Johnstown, PA Tornado History — 52 Tornadoes Since 1950
How many tornadoes has Johnstown, PA had?
Johnstown has had 52 tornadoes on record within 25 miles since 1950, including 2 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Johnstown?
The most recent tornado within 25 miles of Johnstown was an EF1 on March 16, 2025.
When is tornado season in Johnstown?
May is historically the peak month for tornadoes near Johnstown, with 14 on record. April through June account for 32 of the 52 tornadoes on record near Johnstown.
At a Glance
Recent Tornado Activity Near Johnstown
The last 20 years of confirmed tornadoes within 25 miles — 20 total, averaging 1.0 per year over this window.
Preliminary tornado reports near Johnstown since December 29, 2025
This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
EF0 Confirmed via NWS Survey. (PBZ)
Within 25 miles of Johnstown. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Johnstown
1 fatality has been recorded within 25 miles of Johnstown since 1950, across 1 event. 39 injuries have been reported across all events. 1976 was the deadliest year on record near Johnstown.
The deadliest single event was an F3 on July 11, 1976, which caused 1 fatality along a 11.8-mile track.
Notable Tornadoes Near Johnstown
What the record shows near Johnstown
The 1990s were the busiest decade near Johnstown, with 14 of the 52 confirmed tornadoes within 25 miles; the 2020s have produced 10 so far. The Johnstown record runs from the 1950s to today.
Of the tornadoes rated near Johnstown, 40 reached EF0 or EF1 and 12 reached EF2 or stronger. The most intense on record near Johnstown is rated EF4, of which 1 is logged.
Across the last 20 years Johnstown has averaged 1.0 confirmed tornadoes a year within 25 miles, 20 in total. 2019 was the busiest of them with 4, and 12 of those years passed with none at all.