⚠️ Severe Thunderstorm Warning – Johnson, IA; Louisa, IA; Muscatine, IA; Washington, IA – Wednesday, June 17, 2026

Severe Thunderstorm Warning issued June 17 at 5:52AM CDT until June 17 at 6:45AM CDT by NWS Quad Cities IA IL

Details

SVRDVN

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Northwestern Louisa County in southeastern Iowa…
Southeastern Johnson County in east central Iowa…
Washington County in southeastern Iowa…
Southwestern Muscatine County in east central Iowa…

* Until 645 AM CDT.

* At 551 AM CDT, a severe thunderstorm was located over Washington,
moving east at 40 mph.

HAZARD…60 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include…
Muscatine, Washington, Columbus Junction, Kalona, Wellman, Lone
Tree, Riverside, Fruitland, Ainsworth, Grandview, Conesville,
Columbus City, Letts, Nichols, Crawfordsville, Cotter, Richmond,
Fredonia, West Chester, and Sand Springs.

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 this storm.
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.

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