Hermiston, OR Tornado History — 7 Tornadoes Since 1950
How many tornadoes has Hermiston, OR had?
Hermiston has had 7 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Hermiston?
The most recent tornado within 25 miles of Hermiston was an Unrated on June 11, 2022.
When is tornado season in Hermiston?
May is historically the peak month for tornadoes near Hermiston, with 3 on record. April through June account for 5 of the 7 tornadoes on record near Hermiston.
At a Glance
Recent Tornado Activity Near Hermiston
The last 20 years of confirmed tornadoes within 25 miles — 1 total, averaging 0.1 per year over this window.
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
Have any tornadoes near Hermiston been fatal?
No fatalities are on record within 25 miles of Hermiston from any of the 7 tornadoes since 1950, according to NOAA Storm Prediction Center records.
Notable Tornadoes Near Hermiston
What the record shows near Hermiston
The 2000s were the busiest decade near Hermiston, with 3 of the 7 confirmed tornadoes within 25 miles; the 2020s have produced 1 so far. The Hermiston record runs from the 1950s to today.
Of the tornadoes rated near Hermiston, 5 reached EF0 or EF1 and 1 reached EF2 or stronger. The most intense on record near Hermiston is rated EF2, of which 1 is logged. A further 1 near Hermiston is unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Hermiston has averaged 0.1 confirmed tornadoes a year within 25 miles, 1 in total. 2022 was the busiest of them with 1, and 19 of those years passed with none at all.