OF DENSE FOG ARE POSSIBLE ON SOUTHERN LAKE MICHIGAN.
THUNDERSTORMS ARE LIKELY TONIGHT ACROSS THE SOUTH HALF OF THE
LAKE.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THUNDERSTORMS ARE LIKELY OVER MAINLY THE SOUTH HALF OF THE LAKE
THURSDAY AND THURSDAY EVENING. SOME STORMS COULD BE SEVERE
THURSDAY AFTERNOON AND EVENING.
THERE IS ANOTHER CHANCE OF THUNDERSTORMS OVER THE SOUTHERN PART
OF THE LAKE SUNDAY NIGHT AND MONDAY.
&&
$$
MTF
CURRENT NWS CHICAGO HAZARDOUS WEATHER PAGE:
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