South Dakota · August 24, 2026

South Dakota hail map — August 24, 2026

NOAA radar detected hail of an inch or more over 1 South Dakota city on August 24, 2026. The largest stones — 1.00″, quarter size — fell over Aberdeen.

Hail swath map for Aberdeen, SD on August 24, 2026 showing 1.00 inch hail.
Swath over Aberdeen on August 24, 20261.00″ hail. Each city below has its own map for this storm.
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Cities hit
1
in South Dakota
Largest stone
1.00
quarter size
Impact rating
3/10
from stone size

Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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South Dakota cities hit on August 24, 2026

What people on the ground measured in South Dakota on August 24, 2026

11 reports filed with the National Weather Service4 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 3.00 baseball size Public
    4 WNW Mound City, SD8:16 PM CDTCampbell County

    Large hail reported 4 miles west and a half mile north of Mound City. The largest hailstones were measured at three inches in diameter. Minimal damage occurred in the area. Time estimated by radar.

  • 2.75 baseball size Public
    4 W Mound City, SD8:09 PM CDTCampbell County

    Picture sent of multiple hailstones ranging from golf ball to roughly baseball size 4 miles west of Mound City. Time estimated by radar.

  • 2.50 hen egg size Public
    4 NW Martin, SD7:22 PM CDTBennett County

    Reported via social media. Time estimated based on radar.

  • 1.75 golf ball size Public
    7 WNW Swan Creek Rec Ar, SD7:17 PM CDTDewey County

    Hail started after 7 pm, and continued until about 7:30 pm.

  • 1.75 golf ball size Trained Spotter
    3 NE Mound City, SD8:30 PM CDTCampbell County

    Large soft hail that was not fully solidified.

  • 1.50 half dollar size Trained Spotter
    Martin, SD7:24 PM CDTBennett County

    A few of the largest stones reached ping pong ball size but most were smaller. Time estimated based on radar.

  • 1.50 half dollar size Public
    1 N Martin, SD7:25 PM CDTBennett County

    Report and photo via social media. Time estimated based on radar.

  • 1.00 quarter size Public
    5 W Martin, SD7:14 PM CDTBennett County

    Photo via social media. Time estimated based on radar.

  • 1.00 quarter size Public
    Martin, SD7:27 PM CDTBennett County

    Nickel to quarter size near the southern edge of the storm core. Hail still falling as of 643 PM MDT. Reported via social media.

  • 1.00 quarter size Trained Spotter
    2 SSE Glenham, SD7:45 PM CDTWalworth County
  • 0.25 penny size Trained Spotter
    6 WNW Okaton, SD9:50 PM CDTJones County

    Little bit of pea sized hail, some strong but not super strong winds (~30-40mph), and received 1.6 inches of rain. Time estimated by radar.

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

FAQ

South Dakota hail on August 24, 2026

NOAA radar put hail of an inch or more over 1 South Dakota city that day. The largest stones — 1.00 inches, quarter size — were over Aberdeen. Every city hit is listed above with its own stone size.

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