1 hail, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The Des Moines radar (KDMX), 40 km away, was scanning. The volume nearest the first event began at 10:15 UTC.
1 hail. Local standard time, as filed.
Thunderstorms fired up in advance of a cold front and upper level disturbance. Many of the storms produced pea size hail. Some reports indicated the hail covered the ground completely. One of the storms intensified briefly and dropped three quarter inch diameter hail in Jasper County at Colfax.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 1998Every state in 1998This day in weather historyWarnings in Iowa, April 1998
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5641781.