South Dakota · July 2, 2026

South Dakota hail map — July 2, 2026

NOAA radar detected hail of an inch or more over 4 South Dakota cities on July 2, 2026. The largest stones — 1.50″, half dollar size — fell over Rapid City.

Hail swath map for Rapid City, SD on July 2, 2026 showing 1.50 inch hail.
Swath over Rapid City on July 2, 20261.50″ hail. Each city below has its own map for this storm.
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Cities hit
4
in South Dakota
Largest stone
1.50
half dollar size
Impact rating
5/10
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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What people on the ground measured in South Dakota on July 2, 2026

12 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 Trained Spotter
    7 SSW Gann Valley, SD2:30 PM CDTBuffalo County

    Photo relayed via text, included spotter ruler card.

  • 2.75 baseball size Public
    10 NNE Pukwana, SD1:56 PM CDTBrule County

    Severe damage to gutters on home.

  • 2.75 baseball size Public
    7 WNW Gann Valley, SD3:41 PM CDTBuffalo County

    report relayed via EM, golf ball to baseball size hail with heavy rain. Location and time estimated.

  • 2.75 baseball size Trained Spotter
    Shadehill, SD6:27 PM CDTPerkins County
  • 2.50 hen egg size Public
    10 NNE Pukwana, SD2:10 PM CDTBrule County

    Extended period of hail with continued larger hail at times.

  • 1.75 golf ball size Public
    4 NE Chamberlain, SD1:35 PM CDTBrule County

    Windshields broken on two vehicles.

  • 1.75 golf ball size Trained Spotter
    7 SSW Gann Valley, SD2:15 PM CDTBuffalo County
  • 1.75 golf ball size Storm Chaser
    8 WSW Union Center, SD6:49 PM CDTMeade County
  • 1.75 golf ball size Public
    4 WNW New Underwood, SD10:35 PM CDTPennington County

    Reported via social media. Time estimated based on radar.

  • 1.50 half dollar size Public
    4 WNW Mount Vernon, SD4:54 PM CDTAurora County

    Report via social media. Time estimated via radar.

  • 1.50 half dollar size Trained Spotter
    1 SE Union Center, SD7:16 PM CDTMeade County

    Mainly pea to dime.

  • 1.50 half dollar size Public
    3 N New Underwood, SD10:45 PM CDTMeade County

    Reported via social media. Time estimated based on radar.

Showing the 12 largest of 26 hail reports filed that day.

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 2, 2026

NOAA radar put hail of an inch or more over 4 South Dakota cities that day. The largest stones — 1.50 inches, half dollar size — were over Rapid City. Every city hit is listed above with its own stone size.

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