Iowa

Storms in Iowa in 1970

154 events in 35 episodes

Every storm the National Weather Service filed in Iowa in 1970, with each episode’s narrative and every event in it. Before 1996 the record holds tornadoes, hail and thunderstorm wind only, without narratives; floods, heat, winter storms and the other kinds begin in 1996.

Iowa in 1970 on the map

Every episode with a place to put it, colored by kind of event.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over Iowa

The year

Events
154
Deaths
0
Injuries
0
Damage
$3.6 million
Episodes
35

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.

By kind of event

Kind of eventEventsDeathsInjuriesDamage
Thunderstorm Wind10500
Hail2700
Tornado2200$3.6 million

Every episode, month by month

April 1970

May 1970

June 1970

July 1970

August 1970

September 1970

October 1970

More

Every year in IowaEvery state in 1970Tornadoes in Iowa in 197019691971

Sources

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.