Headline:
Severe Thunderstorm Warning issued June 17 at 6:26AM CDT until June 17 at 7:15AM CDT by NWS Des Moines IA
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 17, 2026 - 4:26am
Expires:
June 17, 2026 - 5:15am
Description:
At 626 AM CDT, a severe thunderstorm was located over Grinnell
Regional Airport, or near Grinnell, moving southeast at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Newton, Grinnell, Montezuma, Rock Creek Lake, Kellogg, Lynnville,
Malcom, Deep River, Barnes City, Oakland Acres, Searsboro, Guernsey,
Grinnell Regional Airport, and Rock Creek State Park.
This includes Interstate 80 between mile markers 171 and 198.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
Area Description:
Jasper, IA; Mahaska, IA; Poweshiek, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov