684
FLUS43 KDVN 040807
HWODVN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
307 AM CDT FRI SEP 4 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-050815-
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-
307 AM CDT FRI SEP 4 2026
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
IMPACTFUL HEAT AND HUMIDITY CONTINUES ACROSS THE AREA TODAY AND
TONIGHT WITH HEAT HEADLINES FOR THE ENTIRE AREA. PEAK HEAT
INDICES OF 100 TO 110 ARE EXPECTED.
ISOLATED STRONG STORMS ARE POSSIBLE NORTH OF HIGHWAY 30 TODAY AND
AGAIN TONIGHT. LIGHTNING AND BRIEF DOWNPOURS ARE THE PRIMARY
RISKS.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY
THERE IS A NEAR DAILY RISK OF ISOLATED THUNDERSTORMS WITH AREAS
NORTH OF HIGHWAY 30 BEING FAVORED. A FEW OF THESE STORMS MAY BE
STRONG. THE PRIMARY RISKS ARE LIGHTNING AND BRIEF DOWNPOURS.
HEAT AND HUMIDITY WILL SURGE BACK INTO THE AREA TUESDAY AND
WEDNESDAY WITH HEAT INDICES APPROACHING 100.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
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