432
FLUS43 KDVN 182007
HWODVN
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
307 PM CDT FRI SEP 18 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-192015-
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 PM CDT FRI SEP 18 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
THIS AFTERNOON AND TONIGHT
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE LIKELY TO
DEVELOP THIS EVENING, MAINLY NORTH OF HIGHWAY 30. PRIMARY HAZARD
WILL BE GUSTY WINDS AND HEAVY RAIN.
ANOTHER ROUND OF HEAVY RAIN WITH EMBEDDED THUNDER IS LIKELY NORTH
OF I-80 LATE TONIGHT. A FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF
EAST-CENTRAL IOWA AND FAR NORTHWESTERN ILLINOIS THROUGH SATURDAY.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY
ADDITIONAL ROUNDS OF RAIN WITH EMBEDDED THUNDERSTORMS ARE
EXPECTED THROUGH SUNDAY. THE PRIMARY RISKS WITH EACH ROUND WILL
BE LIGHTNING AND HEAVY RAINFALL. RISES ON AREA TRIBUTARY RIVERS
MAY RESULT IN FLOODING.
THERE IS A MARGINAL RISK, LEVEL 1 OUT OF 5, FOR ISOLATED SEVERE
STORMS SATURDAY AFTERNOON AND EVENING. THE PRIMARY SEVERE HAZARD
WILL BE DAMAGING WINDS.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS POSSIBLE TONIGHT AND SATURDAY.
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