414
FLUS43 KDVN 181012
HWODVN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
512 AM CDT THU JUL 18 2019
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-191000-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
512 AM CDT THU JUL 18 2019
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.
DAY ONE
TODAY AND TONIGHT
THUNDERSTORMS WILL CONTINUE ACROSS THE OUTLOOK AREA THIS MORNING,
ESPECIALLY NORTH OF INTERSTATE 80. GUSTY WINDS, SMALL HAIL AND
LOCALLY HEAVY RAINFALL MAY OCCUR WITH THE STRONGER STORM CELLS.
THE HEAVY RAIN MAY PRODUCE PONDING OF WATER, AS WELL AS URBAN AND
SMALL STREAM FLOODING ESPECIALLY IN AREAS OF REPEATED STORMS.
THERE WILL BE AT LEAST A LOW CHANCE FOR MORE STRONG STORMS MOVING
DOWN OUT OF MINNESOTA AND WISCONSIN LATER TONIGHT, AFFECTING
AREAS MAINLY NORTH OF THE HIGHWAY 30 CORRIDOR. GUSTY WINDS AND
HEAVY RAIN WOULD BE THE MAIN THREATS FROM ANY STORM THAT MANAGES
TO MAKE IT DOWN THIS FAR SOUTH. THERE IS A MARGINAL RISK FOR
SEVERE WEATHER TODAY AND TONIGHT FOR AREAS GENERALLY ALONG AND
NORTH OF INTERSTATE 80.
AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR THE ENTIRE
OUTLOOK AREA. HIGH HEAT INDEX READINGS OF 100 TO 110 ARE EXPECTED
TODAY.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY
AN EXCESSIVE HEAT WARNING CONTINUES IN EFFECT FOR THE OUTLOOK
AREA THROUGH SATURDAY. DANGEROUS HEAT INDEX READINGS OF 100 TO
110 ARE EXPECTED.
THE NEXT MAIN CHANCE FOR THUNDERSTORMS WILL OCCUR LATE SATURDAY
AND ESPECIALLY SATURDAY NIGHT, AS A COLD FRONT MOVES THROUGH THE
REGION BRINGING AN END TO THE DANGEROUS HEAT. EARLY INDICATIONS
ARE THAT STRONG TO SEVERE STORMS WILL BE POSSIBLE, AS WELL AS THE
THREAT FOR HEAVY RAIN AND FLASH FLOODING. MUCH OF THE OUTLOOK
AREA HAS BEEN PLACED IN A MARGINAL RISK FOR SEVERE WEATHER
SATURDAY.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT OVER PORTIONS
OF THE OUTLOOK AREA, ESPECIALLY NORTH OF INTERSTATE 80.
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