Jackson County, Colorado

County storm and disaster record · FIPS 08057 · population 1,355 · 1,614 sq mi

NOAA's Storm Events Database holds 570 records for Jackson County, Colorado from 1950 through June 30, 2026, on 387 days; the most frequent are winter storm records (493 records). 559 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 December 26, 2008 avalanche, filed for the forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet, which covers the county: 2 deaths. FEMA has issued 6 declarations naming the county since 1977, 4 of them for natural hazards; the latest for a natural hazard was “Hurricane Katrina Evacuation” on September 5, 2005.

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
570on 387 days, 1950 to June 30, 2026
Deaths recorded
129 injuries
Damage, 2025 dollars
$87Kas filed (scale steps before 1993)
Tornadoes
3strongest F1
FEMA declarations
6latest 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 Jackson County most?

The most frequent records are winter storm records: 493 since 1996. The rank column places the county among Colorado's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Jackson County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Winter storms 493 323 1996-2026 0 0 – 40 of 63
High wind and dust storms 41 39 1996-2025 0 3 – 55 of 63
Landslides and avalanches 14 14 2005-2025 11 6 – 25 of 63
Extreme cold 6 2 2022-2025 0 0 – 53 of 63
Severe thunderstorm wind 5 5 1993-2020 0 0 – 52 of 63
Drought 3 1 2002-2002 0 0 – 51 of 63
Tornadoes 3 3 1974-2018 0 0 – 42 of 63
Wildfires 2 2 2020-2024 0 0 – 55 of 63
Floods 1 1 2011-2011 0 0 $7K 62 of 63
Hail 1 1 2021-2021 0 0 – 60 of 63
Lightning 1 1 2024-2024 1 0 $80K 48 of 63

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 Jackson County had?

NOAA records 3 tornadoes in Jackson County from 1974 to 2018, the strongest rated F1, with 0 deaths and 0 injuries recorded in the county. 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 Jackson County since 1950 (NOAA's county records number 3, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Colorado.

Every tornado record filed for Jackson County (3)
Every tornado recorded in Jackson County, newest first
DatePlaceCharacterKilledInjuredDamage
2018-06-24 Coalmont, Jackson County EF0 0.01 mi x 50 yd 0 0 –
2018-05-28 Rand, Jackson County EF0 0.1 mi x 50 yd 0 0 –
1974-05-10 Jackson County F1 0.3 mi x 33 yd 0 0 –

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 Jackson County?

The most recent record with damage, injuries or deaths is the May 25, 2024 lightning (1 death and $80,000 in damage in 2025 dollars).

