Platte County was hit as recently as 2026-06-24, 37 days ago. Platte 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 2017-06-12 near Wheatland.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Wyoming. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-24, around Sibley Peak. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Platte County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 77 separate hail days here since 2010 -- 4.5 a year over 17 years of record. Those days carry 189 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 2019, with 12 hail days. The last five years track the long-run rate, with 20 days since 2022.
15 of the 77 days reached 2 inches or more -- 19%, or about one hail day in 5, the last on 2023-06-23. They land in the same month as everything else, June. 35 of the 77 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Wyoming, see the Wyoming hail map and history.
Reports cluster nearest Wheatland -- 40 of the county's 77 hail days -- then Chugwater (18), Guernsey (15), Glendo (12) and Bordeaux (5). That one town is named on 52% of them. Beyond those, NOAA names Hartville and Sibley Peak on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Wheatland | 11 | 4.50″ |
| 4 N Wheatland | 5 | 2.00″ |
| Guernsey | 4 | 1.75″ |
| Chugwater | 3 | 4.00″ |
| Hartville | 3 | 3.00″ |
The season runs June through August: 63 of the 77 hail days on record fall in those 3 months (82%). June is the single busiest month, with 37 of them (48%). That peak opens the window: the season starts at its worst and eases off from there. 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 | 9 |
| June | 37 |
| July | 16 |
| August | 10 |
| September | 4 |
That day put 1 report on the map, the biggest 1 inch near Sibley Peak. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-24 | 1.00″ | 1 |
| 2026-06-01 | 1.00″ | 2 |
| 2025-08-28 | 1.00″ | 1 |
| 2025-07-18 | 1.50″ | 1 |
| 2025-07-06 | 1.50″ | 1 |
| 2025-06-12 | 1.75″ | 5 |
| 2025-06-02 | 1.00″ | 1 |
| 2025-05-18 | 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, over the state line included: Goshen County (100 hail days), Albany County (33), Laramie County (131) and Sioux County, Nebraska (56). Platte County sits in between.
Goshen County · Albany County · Laramie County · Sioux County, Nebraska
Back to the Wyoming hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Platte County, Wyoming only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.