Franklin County, Idaho

County storm and disaster record · FIPS 16041 · population 14,177 · 663 sq mi

NOAA's Storm Events Database holds 279 records for Franklin County, Idaho from 1950 through June 30, 2026, on 218 days; the most frequent are winter storm records (185 records). 223 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The deadliest single record is the August 3, 2016 strong wind, filed for the forecast zone Wasatch Mountains/Iadho Portion, which covers the county: 2 deaths. FEMA has issued 4 declarations naming the county since 2005, 2 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storms and Flooding” on April 21, 2017.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
279on 218 days, 1950 to June 30, 2026
Deaths recorded
53 injuries
Damage, 2025 dollars
$3.2Mas filed (scale steps before 1993)
Tornadoes
4strongest F1
FEMA declarations
4latest 2020

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Franklin County most?

The most frequent records are winter storm records: 185 since 1998. 46% of its winter storm records since 1998 fell in January and February. The rank column places the county among Idaho's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Franklin County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Winter storms 185 144 1998-2026 2 0 $71K 8 of 44
Severe thunderstorm wind 24 17 1975-2026 0 0 $49K 23 of 44
Hail 18 13 1958-2026 0 0 $95K 13 of 44
High wind and dust storms 17 15 2008-2026 2 2 $25K 26 of 44
Wildfires 15 14 2007-2025 0 0 $650K 14 of 44
Floods 7 7 2009-2023 0 0 $2.2M 23 of 44
Extreme cold 4 4 2011-2025 0 0 – 15 of 44
Tornadoes 4 3 1982-1995 0 0 $87K 14 of 44
Landslides and avalanches 3 3 2021-2025 1 0 $10K 17 of 44
Lightning 1 1 2003-2003 0 1 – 14 of 44
Fog, smoke and funnel clouds 1 1 2015-2015 0 0 – 33 of 44

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Franklin County had?

NOAA records 4 tornadoes in Franklin County from 1982 to 1995, the strongest rated F1, with 0 deaths and 0 injuries recorded in the county. That is 14th of 44 Idaho counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 3 tornadoes whose track touched Franklin County since 1950 (NOAA's county records number 4: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Idaho.

Every tornado record filed for Franklin County (4)
Every tornado recorded in Franklin County, newest first
DatePlaceCharacterKilledInjuredDamage
1995-05-05 Station Creek, Franklin County 0 0 $10K
1995-05-05 Franklin County 0 0 $10K
1986-05-21 Franklin County F1 0.5 mi x 30 yd 0 0 $25K step
1982-06-30 Franklin County F1 1.2 mi x 7 yd 0 0 $250 step

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Franklin County?

The most recent record with damage, injuries or deaths is the February 20, 2021 avalanche (1 death).

