Fremont County was hit as recently as 2026-07-03, 28 days ago. Fremont County is hit in most years. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2023-04-19 near Thurman.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Iowa. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-07-03, around Sidney. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Fremont 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 30 separate hail days here since 2010 -- 1.8 a year over 17 years of record. Those days carry 55 separate reports between them, two or three on a typical one. 3 of those 17 years produced none at all. The busiest single year was 2014, with 4 hail days. The last five years track the long-run rate, with 8 days since 2022.
3 of the 30 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2023-04-19. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 9 of the 30 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Iowa, see the Iowa hail map and history.
Reports cluster nearest Thurman -- 9 of the county's 30 hail days -- then Sidney (9), Hamburg (7), Farragut (6) and Randolph (5). Beyond those, NOAA names Imogene on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Hamburg | 5 | 1.75″ |
| Randolph | 4 | 1.75″ |
| Sidney | 4 | 1.75″ |
| 6 Sw Thurman | 3 | 1.00″ |
| Imogene | 2 | 2.50″ |
The season runs April through June: 25 of the 30 hail days on record fall in those 3 months (83%). May is the single busiest month, with 10 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in March, July, August and September, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 6 |
| May | 10 |
| June | 9 |
| July | 2 |
| August | 1 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Sidney. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-03 | 1.00″ | 1 |
| 2026-05-18 | 1.50″ | 1 |
| 2025-04-17 | 1.75″ | 1 |
| 2024-07-10 | 1.00″ | 1 |
| 2024-05-21 | 1.00″ | 1 |
| 2024-04-30 | 1.00″ | 1 |
| 2023-05-07 | 1.75″ | 3 |
| 2023-04-19 | 3.00″ | 7 |
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 3 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: Mills County (28 hail days), Page County (32), Montgomery County (26), Atchison County, Missouri (29) and Otoe County, Nebraska (39). Fremont County sits in between.
Mills County · Page County · Montgomery County · Atchison County, Missouri · Otoe County, Nebraska
Back to the Iowa hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Fremont County, Iowa only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.