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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 PM CDT MON MAY 4 2015

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
052045-
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-
345 PM CDT MON MAY 4 2015

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

.DAY ONE...TONIGHT.

  WEATHER HAZARDS EXPECTED:

  SCATTERED THUNDERSTORMS...SOME MAY PRODUCE:
SMALL HAIL.
    HEAVY RAIN.
    FREQUENT CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

 ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THIS
 AFTERNOON...MAINLY SOUTH OF I-80. SHOWERS AND STORMS WILL SPREAD
 NORTH AND LIKELY INCREASE IN COVERAGE TONIGHT.

  DISCUSSION:

 A COLD FRONT IS ALONG THE INTERSTATE 80 CORRIDOR LATE THIS
 AFTERNOON. THUNDERSTORMS ARE POSSIBLE ALONG AND SOUTH OF THE
 FRONT INTO THIS EVENING. AN UPPER LEVEL DISTURBANCE WILL MOVE
 ACROSS THE AREA LATE THIS EVENING INTO TONIGHT LEADING TO
 ADDITIONAL THUNDERSTORMS. LITTLE IF ANY SEVERE WEATHER IS
 ANTICIPATED BUT SOME SMALL HAIL AND HEAVY DOWNPOURS ARE
 POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

PERIODIC CHANCES OF THUNDERSTORMS EXIST THROUGH THE WEEKEND WITH
THE BEST CHANCES TUESDAY...AND FRIDAY THROUGH THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$



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