A 48 year old male snow mobile operator was killed in an avalanche near Sherman Peak in between Grace and Montpelier after causing an avalanche.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 945462)
The 12 most recent records kept for Franklin County
DateRecordCharacterKilledInjuredDamage
2026-06-27 HailClifton, Franklin County 1.00 in hail 0 0 –
2026-06-20 Thunderstorm WindMink Creek, Franklin County 56 kt wind 0 0 –
2026-05-13 Thunderstorm WindMink Creek, Franklin County 55 kt wind 0 0 –
2026-05-13 Thunderstorm WindMink Creek, Franklin County 54 kt wind 0 0 –
2026-05-13 Thunderstorm WindMink Creek, Franklin County 64 kt wind 0 0 –
2026-05-13 Thunderstorm WindWhitney, Franklin County 63 kt wind 0 0 –
2026-05-13 Thunderstorm WindMink Creek, Franklin County 52 kt wind 0 0 –
2026-03-14 High WindBear Lake County and 2 more · forecast zone Bear River Range 51 kt wind 0 0 –
2026-03-14 High WindFranklin County and Oneida County · forecast zone Franklin-Eastern Oneida Region 51 kt wind 0 0 –
2026-03-04 Heavy SnowBear Lake County and 2 more · forecast zone Bear River Range 0 0 –
2026-03-04 Heavy SnowFranklin County and Oneida County · forecast zone Franklin-Eastern Oneida Region 0 0 –
2026-02-16 Winter StormBear Lake County and 2 more · forecast zone Bear River Range 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Franklin County, most deaths first
DateRecordCharacterKilledInjuredDamage
2016-08-03 Strong WindBear Lake County and Franklin County · forecast zone Wasatch Mountains/Iadho Portion A 37 year old woman and her 11 year daughter died in accidents near Fish Haven on Bear Lake. Winds allegedly played a factor in causing flotation devices to drift from shore. Highest recorded wind speeds at the Bear Lake airport near the time of accident were 29 mph. 25 kt wind 2 0 –
2021-02-20 AvalancheBear Lake County and 2 more · forecast zone Bear River Range A 48 year old male snow mobile operator was killed in an avalanche near Sherman Peak in between Grace and Montpelier after causing an avalanche. 1 0 –
2017-01-07 Winter StormFranklin County · forecast zone Cache Valley/Idaho Portion Periods of snow and rain occurred for over 4 days with the city of Preston recording 7.4 inches. Preston schools were closed on the 11th. A fatal automobile accident occurred on US Highway 91 on the evening of the 9th in part due to icy road conditions. 1 0 $6K
2013-03-17 Winter StormBear Lake County and Franklin County · forecast zone Wasatch Mountains/Iadho Portion A strong cold frontal brought light snow and wind gusts in excess of 50 mph. 1 to 3 inches of snow was common but blowing and drifting snow caused reduced visibilities and a three car collision claimed the life of a 12 year old girl on route 89 near Paris, Idaho. 1 0 –
2020-09-07 High WindFranklin County and Oneida County · forecast zone Franklin-Eastern Oneida Region A SUV pulling a camper/trailer overturned on interstate 15 south of Malad Summit due to high crosswinds. The two passengers suffered minor injuries. A 52 mph wind speed was measured 4 miles east southeast of Weston at 7:49 PM MDT. A metal roof was blown off a hay barn in Clifton at around 745 pm MDT. 45 kt wind 0 2 –
2003-08-22 LightningWhitney, Franklin County Lightning struck a house in the town of Whitney. The bolt caused a man at a doorway to be thrown several feet outdoors, after which the house exploded. Damage amounts were not available. 0 1 –
The costliest records in Franklin County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2017-02-05 FloodThatcher, Franklin County 0 0 $2.1M
2012-08-28 WildfireBear Lake County and Franklin County · forecast zone Wasatch Mountains/Iadho Portion 0 0 $643K
2017-01-07 Winter StormFranklin County · forecast zone Cache Valley/Idaho Portion 1 0 $6K

Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $25K, in the dollars of the day) holds: May 21, 1986 (tornado, Franklin County).

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Franklin County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Franklin County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Winter storms––––1368068
Severe thunderstorm wind001423410
Hail21015081
High wind and dust storms––––01610
Wildfires––––0294

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

46% of its winter storm records since 1998 fell in January and February. The two busiest months are in violet.

The values, month by month

Jan 45 · Feb 50 · Mar 32 · Apr 9 · May 17 · Jun 14 · Jul 12 · Aug 23 · Sep 3 · Oct 9 · Nov 21 · Dec 44 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Franklin County

FEMA's register lists 4 declarations that include Franklin County: 2 major disasters, 2 emergencies and 0 fire management assistance declarations. Most were for biological (2) and flood (1).

Declarations including Franklin County, newest first
DeclaredNumberTypeTitle
2020-04-09DR-4534BiologicalCovid-19 Pandemic
2020-03-13EM-3467BiologicalCovid-19
2017-04-21DR-4310FloodSevere Winter Storms and Flooding
2005-09-13EM-3244HurricaneHurricane Katrina

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Franklin County had?

NOAA's Storm Events Database holds 7 flood or flash flood records for Franklin County from 2009 to 2023, on 7 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Franklin County ranks 2830th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $2,525 on 1 claim filed in Franklin County; the most in one year was 1 in 2006. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

2006: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Franklin County

FEMA's National Risk Index rates Franklin County Very Low overall, with an expected annual loss of $5.4 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Franklin County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Winter WeatherRelatively Moderate$142K21 a year (modeled)
WildfireRelatively Low$487Konce in about 177 years (modeled)
EarthquakeRelatively Low$1.1Monce in about 78 years (modeled)
LightningRelatively Low$211K34 a year (modeled)
LandslideVery Low$978about once a year (modeled)
Heat WaveVery Low$147K1.5 modeled event-days a year
AvalancheVery Low$90once in about 100 years (modeled)
Volcanic ActivityVery Low$1once in about 10,000 years (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Franklin County

  1. Bannock County 862
  2. Cache County, UT 713
  3. Caribou County 545
  4. Rich County, UT 476
  5. Oneida County 386
  6. Bear Lake County 328
  7. Franklin County 279

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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