A lightning strike killed a 51 year old man while he was feeding his herd. In addition, 34 cattle were killed as well. Estimated that each cow cost $2,500.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1171119)
The 12 most recent records kept for Jackson County
DateRecordCharacterKilledInjuredDamage
2026-05-18 Winter WeatherJackson County · forecast zone Jackson County Below 9000 Feet 0 0 –
2026-05-17 Winter StormBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 0 0 –
2026-05-05 Winter StormBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 0 0 –
2026-04-14 Winter WeatherBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 0 0 –
2026-04-14 Winter WeatherGrand County and Jackson County · forecast zone West Jackson & West Grand Counties Above 9000 Feet 0 0 –
2026-03-05 Winter StormBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 0 0 –
2026-02-24 Heavy SnowBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 0 0 –
2026-02-24 Heavy SnowGrand County and Jackson County · forecast zone West Jackson & West Grand Counties Above 9000 Feet 0 0 –
2025-12-27 Winter StormGrand County and Jackson County · forecast zone West Jackson & West Grand Counties Above 9000 Feet 0 0 –
2025-12-17 High WindBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 74 kt wind 0 0 –
2025-12-11 High WindBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 65 kt wind 0 0 –
2025-12-09 High WindBoulder County and 3 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet 62 kt wind 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 Jackson County, most deaths first
DateRecordCharacterKilledInjuredDamage
2008-12-26 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet Two snowmobilers were killed on the side of Gravel Mountain near Grand Lake. The avalanche occurred when one of the men tried to assist the other, after his snowmobile had become stuck in the snow. Both men were buried by the slide and died at the scene of the accident. Another snowmobiler was partially buried in the ... 2 0 –
2006-01-01 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet Two snowmobilers from Iowa were buried and killed in an avalanche in the Trap Park area of the Front Range, about 3.5 miles east-northeast of Cameron Pass. There were 12 snowmobilers in the party. Seven were caught, five partly buried and two fully buried; both buried riders were killed. The data was provided by the ... 2 0 –
2022-05-29 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet Three climbers were caught in a rockslide and avalanche. 1 2 –
2013-03-17 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet A climber was killed and his partner seriously injured when they were caught in an avalanche while descending Ypsilon Mountain in Rocky Mountain National Park. The victim and his partner were caught in the slide on the north side of Blitzen Ridge on the 13,514 foot Ypsilon Mountain. 1 1 –
2013-03-02 AvalancheGrand County and Jackson County · forecast zone West Jackson & West Grand Counties Above 9000 Feet A student from Colorado State Univeristy was killed in an avalanche near Cameron Pass. Two men were skiing in the backcountry near the Nokhu Crags in an area known as the Paradise Bowl. They had finished their run, and their dog was running down the tracks when the slide let loose. The victim's friend, also a college ... 1 1 –
2024-05-25 LightningRand, Jackson County A lightning strike killed a 51 year old man while he was feeding his herd. In addition, 34 cattle were killed as well. Estimated that each cow cost $2,500. 1 0 $80K
2021-12-24 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet A backcountry skier was killed after being caught and fully buried in an avalanche. The avalanche occurred near Cameron Pass at 10,500 feet on the southeast portion of South Diamond Peak. The avalanche broke on a layer of snow 1 to 2 feet below the snow surface, and it was about 150 feet wide. 1 0 –
2021-02-16 AvalancheGrand County and 2 more · forecast zone S & E Jackson / Larimer / N & Ne Grand / Nw Boulder Counties Above 9000 Feet A snowmobiler was killed by an avalanche on Ruby Mountain, southeast of Rand. 1 0 –
The costliest records in Jackson County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2024-05-25 LightningRand, Jackson County 1 0 $80K

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 Jackson 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).

Jackson County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Winter storms––––5782212142
High wind and dust storms––––617711
Landslides and avalanches––––0464

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

What time of year?

Records by month in Jackson County. The two busiest months are in violet.

The values, month by month

Jan 92 · Feb 77 · Mar 61 · Apr 75 · May 34 · Jun 5 · Jul 3 · Aug 0 · Sep 5 · Oct 38 · Nov 79 · Dec 101 (records).

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

Federal disaster declarations for Jackson County

FEMA's register lists 6 declarations that include Jackson County: 2 major disasters, 4 emergencies and 0 fire management assistance declarations. Most were for biological (2) and coastal storm (1).

Declarations including Jackson County, newest first
DeclaredNumberTypeTitle
2020-03-28DR-4498BiologicalCovid-19 Pandemic
2020-03-13EM-3436BiologicalCovid-19
2005-09-05EM-3224Coastal StormHurricane Katrina Evacuation
2003-04-09EM-3185SnowstormSnow
2002-06-19DR-1421FireWildfires
1977-01-29EM-3025DroughtDrought

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.

FEMA's modeled risk for Jackson County

FEMA's National Risk Index rates Jackson County Very Low overall, with an expected annual loss of $4.9 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 Jackson County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
AvalancheVery High$4.0Monce in about 3 years (modeled)
LandslideRelatively Low$4Konce in about 2 years (modeled)
WildfireVery Low$9Konce in about 2,003 years (modeled)
Volcanic ActivityVery Low$0once in about 10,000 years (modeled)
EarthquakeVery Low$22Konce in about 903 years (modeled)
LightningVery Low$45K54 a year (modeled)
HailVery Low$37K1 a year (modeled)
Winter WeatherVery Low$4K22 a year (modeled)

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

Counties that share a border with Jackson County

  1. Albany County, WY 6,260
  2. Carbon County, WY 4,852
  3. Routt County 3,229
  4. Larimer County 1,978
  5. Grand County 1,114
  6. Jackson County 570

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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