⚠️ Special Weather Statement – Cedar; Muscatine; Scott; Rock Island; Henry; Mercer – Saturday, August 15, 2026

Special Weather Statement issued August 15 at 9:04PM CDT by NWS Quad Cities IA IL

Details

At 904 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Atalissa to Andalusia to near Shale City.
Movement was northeast at 40 mph.

HAZARD…Wind gusts of 50 to 55 mph and heavy rainfall leading
to minor flooding.

SOURCE…Radar indicated.

IMPACT…Strong winds could break tree limbs, knock down weak trees
and blow around unsecured objects. Slowing or redirecting
of traffic due to ponding or flowing water. Closure of
waterfront access due to flooding.

Locations impacted include…
Davenport, Moline, Rock Island, Bettendorf, Muscatine, East Moline,
Durant, Silvis, Eldridge, Milan, Colona, Le Claire, Coal Valley,
Wilton, Burgess, Hampton, Orion, Port Byron, Walcott, and Blue Grass.

This includes the following highways…
Interstate 74 in Iowa between mile markers 1 and 5.
Interstate 80 in Iowa between mile markers 271 and 306.
Interstate 80 in Illinois between mile markers 1 and 12.
Interstate 74 in Illinois between mile markers 1 and 33.
Interstate 88 between mile markers 1 and 2.
Interstate 280 between mile markers 1 and 18.

Instructions

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.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.