⚠️ Special Weather Statement – Johnson; Cedar; Clinton; Muscatine; Scott; Louisa; Rock Island; Henry; Mercer – Sunday, September 20, 2026

Special Weather Statement issued September 20 at 2:12AM CDT by NWS Quad Cities IA IL

Details

At 212 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near West Branch to near Muscatine to near
Mannon. Movement was northeast at 45 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…
Davenport, Iowa City, Moline, Rock Island, Bettendorf, Muscatine,
East Moline, Tipton, West Branch, Durant, Eldridge, Milan, Coal
Valley, West Liberty, Wilton, Walcott, Blue Grass, Buffalo,
Andalusia, and Lowden.

This includes the following highways…
Interstate 74 in Iowa between mile markers 1 and 5.
Interstate 80 in Iowa between mile markers 250 and 298.
Interstate 74 in Illinois between mile markers 1 and 8.
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.