SwathIQ / Hail map / Texas / Frio County

Frio County, Texas Hail Map & History

Frio County was hit as recently as 2026-05-26, 66 days ago. Frio 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 2023-03-01 near Dilley.

18
hail days since 2010
3
days with 2″+ hail
2
hail days this year
4.00″
largest stone on record

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

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The last hail here fell on 2026-05-26, around Pearsall. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Frio 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 Frio County

NOAA's Storm Prediction Center has logged 18 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 37 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 2016, with 3 hail days. The last five years track the long-run rate, with 6 days since 2022.

3 of the 18 days reached 2 inches or more -- 17%, or about one hail day in 6, the last on 2023-03-01. Those big days do not follow the county's usual calendar: most of them fall in March, not April. 7 of the 18 days reached golf-ball size, 1.75 inches or bigger.

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

Hardest-hit places in Frio County

Reports cluster nearest Pearsall -- 10 of the county's 18 hail days -- then Frio Town (6), Dilley (5) and Moore (2). That one town is named on 56% of them.

PlaceHail days since 2010Largest stone
6 Ese Frio Town41.75″
1 N Pearsall32.50″
Pearsall32.50″
2 Nw Pearsall23.50″
3 N Pearsall22.75″

When it hails in Frio County

The season runs March through May: 17 of the 18 hail days on record fall in those 3 months (94%). April is the single busiest month, with 6 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in February, outside that window. Reports span 4 of the 12 calendar months; the other 8 have never produced one.

MonthHail days
February1
March5
April6
May6

Recent Frio County hail days

That day put 2 reports on the map, the biggest 1.5 inches near Pearsall. 2 hail days have already been reported this year.

DateMax hailReports
2026-05-261.50″2
2026-04-301.00″1
2024-05-131.25″2
2023-04-041.50″1
2023-03-014.00″2
2022-04-171.25″2
2020-05-271.75″1
2018-03-271.50″3

How to read the Frio 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: Atascosa County (20 hail days), Medina County (25) and Dimmit County (15). Frio County sits in between.

Atascosa County · Medina County · Dimmit County

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

FAQ

How often does it hail in Frio County, Texas?
NOAA's Storm Prediction Center has logged 18 separate hail days here since 2010 -- 1.1 a year over 17 years of record.
When is hail season in Frio County?
The season runs March through May: 17 of the 18 hail days on record fall in those 3 months (94%).
How big does hail get in Frio 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 2023-03-01 near Dilley.
When was the last hail in Frio County?
Frio County was hit as recently as 2026-05-26, 66 days ago.
Is the Frio 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, Frio County, Texas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.