Data current as of 2026-10-16 · Sourced from NOAA Storm Events
Over the past five years, the National Oceanic and Atmospheric Administration has recorded 6 hail storms within 25 miles of Williamsport, PA. Of those, 3 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was quarter-sized or larger, which can fracture shingle mat and dent metal flashing on contact. 2026 was the most active year on record locally, with 2 documented hail events.
Check Hail History for a Specific Address in Williamsport| Severity | Count | What it means for roofs |
|---|---|---|
| Significant | 3 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 1 event | Marble-size, possible cosmetic damage |
| Minor | 2 events | Pea-size, unlikely to damage modern shingles |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 2 events |
| 2024 | 2 events |
| 2023 | 1 event |
| 2022 | 1 event |
2026 was the busiest hail year on record locally for Williamsport, with 2 documented events inside the 25-mile radius. Storm activity in Williamsport typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.
| Date | Location | Severity | Size | NOAA Comments |
|---|---|---|---|---|
| 2026-03-03 | Montoursville, PA | Minor | 0.20" | ASOS station KIPT Williamsport Airport. |
| 2026-03-03 | Montoursville, PA | Minor | 0.18" | ASOS station KIPT Williamsport Airport. |
| 2024-06-26 | SCHUYLER, PA | Moderate | 0.88" | A strong thunderstorm produced nickel-sized for approximately five minutes near California. |
| 2024-06-22 | HUGHESVILLE, PA | Significant | 1.00" | A severe thunderstorm produced quarter-sized hail in Hughesville. |
| 2023-07-24 | MC EWENSVILLE, PA | Significant | 1.00" | A severe thunderstorm produced quarter sized hail southwest of McEwensville. |
| 2022-07-22 | TROUT RUN, PA | Significant | 1.00" | A severe thunderstorm produced quarter-sized hail near Trout Run. |
NOAA has recorded 123 high-wind events within 25 miles of Williamsport, PA in the past five years. Of those, 120 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 81 mph.
| Severity | Count |
|---|---|
| Severe | 12 events |
| Significant | 108 events |
| Moderate | 3 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-09-03 | Loganton, PA | 60 | Significant | Trained spotted reported 60mph wind gust. also reported 1.7 inches of rain as of the call. |
| 2026-06-15 | 1 S Dunnstown, PA | 58 | Significant | 50KT wind gust at KLHV. |
| 2026-06-14 | NISBET, PA | 60 | Significant | A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked trees and wires down along West Village Drive in Nisbet. |
| 2026-06-14 | JERSEY SHR, PA | 60 | Significant | A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked down multiple trees in Jersey Shore. |
| 2026-06-14 | LARRYVILLE, PA | 60 | Significant | A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked a tree down on Cement Hollow Road near Jersey Shore. |
| 2026-06-14 | LOCK HAVEN MEM ARPT, PA | 58 | Significant | A 50 knot wind gust was recorded at the Piper Memorial Airport in Lock Haven as a line of severe thunderstorms moved through. |
| 2026-06-14 | TURBOTVILLE, PA | 60 | Significant | A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked wires down throughout Lewis Township. |
| 2026-06-11 | ENGLISH CENTER, PA | 60 | Significant | A severe thunderstorm producing wind gusts estimated at 60 mph knocked down numerous trees and wires near PA-284 and PA-287. |
| 2026-06-11 | COGAN HOUSE, PA | 60 | Significant | A severe thunderstorm producing wind gusts estimated at 60 mph knocked trees down along Route 184 in Cogan House Township. |
| 2026-06-11 | FAIRFIELD CENTER, PA | 60 | Significant | A severe thunderstorm producing wind gusts estimated at 60 mph knocked down trees and wires along Mountain Road. |
| 2026-06-11 | BODINES, PA | 55 | Significant | A strong thunderstorm producing wind gusts estimated between 50 and 55 mph knocked down a few trees along Slacks Run Road. |
| 2026-06-06 | FORESTHILL, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down multiple trees onto wires near Forest Hill. |
| 2026-06-06 | EAST LEWISBURG, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked a tree down onto a vehicle in the 1600 block of State Route 405 south of Milton. |
| 2026-06-06 | LINNTOWN, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down several trees onto wires in Lewisburg. |
| 2026-06-06 | LOCKPORT, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down multiple wires north of Lock Haven. |
| 2026-05-13 | OREGON HILL, PA | 45 | Moderate | A strong thunderstorm, producing wind gusts estimated near 45 mph, knocked down wires south of Oregon Hill. |
| 2026-04-15 | WARRENSVILLE, PA | 70 | Severe | A severe thunderstorm, producing wind gusts estimated near 70 mph, tore a roof off of a house in the 5900 block of Warrensville Road in Warrensville. There were no injuries reported from this storm damage. |
| 2026-04-15 | CALVERT, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down a large tree onto the roadway at the intersection of Beech Valley Road and Calvert Road northeast of Trout Run. |
| 2026-04-15 | LUNGERVILLE, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down a large tree onto the roadway in the 1800 block of State Route 42 west of Lungerville. |
| 2026-04-15 | GLEN MAWR, PA | 60 | Significant | A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down a tree onto the roadway between Picture Rocks and Beaver Lake. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Williamsport was on June 22, 2024. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
Williamsport averages roughly 1 reported hail event per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 3 of the 6 events recorded over the last five years.
The largest documented hail near Williamsport in the last five years was quarter-sized or larger. Most Williamsport-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.
Most homeowners insurance policies in PA cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.
Use the HailCheck address search to enter any street address in or near Williamsport. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.
If your property in or near Williamsport took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.
HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.
Learn About $99 HAAG-Style ValidationWilliamsport sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.