iNWS Alert

IAZ088-089-099-ILZ025-026-034-035-192215-
Warren IL-Henderson IL-McDonough IL-Hancock IL-Henry IA-
Des Moines IA-Lee IA-
423 PM CDT Wed Aug 19 2026

...Slow-moving thunderstorms will impact portions of Warren,
Henderson, northwestern McDonough, northeastern Hancock, southeastern
Henry, Des Moines and northern Lee Counties through 515 PM CDT...

At 422 PM CDT, Doppler radar was tracking slow-moving thunderstorms
along a line extending from near Little York to near Iowa Army
Ammunition Plant to near Pilot Grove. Movement was southeast at 25
mph.

HAZARD...Funnel clouds and possibly weak, brief tornadoes, and 50
mph winds.

SOURCE...Radar indicated.

IMPACT...Isolated damage to roofs, siding and trees is possible.

Locations impacted include...
Burlington, Fort Madison, Monmouth, Oquawka, Nauvoo, West Burlington,
New London, La Harpe, Roseville, West Point, Dallas City, Danville,
Donnellson, Stronghurst, Kirkwood, Blandinsville, Salem, Little York,
Middletown, and Carman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Conditions are favorable for the development of funnel clouds, and
possibly brief, weak tornadoes. The National Weather Service will
continue to closely monitor the situation, and may issue a Tornado
Warning if the threat increases. If you see a funnel cloud please
seek shelter indoors and then contact your local law enforcement
agency for relay to the National Weather Service.

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 4052 9132 4074 9172 4081 9172 4091 9144
4107 9090 4107 9068 4094 9044 4081 9044
4051 9094
TIME...MOT...LOC 2122Z 308DEG 23KT 4103 9079 4075 9126 4075 9163

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