SwathIQ / Hail map / Texas / Knox County

Knox County, Texas Hail Map & History

The most recent reported hail day was 2026-03-10, 143 days ago. Knox County is hit in most years. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2025-04-29 near Knox City.

33
hail days since 2010
8
days with 2″+ hail
1
hail days this year
3.00″
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 2026-03-10, around Goree. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Knox 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 Knox County

NOAA's Storm Prediction Center has logged 33 separate hail days here since 2010 -- 1.9 a year over 17 years of record. They carry 55 reports in total: most hail days here are logged from a single spot. 3 of those 17 years produced none at all. The busiest single year was 2023, with 5 hail days. The last five years track the long-run rate, with 9 days since 2022.

8 of the 33 days reached 2 inches or more -- 24%, or about one hail day in 4, the last on 2025-04-29. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 14 of the 33 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 Knox County

Reports cluster nearest Knox City -- 11 of the county's 33 hail days -- then Truscott (9), Goree (6), Benjamin (5) and Munday (4). Beyond those, NOAA names Rhineland and Gilliland on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Knox City102.00″
3 W Truscott43.00″
Benjamin31.75″
Goree31.75″
Munday31.00″

When it hails in Knox County

The season runs April through May: 28 of the 33 hail days on record fall in those 2 months (85%). May is the single busiest month, with 17 of them (52%). Hail has also been reported in March, June and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.

MonthHail days
March3
April11
May17
June1
September1

Recent Knox County hail days

That day put 1 report on the map, the biggest 1.75 inches near Goree. 1 hail day has already been reported this year.

DateMax hailReports
2026-03-101.75″1
2025-04-293.00″5
2024-04-272.75″3
2023-06-222.75″3
2023-05-231.75″1
2023-05-122.25″1
2023-05-071.75″3
2023-05-061.50″1

How to read the Knox 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 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: Haskell County (37 hail days), Foard County (25) and Baylor County (41). Knox County sits in between.

Haskell County · Foard County · Baylor County

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

FAQ

How often does it hail in Knox County, Texas?
NOAA's Storm Prediction Center has logged 33 separate hail days here since 2010 -- 1.9 a year over 17 years of record.
When is hail season in Knox County?
The season runs April through May: 28 of the 33 hail days on record fall in those 2 months (85%).
How big does hail get in Knox County?
The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2025-04-29 near Knox City.
When was the last hail in Knox County?
The most recent reported hail day was 2026-03-10, 143 days ago.
Is the Knox 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, Knox County, Texas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.