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Radar valid at 1100 am CDT, Aug 13th 2026

alert legend

ILC067-071-109-131-187-131600-
/O.EXA.KDVN.SV.A.0581.000000T0000Z-260813T1600Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 581 TO INCLUDE THE FOLLOWING AREAS UNTIL 11 AM CDT THIS
MORNING

IN ILLINOIS THIS WATCH INCLUDES 5 COUNTIES

IN NORTHWEST ILLINOIS

MERCER

IN WEST CENTRAL ILLINOIS

HANCOCK HENDERSON MCDONOUGH
WARREN

THIS INCLUDES THE CITIES OF ALEDO, CARTHAGE, MACOMB, MONMOUTH,
AND OQUAWKA.

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