Tornadoes · United States · Idaho
1977 tornadoes in Idaho
No tornado was recorded in Idaho in 1977. The state averages 3.8 a year over the 60 years it has any in the record.
What Idaho usually sees
The record has 226 tornadoes in Idaho since 1950, none of them fatal. Every year in Idaho.
Nearby
Every tornado in Idaho since 1950Warnings in force in IdahoThe live radar over Idaho
What this means
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
Sources
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.