Interactive NWS Alert

Radar valid at 615 pm CDT, Aug 19th 2026

IAZ089-099-ILZ025-026-034-035-192315-
Warren IL-Henderson IL-McDonough IL-Hancock IL-Des Moines IA-Lee IA-
512 PM CDT Wed Aug 19 2026

...Slow-moving thunderstorms will impact portions of Warren,
Henderson, McDonough, northern Hancock, south central Des Moines and
central Lee Counties through 615 PM CDT...

At 512 PM CDT, Doppler radar was tracking slow-moving thunderstorms
along a line extending from near Monmouth to near La Harpe to near
New Boston. Movement was southeast at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Strong winds could break small tree limbs and blow around
unsecured objects.

Locations impacted include...
Burlington, Macomb, Fort Madison, Monmouth, Carthage, Nauvoo,
Bushnell, West Burlington, Colchester, La Harpe, Roseville, West
Point, Dallas City, Donnellson, Montrose, Stronghurst, Avon,
Kirkwood, Blandinsville, and Industry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is occurring and may lead to localized flooding.
Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4064 9166 4078 9128 4097 9065 4089 9044
4028 9045 4028 9091 4026 9091
TIME...MOT...LOC 2212Z 299DEG 34KT 4084 9064 4055 9102 4058 9145

MAX HAIL SIZE...<0.75 IN
MAX WIND GUST...50 MPH

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