Johnston, IA Alerts

Severe Thunderstorm Warning issued April 15 at 8:31PM CDT until April 15 at 9:30PM CDT by NWS Des Moines IA

Headline

Severe Thunderstorm Warning issued April 15 at 8:31PM CDT until April 15 at 9:30PM CDT by NWS Des Moines IA

Description

SVRDMX

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for...
Northern Polk County in central Iowa...
Southern Story County in central Iowa...
Southwestern Marshall County in central Iowa...
Southeastern Boone County in central Iowa...
Northeastern Dallas County in central Iowa...

* Until 930 PM CDT.

* At 831 PM CDT, a severe thunderstorm was located near Sheldahl, or
11 miles southwest of Ames, moving northeast at 40 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...
Ames, Nevada, Huxley, Madrid, Slater, State Center, Big Creek Lake,
Iowa State Center, Saylorville Lake, Maxwell, Colo, Cambridge,
Collins, Alleman, Sheldahl, Kelley, Rhodes, Luther, Big Creek State
Park, and Ames Municipal Airport.

This includes Interstate 35 between mile markers 99 and 114.

Instructions

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

Additional Details

TypeAlert
PhenomenaSevere Thunderstorm
SeverityWarning
Event CodeSVR
AreaBoone, IA; Dallas, IA; Marshall, IA; Polk, IA; Story, IA
SentWednesday, April 15, 2026 8:31 PM CDT
ExpiresWednesday, April 15, 2026 9:30 PM CDT
SenderNWS Des Moines IA
Idurn:oid:2.49.0.1.840.0.d82c41d898e28ed8e54e9682cdb2093b7bbf578f.001.1