Iowa Severe Thunderstorm Warning - Severe | Effective 06/11/2026 04:21
At 620 AM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Walnut to 7 miles east of Griswold,
moving east at 55 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...At 6:15 AM, a personal weather station measured a 59 mph
gust near Oakland, Iowa.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe thunderstorms will remain over mainly rural areas of