Thomas County was hit as recently as 2026-06-21, 40 days ago. Thomas County is hit in most years, and usually several times over. The largest stone on record here is 4.25 inches and 4.2 times the National Weather Service's 1 inch severe criterion, reported on 2010-07-12 near Colby.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Kansas. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-21, around Levant. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Thomas 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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See call-center options ->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 188 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 2017, with 8 hail days. The last five years track the long-run rate, with 20 days since 2022.
18 of the 76 days reached 2 inches or more -- 24%, or about one hail day in 4, the last on 2024-07-28. Those big days do not follow the county's usual calendar: most of them fall in July, not May. 33 of the 76 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Kansas, see the Kansas hail map and history.
Reports cluster nearest Colby -- 36 of the county's 76 hail days -- then Brewster (20), Levant (20), Mingo (12) and Menlo (9). That one town is named on 47% of them. Beyond those, NOAA names Gem, Rexford, Winona, Halford and Oakley on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Colby | 16 | 4.25″ |
| Brewster | 12 | 2.50″ |
| 4 N Colby | 9 | 2.75″ |
| Menlo | 7 | 2.75″ |
| 4 W Colby | 5 | 3.00″ |
The season runs May through August: 66 of the 76 hail days on record fall in those 4 months (87%). May is the single busiest month, with 25 of them (33%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April, September, October and November, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| April | 5 |
| May | 25 |
| June | 13 |
| July | 15 |
| August | 13 |
| September | 2 |
| October | 2 |
| November | 1 |
That day put 1 report on the map, the biggest 1 inch near Levant. 3 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-21 | 1.00″ | 1 |
| 2026-05-17 | 1.00″ | 1 |
| 2026-05-16 | 1.00″ | 2 |
| 2025-08-29 | 1.50″ | 1 |
| 2025-07-19 | 1.00″ | 1 |
| 2025-07-06 | 1.00″ | 2 |
| 2025-06-19 | 1.25″ | 3 |
| 2025-04-23 | 1.00″ | 1 |
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 4.25 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Logan County (83 hail days), Rawlins County (77) and Sheridan County (55). Thomas County sits in between.
Logan County · Rawlins County · Sheridan County
Back to the Kansas hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Thomas County, Kansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.