1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 10, 8:30 PM CST, 4 hours earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 930 PM CDT MON JUN 10 2002 RW/TRW FIRING UP ALONG DRYLINE E OF I29. VERY WARM AIR ALOFT WITH WET BULB ZERO AROUND 13K. HARD TO GET ANY HAIL WITH THE STORMS WITH VERY HEAVY RAINS FALLING. RADAR ESTIMATES OF 1 TO 2.5 INCHES ACRS PARTS OF NW IA. SPOTTERS VERIFY THIS QUITE WELL, WITH ONLY PEA SIZE HAIL IN A FEW LOCALES. HAVE UPDATED FCST TO ACCOUNT FOR STORMS THAT DEVELOPED A LTL FURTHER W. OTHERWISE REST OF FCST OK. .FSD...NONE.
The Sioux Falls radar (KFSD), 129 km away, was scanning. The volume nearest the first event began at 06:30 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain flooded roads, including three feet of water covering U.S. Highway 71.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2002Every state in 2002This day in weather historyWarnings in Iowa, June 2002
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: 5305728.