New event. Severe Thunderstorm Warning from 6/11/2026 9:18 AM to 10:30 AM CDT for Johnson County, IA. More information.

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
918 AM CDT Thu Jun 11 2026

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for...
Rock Island County in northwestern Illinois...
Northwestern Mercer County in northwestern Illinois...
Northwestern Louisa County in southeastern Iowa...
Southeastern Jackson County in east central Iowa...
Cedar County in east central Iowa...
Scott County in east central Iowa...
Eastern Johnson County in east central Iowa...
Muscatine County in east central Iowa...
Clinton County in east central Iowa...

* Until 1030 AM CDT.

* At 917 AM CDT, severe thunderstorms were located along a line
extending from Twin View Heights to near West Branch to Columbus
Junction, moving east at 55 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.

* Locations impacted include...
Davenport, Iowa City, Moline, Rock Island, Bettendorf, Clinton,
Muscatine, East Moline, Tipton, West Branch, Columbus Junction,
Durant, Coralville, North Liberty, Silvis, Eldridge, DeWitt, Milan,
Camanche, and Le Claire.

This includes the following highways...
Interstate 74 in Iowa between mile markers 1 and 5.
Interstate 80 in Iowa between mile markers 242 and 306.
Interstate 380 between mile markers 3 and 4.
Interstate 80 in Illinois between mile markers 1 and 5.
Interstate 74 in Illinois between mile markers 1 and 7.
Interstate 88 between mile markers 1 and 11.
Interstate 280 between mile markers 1 and 18.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
sturdy building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 300 PM CDT for northwestern
Illinois...and southeastern and east central Iowa.

&&

LAT...LON 4195 9090 4196 9090 4203 9065 4204 9016
4201 9014 4181 9018 4178 9024 4177 9025
4168 9023 4166 9018 4156 9020 4152 9024
4151 9035 4148 9038 4146 9043 4135 9043
4133 9046 4126 9146 4157 9147 4175 9166
TIME...MOT...LOC 1417Z 249DEG 50KT 4183 9155 4161 9138 4128 9139

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH