Leominster, MA Tornado History — 58 Tornadoes Since 1950
How many tornadoes has Leominster, MA had?
Leominster has had 58 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Leominster?
The most recent tornado within 25 miles of Leominster was an EF0 on September 6, 2025.
When is tornado season in Leominster?
July is historically the peak month for tornadoes near Leominster, with 21 on record. April through June account for 14 of the 58 tornadoes on record near Leominster.
At a Glance
Recent Tornado Activity Near Leominster
The last 20 years of confirmed tornadoes within 25 miles — 16 total, averaging 0.8 per year over this window.
What storm spotters reported near Leominster
2 local storm reports have been filed within 25 miles of Leominster and since confirmed into the NOAA archive, the earliest on September 6, 2025 and the most recent on September 6, 2025. They are already counted in the Leominster totals above; quoted below is the narrative each reporting office filed at the time.
AN EF1 TORNADO TOUCHED DOWN IN STOW... MA NEAR MAPLE STREET AND CONTINUED ENE OVER BOSE AVENUE CAUSING SIGNIFICANT TREE DAMAGE. THE TORNADO LIFTED SOMEWHERE NEAR HARVES (BOX)
EF1 TORNADO BRIEFLY TOUCHED DOWN OVER WILLOW BROOK RD IN HOLDEN CAUSING SIGNIFICANT TREE DAMAGE. (BOX)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
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 Leominster
97 fatalities have been recorded within 25 miles of Leominster since 1950, across 3 events. 1,271 injuries have been reported across all events. 1953 was the deadliest year on record near Leominster.
The deadliest single event was an F4 on June 9, 1953, which caused 94 fatalities along a 34.9-mile track.
Notable Tornadoes Near Leominster
What the record shows near Leominster
The 1950s were the busiest decade near Leominster, with 14 of the 58 confirmed tornadoes within 25 miles; the 2020s have produced 10 so far. The Leominster record runs from the 1950s to today.
Of the tornadoes rated near Leominster, 42 reached EF0 or EF1 and 16 reached EF2 or stronger. The most intense on record near Leominster is rated EF4, of which 1 is logged.
Across the last 20 years Leominster has averaged 0.8 confirmed tornadoes a year within 25 miles, 16 in total. 2025 was the busiest of them with 5, and 12 of those years passed with none at all.