SwathIQ / Hail map / Oklahoma / Grady County

Grady County, Oklahoma Hail Map & History

Grady County was hit as recently as 2026-05-08, 84 days ago. Grady County is hit in most years, and usually several times over. The largest stone on record here is 3.75 inches and 3.8 times the National Weather Service's 1 inch severe criterion, reported on 2020-04-28 near Chickasha.

76
hail days since 2010
23
days with 2″+ hail
3
hail days this year
3.75″
largest stone on record

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

Working Grady County? Turn a storm into a route.

The last hail here fell on 2026-05-08, around Chickasha. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Grady 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 address
Found a storm? Let Call Center Doctors dial it.

Our 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 ->

How often it hails in Grady County

NOAA's Storm Prediction Center has logged 76 separate hail days here since 2010 -- 4.5 a year over 17 years of record. Those days carry 202 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2025, with 9 hail days. The last five years track the long-run rate, with 24 days since 2022.

Roof-killing hail is routine here: 23 of the 76 days reached 2 inches or more, 30% of them, the last on 2026-05-08. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 32 of the 76 days reached golf-ball size, 1.75 inches or bigger.

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

Hardest-hit places in Grady County

Reports cluster nearest Chickasha -- 27 of the county's 76 hail days -- then Tuttle (15), Rush Springs (14), Blanchard (10) and Amber (9). Beyond those, NOAA names Bridge Creek, Minco, Pocasset, Verden, Ninnekah, Marlow, Middleberg, Tabler and Alex on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Chickasha132.75″
Bridge Creek72.25″
Tuttle72.00″
Verden61.50″
Rush Springs51.75″

When it hails in Grady County

The season runs March through June: 63 of the 76 hail days on record fall in those 4 months (83%). May is the single busiest month, with 30 of them (39%). That peak sits inside the window rather than at either end. January, July and September are the only months that have never produced a reported hail day.

MonthHail days
February2
March7
April18
May30
June8
August3
October4
November3
December1

Recent Grady County hail days

That day put 11 reports on the map, the biggest 2.5 inches near Chickasha. 3 hail days have already been reported this year.

DateMax hailReports
2026-05-082.50″11
2026-04-261.00″1
2026-03-101.75″2
2025-11-192.00″1
2025-06-051.00″1
2025-05-292.00″1
2025-05-251.00″1
2025-05-221.50″1

How to read the Grady 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 3.75 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: McClain County (63 hail days), Caddo County (83) and Cleveland County (81). Grady County sits in between.

McClain County · Caddo County · Cleveland County

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

FAQ

How often does it hail in Grady County, Oklahoma?
NOAA's Storm Prediction Center has logged 76 separate hail days here since 2010 -- 4.5 a year over 17 years of record.
When is hail season in Grady County?
The season runs March through June: 63 of the 76 hail days on record fall in those 4 months (83%).
How big does hail get in Grady County?
The largest stone on record here is 3.75 inches and 3.8 times the National Weather Service's 1 inch severe criterion, reported on 2020-04-28 near Chickasha.
When was the last hail in Grady County?
Grady County was hit as recently as 2026-05-08, 84 days ago.
Is the Grady 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, Grady County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.