Headline:
Severe Thunderstorm Warning issued June 17 at 5:58AM CDT until June 17 at 6:15AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 17, 2026 - 3:58am
Expires:
June 17, 2026 - 4:15am
Description:
At 557 AM CDT, a severe thunderstorm was located near Le Grand, or 6
miles southeast of Marshalltown, moving southeast at 40 mph.
THIS IS A DESTRUCTIVE STORM!
HAZARD...80 mph wind gusts and penny size hail.
SOURCE...Emergency management.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Marshalltown, Newton, State Center, Meskwaki Casino, Rock Creek Lake,
Le Grand, Melbourne, Kellogg, Garwin, Gilman, Albion, Rhodes,
Montour, Laurel, Haverhill, Ferguson, Green Mountain, Marshalltown
Municipal Airport, Union Grove State Park, and Rock Creek State Park.
This includes Interstate 80 between mile markers 169 and 171.
Instruction:
This is a DANGEROUS SITUATION. This storm is producing widespread
wind damage! SEEK SHELTER NOW inside a sturdy structure and stay
away from windows.
Area Description:
Jasper, IA; Marshall, IA; Story, IA; Tama, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov