The most recent reported hail day was 2020-07-06 -- 6 years ago, with nothing reported since. Chemung County is hit in about half the years on record. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2012-09-06 near Horseheads.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in New York. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2020-07-06, around Elmira Heights. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Chemung 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 14 separate hail days here since 2010 -- 0.8 a year over 17 years of record. Those days carry 27 separate reports between them, two or three on a typical one. 9 of those 17 years produced none at all. One year dominates the record: 2013 alone produced 3 of the 14 days. The last five years have been quieter than the long run: 0 days since 2022, against 1.2 a year before that.
No stone of 2 inches or more has ever been reported in Chemung County: all 14 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 1 of the 14 days.
Across the whole of New York, see the New York hail map and history.
Reports cluster nearest Elmira -- 6 of the county's 14 hail days -- then Horseheads (5) and Tompkins Corners (2). That one town is named on 43% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Elmira | 6 | 1.75″ |
| Horseheads | 5 | 1.75″ |
| Tompkins Corners | 2 | 1.00″ |
| Millport | 1 | 1.50″ |
| 2 Nne Horseheads | 1 | 1.00″ |
The season runs May through August: 13 of the 14 hail days on record fall in those 4 months (93%). June is the single busiest month, with 5 of them (36%). That peak sits inside the window rather than at either end. Hail has also been reported in September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 4 |
| June | 5 |
| July | 2 |
| August | 2 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Elmira Heights. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2020-07-06 | 1.00″ | 1 |
| 2020-05-25 | 1.00″ | 2 |
| 2019-08-18 | 1.50″ | 1 |
| 2017-06-05 | 1.00″ | 1 |
| 2015-06-12 | 1.00″ | 1 |
| 2014-08-05 | 1.00″ | 1 |
| 2014-07-23 | 1.00″ | 2 |
| 2013-06-30 | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own, over the state line included: Tioga County (14 hail days), Tompkins County (15), Steuben County (17) and Bradford County, Pennsylvania (18). Chemung County sits in between.
Tioga County · Tompkins County · Steuben County · Bradford County, Pennsylvania
Back to the New York hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Chemung County, New York only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.