Power County, Idaho tornadoes

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17confirmed tornadoes since NOAA records began in 1950 (the first here in 1961). Most recent: May 21, 2014, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Power County

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The record

At a glance

Total171950 to 2025
Per year0.2average since 1950
Peak monthAugust6 of 17
StrongestF2Aug 17, 1990
Deaths0whole paths, see note
Injuries0whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Power County.

Seasons

When tornadoes hit here

By month

60 Jan: 0Feb: 1Mar: 0Apr: 2May: 2Jun: 2Jul: 4Aug: 6Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

August is the peak month, with 6 of 17 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 1: 43 PM: 2: 4: 36 PM: 1: 1: 19 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 1: 0: 0: 1: 0: 0: 1: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 1: 0: 0: 0: 0: 1: 0: 0: 01990: 3: 0: 0: 1: 0: 0: 1: 0: 0: 12000: 1: 1: 0: 2: 0: 0: 1: 0: 0: 02010: 0: 0: 0: 0: 1: 0: 0: 0: 0: 02020: 0: 0: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
12
EF1
4
EF2
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

F2, August 17, 1990

4 mile path Longest path

9 miles, F0

February 14, 2000, whole path Widest

200 yards, F0

April 28, 2003
Every tornado

All 17 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
May 21, 2014EF03 mi20 yd00
Aug 21, 2006F00.1 mi25 yd00
Apr 28, 2003F02.5 mi200 yd00
Apr 28, 2003F00.2 mi100 yd00
Jul 15, 2001F00.4 mi20 yd00
Feb 14, 2000F09 mi100 yd00
Jul 20, 1999F12.5 min/a00
Jun 13, 1996F00.5 mi50 yd00
Aug 5, 1993F02 mi10 yd00
Aug 17, 1990F24 mi100 yd00
Aug 17, 1990F00.1 mi50 yd00
Aug 17, 1990F00.1 mi100 yd00
Aug 24, 1986F10.5 mi20 yd00
Jul 17, 1981F10.8 mi10 yd00
Jun 8, 1967F00.1 mi10 yd00
May 26, 1964F10.5 mi150 yd00
Jul 31, 1961F00.1 mi10 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.