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Hail reports South Dakota

No hail has been reported anywhere in South Dakota during the last 24 hours. In an average year, South Dakota sees 508 hail reports, and the largest hailstone on record measured 8.00 inches. That stone fell at Vivian on Jul 23, 2010. The average is based on reports from 2005 through 2025, and the record goes back to 1996. Hail report data comes from National Weather Service Local Storm Reports filed by trained spotters.

as of

NCEI Storm Events data place South Dakota at 6 among 51 states and DC for average hail reports per year. Full state hail ranking

From 2005 through 2025, the Storm Events Database logs about 508 hail reports in South Dakota a year, across about 57 days.

Largest hailstones on record in South Dakota

Largest hailstones recorded in South Dakota since 1996, Storm Events Database
DiameterSizePlaceDate
8.00 inchesGrapefruitVivian, Lyman CountyJul 23, 2010
6.88 inchesGrapefruitDante, Charles Mix CountyAug 21, 2007
6.13 inchesGrapefruitWagner, Charles Mix CountyAug 21, 2007
6.00 inchesGrapefruitNisland, Butte CountyJun 19, 2015
4.50 inchesGrapefruitHartford, Minnehaha CountyJul 13, 1997
4.50 inchesGrapefruitHowes, Meade CountyJun 26, 1998
4.50 inchesGrapefruitFaulkton, Faulk CountyAug 4, 2000
4.50 inchesGrapefruitOelrichs, Fall River CountyJun 12, 2001
4.50 inchesGrapefruitBarnard, Brown CountyJun 23, 2002
4.50 inchesGrapefruitLeola, McPherson CountyJul 9, 2002

Record figures come from the Storm Events Database at NCEI, a reviewed log that trails live reports by 2 to 3 months. Records start in 1996 and averages cover 2005-2025.

Hail reports by month

Average hail reports per month in South Dakota, 2005 to 2025
MonthJanFebMarAprMayJunJulAugSepOctNovDec
Reports0.00.021767153140982830.70.0

Counties in South Dakota with the most hail reports

Counties in South Dakota with the most hail reports a year, 2005 to 2025
CountyReports a year
Pennington54.5
Meade29.6
Custer24.5
Lawrence18.2
Fall River12.5
Perkins12.4
Harding12.3
Brown12.0
Oglala Lakota11.5
Corson10.9

Cities in South Dakota with hail data

Tracked cities in South Dakota with average hail reports a year within 25 miles and the largest on record
CityReports a yearLargest since 1996
Rapid City72.84.50 inches Jun 1, 2015
Sioux Falls20.34.50 inches Jul 13, 1997

Hail days in South Dakota

Hail days in South Dakota
DatesTopWhereStatesReports
September 11, 20261.75 inches5 E Artichoke, MN213

All hail day pages

South Dakota counties with hail reports in 2026

A county earns a spot here as soon as one report in the period is filed.

Recent days with reports in South Dakota

All South Dakota storm days

National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.

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