SwathIQ / Hail map / Minnesota / Sibley County

Sibley County, Minnesota Hail Map & History

Sibley County was hit as recently as 2026-05-24, 68 days ago. Sibley County is hit in most years. The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2017-07-09 near Winthrop.

24
hail days since 2010
3
days with 2″+ hail
1
hail days this year
4.00″
largest stone on record

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

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The last hail here fell on 2026-05-24, around Le Sueur. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Sibley 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 Sibley County

NOAA's Storm Prediction Center has logged 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record. Those days carry 55 separate reports between them, two or three on a typical one. 5 of those 17 years produced none at all. The busiest single year was 2022, with 4 hail days. The last five years track the long-run rate, with 9 days since 2022.

3 of the 24 days reached 2 inches or more -- 12%, or about one hail day in 8, the last on 2022-07-23. Those big days do not follow the county's usual calendar: most of them fall in July, not May. 9 of the 24 days reached golf-ball size, 1.75 inches or bigger.

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

Hardest-hit places in Sibley County

Reports cluster nearest Gibbon -- 8 of the county's 24 hail days -- then Winthrop (7), Henderson (7), Arlington (5) and Gaylord (5). Beyond those, NOAA names Lafayette, New Auburn and Le Sueur on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Gibbon53.00″
Henderson41.75″
Gaylord41.50″
Winthrop32.75″
Arlington21.75″

When it hails in Sibley County

The season runs May through August: 20 of the 24 hail days on record fall in those 4 months (83%). May is the single busiest month, with 6 of them (25%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April, September and October, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.

MonthHail days
April2
May6
June4
July6
August4
September1
October1

Recent Sibley County hail days

That day put 2 reports on the map, the biggest 1.25 inches near Le Sueur. 1 hail day has already been reported this year.

DateMax hailReports
2026-05-241.25″2
2024-08-031.00″1
2024-07-311.25″3
2023-10-241.75″5
2023-08-111.75″4
2022-07-233.00″4
2022-05-301.50″1
2022-04-231.00″2

How to read the Sibley 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 4 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: Nicollet County (20 hail days), McLeod County (29) and Brown County (15). Sibley County sits in between.

Nicollet County · McLeod County · Brown County

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

FAQ

How often does it hail in Sibley County, Minnesota?
NOAA's Storm Prediction Center has logged 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record.
When is hail season in Sibley County?
The season runs May through August: 20 of the 24 hail days on record fall in those 4 months (83%).
How big does hail get in Sibley County?
The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2017-07-09 near Winthrop.
When was the last hail in Sibley County?
Sibley County was hit as recently as 2026-05-24, 68 days ago.
Is the Sibley 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, Sibley County, Minnesota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.