⚠️ Severe Thunderstorm Warning – Hancock, IL; Henderson, IL; McDonough, IL; Mercer, IL; Warren, IL; Des Moines, IA; Henry, IA; Lee, IA; Louisa, IA; Van Buren, IA – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 7:57AM CDT until June 17 at 9:00AM CDT by NWS Quad Cities IA IL

Details

SVRDVN

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Northern Hancock County in west central Illinois…
Henderson County in west central Illinois…
Warren County in west central Illinois…
Northern McDonough County in west central Illinois…
Southern Mercer County in northwestern Illinois…
Southern Henry County in southeastern Iowa…
Southeastern Des Moines County in southeastern Iowa…
East central Van Buren County in southeastern Iowa…
Southeastern Louisa County in southeastern Iowa…
Lee County in southeastern Iowa…

* Until 900 AM CDT.

* At 757 AM CDT, severe thunderstorms were located along a line
extending from near New Boston to near Danville to near Hillsboro,
moving southeast at 55 mph.

HAZARD…70 mph wind gusts.

SOURCE…Radar indicated.

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

* Locations impacted include…
Burlington, Macomb, Fort Madison, Monmouth, Oquawka, Nauvoo,
Bushnell, West Burlington, Burgess, La Harpe, Roseville, West
Point, Dallas City, Danville, Donnellson, Montrose, Stronghurst,
Kirkwood, Blandinsville, and Keithsburg.

This also includes Argyle Lake State Park, Big River State Forest,
Delabar State Park, Henderson County Conservation Area, and Nauvoo
State Park.

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.

A Tornado Watch remains in effect until 300 PM CDT for west central
Illinois.

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