Interactive NWS Alert

Radar valid at 1200 pm CDT, Aug 13th 2026

IAC011-031-057-087-095-101-103-105-107-111-113-115-139-177-183-
ILC067-071-109-131-187-131700-
/O.EXT.KDVN.SV.A.0581.000000T0000Z-260813T1700Z/

SEVERE THUNDERSTORM WATCH 581...PREVIOUSLY IN EFFECT UNTIL 11 AM
CDT THIS MORNING...IS NOW IN EFFECT UNTIL NOON CDT TODAY FOR THE
FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 5 COUNTIES

IN NORTHWEST ILLINOIS

MERCER

IN WEST CENTRAL ILLINOIS

HANCOCK HENDERSON MCDONOUGH
WARREN

IN IOWA THIS WATCH INCLUDES 15 COUNTIES

IN EAST CENTRAL IOWA

BENTON CEDAR IOWA
JOHNSON JONES LINN
MUSCATINE

IN SOUTHEAST IOWA

DES MOINES HENRY IA JEFFERSON
KEOKUK LEE LOUISA
VAN BUREN WASHINGTON

THIS INCLUDES THE CITIES OF ALEDO, ANAMOSA, BURLINGTON, CARTHAGE,
CEDAR RAPIDS, FAIRFIELD, IOWA CITY, KEOKUK, KEOSAUQUA, MACOMB,
MARENGO, MONMOUTH, MOUNT PLEASANT, MUSCATINE, OQUAWKA, SIGOURNEY,
TIPTON, VINTON, WAPELLO, AND WASHINGTON.

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.