Lawrence County was hit as recently as 2026-07-03, 28 days ago. Lawrence County is hit in most years, and usually several times over. The largest stone on record here is 4.5 inches, a softball and 4.5 times the National Weather Service's 1 inch severe criterion, reported on 2015-06-19 near Saint Onge.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in South Dakota. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-07-03, around Dwtn Spearfish. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Lawrence County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 121 separate hail days here since 2010 -- 7.1 a year over 17 years of record. Those days carry 257 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2013, with 15 hail days. The last five years track the long-run rate, with 28 days since 2022.
13 of the 121 days reached 2 inches or more -- 11%, or about one hail day in 9, the last on 2024-08-19. Those big days do not follow the county's usual calendar: most of them fall in June, not July. 36 of the 121 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of South Dakota, see the South Dakota hail map and history.
Reports cluster nearest Nemo -- 34 of the county's 121 hail days -- then Deadwood (26), Dwtn Spearfish (20), Downtown Spearfish (18) and Lead (15). Beyond those, NOAA names Brownsville, Saint Onge, Cheyenne Crossing, Whitewood, Galena, Central City, Terry Peak, Downtown Spearfis and Silver City on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Deadwood | 9 | 2.00″ |
| Nemo | 9 | 1.75″ |
| 6 SSE Brownsville | 8 | 1.25″ |
| 9 W Dwtn Spearfish | 7 | 3.00″ |
| Lead | 6 | 3.00″ |
The season runs June through August: 102 of the 121 hail days on record fall in those 3 months (84%). July is the single busiest month, with 38 of them (31%). That peak sits inside the window rather than at either end. Hail has also been reported in April, May and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| April | 1 |
| May | 13 |
| June | 32 |
| July | 38 |
| August | 32 |
| September | 5 |
That day put 7 reports on the map, the biggest 1.5 inches near Dwtn Spearfish. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-03 | 1.50″ | 7 |
| 2026-06-22 | 1.50″ | 4 |
| 2025-08-18 | 1.00″ | 1 |
| 2025-08-17 | 1.00″ | 1 |
| 2025-08-03 | 1.00″ | 1 |
| 2025-08-01 | 1.00″ | 1 |
| 2025-07-29 | 1.25″ | 1 |
| 2025-07-19 | 1.00″ | 1 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 4.5 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Butte County (74 hail days), Meade County (151) and Pennington County (224). Lawrence County sits in between.
Butte County · Meade County · Pennington County
Back to the South Dakota hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Lawrence County, South Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.