3 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 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 Rapid City, SD wrote its last area forecast discussion before the first event at Aug 9, 8:30 AM MST, 3 hours 40 minutes earlier.
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 930 AM MDT SAT AUG 9 2003 LATEST SFC ANALYSIS PLACES LOW OVER SW SD. IN SATELLITE MID LEVEL CONVECTIVE CLOUDS NOTED OVER SW SD AND ND...ALONG WITH A CB OVER THE BLACK HILLS. KUDX RADAR REVEALS THIN LINE OF TSTMS OVER BLACK HILLS. CURRENT FORECAST ON TRACK. SFC LOW ON THE MOVE AS UPPER SUPPORTING S/WV MOVES OVER UPPER RIDGE. WINDS OVER WRN SD SHIFTING AS LOW MOVES. HAVE UPDATED FORECAST TO REFLECT WIND CHANGES. REMAINDER OF FORECAST LOOKS GOOD. .UNR...RED FLAG WARNING TODAY FOR DRY LIGHTNING AND LOW RELATIVE HUMIDITIES OVER NORTHEASTERN WYOMING INCLUDING FIRE WEATHER ZONES 297N 297S 298 299.
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-101300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 635 AM MDT SAT AUG 9 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA THIS AFTERNOON AND EVENING. THE MAIN THREAT FROM THESE SEVERE THUNDERSTORMS WILL BE WIND GUSTS GREATER THAN 60 MPH...ESPECIALLY ACROSS NORTHEAST WYOMING AND FAR WESTERN SOUTH DAKOTA. LARGE HAIL IS ALSO POSSIBLE OVER THE SOUTH DAKOTA PLAINS WHERE BETTER LOW LEVEL MOISTURE WILL BE IN PLACE. STORMS WILL DEVELOP THIS THIS MORNING ACROSS NORTHEAST WYOMING AND FAR WESTERN SOUTH DAKOTA AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE ROCKIES. STORMS ARE EXPECTED TO INCREASE IN COVERAGE AND INTENSIFY THIS AFTERNOON AND EVENING OVER THE SOUTH DAKOTA PLAINS. STORMS ARE EXPECTED TO GRADUALLY COME TO AN END BY MID TO LATE EVENING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A RIDGE OF HIGH PRESSURE WILL KEEP TEMPERATURES WARM THROUGH AT LEAST EARLY NEXT WEEK WITH HIGHS REMAINING IN THE 90S TO NEAR 100. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE SUNDAY THROUGH TUESDAY...MAINLY ACROSS NORTHEAST WYOMING AND FAR WESTERN SOUTH DAKOTA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY.
The national radar mosaic for the moment the first event began.
3 hail. Local standard time, as filed.
A severe thunderstorm dropped hail to the size of golf balls for 30 minutes in Custer.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2003Every state in 2003This day in weather historyWarnings in South Dakota, August 2003
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: 5378084, 5378085, 5378086.