SwathIQ / Hail map / Missouri / Osage County

Osage County, Missouri Hail Map & History

Osage County was hit as recently as 2026-07-09, 22 days ago. Osage 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 2020-03-27 near Chamois.

19
hail days since 2010
6
days with 2″+ hail
2
hail days this year
2.75″
largest stone on record

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

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The last hail here fell on 2026-07-09, around Loose Creek. 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 19 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 44 separate reports between them, two or three on a typical one. 6 of those 17 years produced none at all. The busiest single year was 2015, with 3 hail days. The last five years track the long-run rate, with 6 days since 2022.

Roof-killing hail is routine here: 6 of the 19 days reached 2 inches or more, 32% of them, the last on 2026-04-27. They land in the same month as everything else, April. More than half of every hail day on record here -- 10 of 19 -- reached golf-ball size, 1.75 inches or bigger.

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

Hardest-hit places in Osage County

Reports cluster nearest Linn -- 8 of the county's 19 hail days -- then Loose Creek (4), Mount Sterling (3), Chamois (2) and Meta (2). That one town is named on 42% of them. Beyond those, NOAA names Bonnots Mill and Bland on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Linn41.75″
Chamois22.75″
5 W Linn22.50″
3 NE Meta12.50″
Rich Fountain12.50″

When it hails in Osage County

The season runs March through May: 16 of the 19 hail days on record fall in those 3 months (84%). April is the single busiest month, with 7 of them (37%). That peak sits inside the window rather than at either end. Hail has also been reported in June, July and August, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.

MonthHail days
March4
April7
May5
June1
July1
August1

Recent Osage County hail days

That day put 1 report on the map, the biggest 1 inch near Loose Creek. 2 hail days have already been reported this year.

DateMax hailReports
2026-07-091.00″1
2026-04-272.50″3
2024-05-241.75″3
2024-04-011.00″2
2023-06-302.00″4
2022-08-021.25″2
2020-03-272.75″1
2017-05-271.75″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: Gasconade County (24 hail days), Maries County (18) and Cole County (33). Osage County sits in between.

Gasconade County · Maries County · Cole County

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

FAQ

How often does it hail in Osage County, Missouri?
NOAA's Storm Prediction Center has logged 19 separate hail days here since 2010 -- 1.1 a year over 17 years of record.
When is hail season in Osage County?
The season runs March through May: 16 of the 19 hail days on record fall in those 3 months (84%).
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 2020-03-27 near Chamois.
When was the last hail in Osage County?
Osage County was hit as recently as 2026-07-09, 22 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, Missouri only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.