Pierre, SD

Hail map for Pierre, SDJuly 25, 2026

NOAA radar detected hail up to 2.00″ — hen egg size — within 5 miles of Pierre on July 25, 2026.

Hail swath map for Pierre, SD on July 25, 2026 showing 2.00 inch hail.
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Max hail size
2.00
hen egg
Impact rating
7/10
from stone size
Size bands over the city
3
distinct radar bands
Reached the ground
70%
Severe-hail probability
Measured on the ground
2.00
6.1 mi away · Emergency Mngr

Severe-hail probability peaked at 70% over Pierre that day — high: around even odds of 1″ hail reaching the ground. It is a separate model from the size estimate above: one asks how big the stones were in the storm, the other asks whether they made it down.

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

Homeowners

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This page covers Pierre as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.

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What people on the ground measured in Pierre, SD on July 25, 2026

2 reports filed with the National Weather Service1 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.

  • 2.00 hen egg size Emergency Mngr
    4 SSW West Shore Rec Ar, SD · 6.1 mi away4:33 PM CDTStanley County

    several vehicles with windshields broken out. Time estimated by radar.

  • 1.00 quarter size Public
    1 NW Fort Pierre, SD · 2.6 mi away4:33 PM CDTStanley County

    Report from mPING: Quarter (1.00 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

Pierre hail on July 25, 2026

NOAA radar estimated stones up to 2.00 inches — hen egg size — within about 5 miles of Pierre that day, across 3 distinct size bands. Sizes vary street to street inside a single swath.

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