South Dakota · July 30, 2024

South Dakota hail map — July 30, 2024

NOAA radar detected hail of an inch or more over 1 South Dakota city on July 30, 2024. The largest stones — 1.00″, quarter size — fell over Sioux Falls.

Hail swath map for Sioux Falls, SD on July 30, 2024 showing 1.00 inch hail.
Swath over Sioux Falls on July 30, 2024 — 1.00″ 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 July 30, 2024

What people on the ground measured in South Dakota on July 30, 2024

12 reports filed with the National Weather Service — 6 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.

  • 1.75″ golf ball size Public
    Salem, SD3:12 AM CDTMcCook County

    Reports of ping pong ball to golf ball size hail in Salem. Time estimated from radar.

  • 1.75″ golf ball size Trained Spotter
    8 ESE Saint Francis, SD5:30 PM CDTTodd County
  • 1.75″ golf ball size Trained Spotter
    12 S Faith, SD5:49 PM CDTMeade County

    Hail covered the ground. About an inch and half of rain as well.

  • 1.50″ half dollar size Fire Dept/Rescue
    10 WNW Philip, SD7:32 PM CDTHaakon County
  • 1.25″ half dollar size Public
    1 SE Mitchell, SD7:46 AM CDTDavison County
  • 1.25″ half dollar size Trained Spotter
    7 SE Saint Francis, SD5:33 PM CDTTodd County
  • 1.00″ quarter size Trained Spotter
    2 W Reliance, SD6:11 AM CDTLyman County
  • 1.00″ quarter size Trained Spotter
    8 NNE White Lake, SD6:57 AM CDTAurora County

    Hail started out like ice cubes, but then got smaller as the rain got heavier. Rainfall up to 710 am was 0.14 inch, but it was still raining.

  • 1.00″ quarter size Public
    4 NE Mount Vernon, SD7:33 AM CDTDavison County

    Hail up to the size of quarters. Small hail would break up when hitting the ground or deck, but larger stones would not.

  • 0.88″ penny size CO-OP Observer
    4 ENE Salem, SD3:25 AM CDTMcCook County

    Lots of half inch to nickel sized hail.

  • 0.88″ penny size Trained Spotter
    1 W Mitchell, SD7:41 AM CDTDavison County

    In addition to hail up to the size of nickels, wind gusts around 50 mph stripped a lots of leaves off elm trees.

  • 0.75″ penny size Public
    1 NE Harrisburg, SD5:04 AM CDTLincoln County

    Report from mPING: Dime (0.75 in.).

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 July 30, 2024

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 Sioux Falls. Every city hit is listed above with its own stone size.

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