The most recent reported hail day was 2025-04-23 -- 1 year ago, with nothing reported since. Sac County is hit in most years. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2023-04-19 near Early.
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 2025-04-23, around Sac City. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Sac 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 20 separate hail days here since 2010 -- 1.2 a year over 17 years of record. They carry 31 reports in total: most hail days here are logged from a single spot. 4 of those 17 years produced none at all. The busiest single year was 2021, with 3 hail days. The last five years track the long-run rate, with 4 days since 2022.
3 of the 20 days reached 2 inches or more -- 15%, or about one hail day in 7, the last on 2023-04-19. Those big days do not follow the county's usual calendar: most of them fall in April, not June. 5 of the 20 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 Odebolt -- 5 of the county's 20 hail days -- then Schaller (5), Sac City (3), Lytton (3) and Early (2). Beyond those, NOAA names Wall Lake on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Lytton | 2 | 1.50″ |
| Schaller | 2 | 1.50″ |
| 3 S Early | 1 | 2.75″ |
| 3 S Sac City | 1 | 2.00″ |
| 3 W Nemaha | 1 | 2.00″ |
The season runs April through June: 17 of the 20 hail days on record fall in those 3 months (85%). June is the single busiest month, with 7 of them (35%). That peak closes the window: the season builds all the way to its worst month and then stops. Hail has also been reported in March, August and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 5 |
| May | 5 |
| June | 7 |
| August | 1 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Sac City. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-04-23 | 1.00″ | 1 |
| 2024-05-25 | 1.00″ | 1 |
| 2023-04-19 | 2.75″ | 4 |
| 2022-04-12 | 1.00″ | 1 |
| 2021-09-13 | 1.50″ | 1 |
| 2021-06-22 | 1.50″ | 2 |
| 2021-06-16 | 1.50″ | 2 |
| 2020-08-10 | 1.50″ | 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 2.75 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: Ida County (21 hail days), Calhoun County (26) and Buena Vista County (20). Sac County sits in between.
Ida County · Calhoun County · Buena Vista County
Back to the Iowa hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Sac County, Iowa only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.