Hail history in Lyman County, SD
Hail of 1 inch or larger was reported in Lyman County on 9 days between Jan 1, 2025 and Oct 26, 2026. The largest was 2.50 in (tennis ball) on Jul 9, 2025, near Lyman.
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Every hail day in Lyman County
| Storm day | Largest hail | Reports | Near | |
|---|---|---|---|---|
| Jul 4, 2026 | 1.25 in (half dollar) | 2 | 3 NE Oacoma | Report for this date → |
| Jun 3, 2026 | 1.75 in (golf ball) | 2 | 4 WNW Iona | Report for this date → |
| Jun 2, 2026 | 1.75 in (golf ball) | 1 | 5 SW Counselor Creek Re | Report for this date → |
| Aug 13, 2025 | 1.00 in (quarter) | 1 | 11 S Vivian | Report for this date → |
| Aug 3, 2025 | 1.25 in (half dollar) | 2 | Kennebec | Report for this date → |
| Jul 29, 2025 | 1.00 in (quarter) | 1 | 7 S Reliance | Report for this date → |
| Jul 28, 2025 | 1.75 in (golf ball) | 1 | 3 WSW Lower Brule | Report for this date → |
| Jul 9, 2025 | 2.50 in (tennis ball) | 1 | Lyman | Report for this date → |
| Jun 27, 2025 | 1.00 in (quarter) | 1 | 8 SSW Kennebec | Report for this date → |
When hail falls in Lyman County
Where hail was reported
Places named in the reports, given as distance and direction from the nearest town, as the National Weather Service logs them.
- 11 S Vivian1 report
- 3 NE Oacoma1 report
- 3 WSW Lower Brule1 report
- 4 WNW Iona1 report
- 5 SW Counselor Creek Re1 report
- 7 S Reliance1 report
- 8 SSW Kennebec1 report
- 8 SW Presho1 report
- 9 SW Oacoma1 report
- Kennebec1 report
More hail history in South Dakota
See a sample satellite hail report →
Source and method
NOAA Storm Prediction Center preliminary local storm reports of hail 1 inch or larger, Jan 1, 2025 to Oct 26, 2026 (updated Oct 27, 2026). Dates are SPC storm days, which run from 12:00 UTC to 12:00 UTC (about 7 a.m. to 7 a.m. Central), so a late-night storm appears on the day it started. Reports come from spotters, the public and NWS offices: they can be revised, and a storm nobody reported is missing. SPC storm reports.
A Skybridge report goes further for one address and date: GOES satellite cloud-top and lightning data, NOAA MRMS radar hail size and these storm reports within 50 km, in one document reviewed by a person, with a code anyone can verify.