Boise, ID Tornado History — 19 Tornadoes Since 1950
How many tornadoes has Boise, ID had?
Boise has had 19 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Boise?
The most recent tornado within 25 miles of Boise was an EF0 on May 26, 2023.
When is tornado season in Boise?
August is historically the peak month for tornadoes near Boise, with 5 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Boise
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 Boise been fatal?
No fatalities are on record within 25 miles of Boise from any of the 19 tornadoes since 1950. NOAA Storm Prediction Center records.
Notable Tornadoes Near Boise
About Tornadoes in Boise
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Boise, Idaho has experienced 19 tornadoes within 25 miles of the city since 1950, according to NOAA Storm Prediction Center records. This relatively modest total reflects the city's location in the Intermountain West, where tornadoes are far less common than in the Great Plains. All recorded tornadoes have been weak, with 15 rated EF0 and 4 rated EF1 on the Enhanced Fujita scale, which classifies tornado intensity based on damage. No fatalities have been recorded from any of these events.
Tornado activity near Boise has varied considerably by decade. The 1950s and 1980s each saw 2 tornadoes, while only 1 occurred in the 1960s. Activity increased notably in the 1990s with 5 tornadoes, then peaked in the 2000s with 8 events. The 2020s have recorded 1 tornado so far. August has been the most active month historically, accounting for 5 of the 19 tornadoes, though tornadoes have occurred during other months as well.
The costliest tornado on record touched down on April 24, 1991, causing $27,500 in property damage despite being rated F0. This tornado traveled 0.2 miles with a maximum width of 50 yards. The widest tornado, which occurred on August 23, 1956, reached 100 yards across and traveled half a mile, causing only $25 in damage. The longest-tracked tornado moved 3.8 miles on June 2, 1967, though it was only 17 yards wide and caused no recorded damage.
The most recent tornado near Boise occurred on May 27, 2023, rated EF0. This event traveled 0.9 miles with a maximum width of just 3 yards and resulted in no fatalities or property damage. The consistently low intensity and minimal damage from tornadoes in the Boise area reflect typical patterns for the region, where atmospheric conditions less frequently support the development of strong rotating thunderstorms compared to areas farther east.