SwathIQ / Hail map / Kansas / Osage County

Osage County, Kansas Hail Map & History

The most recent reported hail day was 2026-04-13, 109 days ago. Osage County is hit in most years, and usually several times over. 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 2012-03-28 near Carbondale.

48
hail days since 2010
9
days with 2″+ hail
1
hail days this year
2.75″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Kansas. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2026-04-13, around Osage City. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Osage 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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How often it hails in Osage County

NOAA's Storm Prediction Center has logged 48 separate hail days here since 2010 -- 2.8 a year over 17 years of record. Those days carry 131 separate reports between them, two or three on a typical one. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2011, with 6 hail days. The last five years have been quieter than the long run: 7 days since 2022, against 3.4 a year before that.

9 of the 48 days reached 2 inches or more -- 19%, or about one hail day in 5, the last on 2026-04-13. Those big days do not follow the county's usual calendar: most of them fall in June, not May. 18 of the 48 days reached golf-ball size, 1.75 inches or bigger.

Across the whole of Kansas, see the Kansas hail map and history.

Hardest-hit places in Osage County

Reports cluster nearest Osage City -- 18 of the county's 48 hail days -- then Overbrook (13), Scranton (7), Carbondale (6) and Lyndon (6). Beyond those, NOAA names Burlingame, Auburn, Melvern, Quenemo and Olivet on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Osage City82.75″
Lyndon52.50″
Overbrook51.75″
Scranton32.50″
1 WSW Osage City31.75″

When it hails in Osage County

The season runs April through September: 41 of the 48 hail days on record fall in those 6 months (85%). May is the single busiest month, with 18 of them (38%). That peak sits inside the window rather than at either end. Hail has also been reported in February, March, November and December, outside that window. January and October are the only months that have never produced a reported hail day.

MonthHail days
February1
March4
April6
May18
June6
July2
August4
September5
November1
December1

Recent Osage County hail days

That day put 4 reports on the map, the biggest 2 inches near Osage City. 1 hail day has already been reported this year.

DateMax hailReports
2026-04-132.00″4
2025-09-031.50″3
2025-04-231.25″2
2023-05-091.00″1
2022-05-171.00″1
2022-05-151.75″1
2022-03-291.00″1
2021-12-152.00″3

How to read the Osage County map

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.

Nearby counties

The nearest counties with a page of their own: Shawnee County (63 hail days), Franklin County (36) and Douglas County (30). Osage County sits in between.

Shawnee County · Franklin County · Douglas County

Back to the Kansas hail map or the U.S. hail map.

FAQ

How often does it hail in Osage County, Kansas?
NOAA's Storm Prediction Center has logged 48 separate hail days here since 2010 -- 2.8 a year over 17 years of record.
When is hail season in Osage County?
The season runs April through September: 41 of the 48 hail days on record fall in those 6 months (85%).
How big does hail get in Osage County?
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 2012-03-28 near Carbondale.
When was the last hail in Osage County?
The most recent reported hail day was 2026-04-13, 109 days ago.
Is the Osage County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Osage County, Kansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.