⚠️ Severe Thunderstorm Warning – Clinton, IA; Jackson, IA; Jones, IA – Friday, August 21, 2026

Severe Thunderstorm Warning issued August 21 at 6:20PM CDT until August 21 at 7:15PM CDT by NWS Quad Cities IA IL

Details

SVRDVN

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Southwestern Jackson County in east central Iowa…
East central Jones County in east central Iowa…
Northwestern Clinton County in east central Iowa…

* Until 715 PM CDT.

* At 620 PM CDT, a severe thunderstorm was located over Monmouth, or
11 miles west of Maquoketa, moving southeast at 15 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

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

* Locations impacted include…
Maquoketa, Lost Nation, Monmouth, Nashville, Hurstville, Canton,
Baldwin, Emeline, Eden Valley Refuge, Maquoketa Caves State Park,
Maquoketa Municipal Airport, Jackson County Fairgrounds, Buckhorn,
and Elwood.

Instructions

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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.