⚠️ Severe Thunderstorm Warning – Bureau, IL; Henry, IL; Mercer, IL; Rock Island, IL; Whiteside, IL; Scott, IA – Saturday, August 15, 2026

Severe Thunderstorm Warning issued August 15 at 9:50PM CDT until August 15 at 10:45PM CDT by NWS Quad Cities IA IL

Details

SVRDVN

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Southeastern Rock Island County in northwestern Illinois…
Northeastern Mercer County in northwestern Illinois…
Southwestern Whiteside County in northwestern Illinois…
Henry County in northwestern Illinois…
Western Bureau County in north central Illinois…
Central Scott County in east central Iowa…

* Until 1045 PM CDT.

* At 949 PM CDT, severe thunderstorms were located along a line
extending from near Bettendorf to near Green River to near Nekoma,
moving east at 45 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations impacted include…
Davenport, Moline, Rock Island, Bettendorf, East Moline, Kewanee,
Cambridge, Silvis, Geneseo, Eldridge, Colona, Milan, Le Claire,
Coal Valley, Galva, Prophetstown, Hampton, Orion, Port Byron, and
Erie.

This includes the following highways…
Interstate 74 in Iowa between mile markers 1 and 5.
Interstate 80 in Iowa between mile markers 289 and 306.
Interstate 80 in Illinois between mile markers 1 and 43.
Interstate 74 in Illinois between mile markers 1 and 33.
Interstate 88 between mile markers 1 and 16.
Interstate 280 between mile markers 1 and 3, and between mile
markers 12 and 18.

This also includes Big Bend Fish and Wildlife Area, Johnson-Sauk
Trail State Recreation Area, Prophetstown State Park, and Mautino
State Fish & Wildlife Area.

Instructions

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature’s leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

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