Logan County, Colorado

What hazards hit Logan County most?

The most frequent records are hail reports: 540 since 1956. 54% of its hail reports since 1956 fell in June and July. 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.

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 Logan County had?

NOAA records 105 tornadoes in Logan County from 1958 to 2026, the strongest rated F3, with 0 deaths and 4 injuries recorded in the county. That is 9th of 63 Colorado 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 100 tornadoes whose track touched Logan County since 1950 (NOAA's county records number 105: 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 Colorado.

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 Logan County?

The most recent record with damage, injuries or deaths is the June 30, 2026 tornado ($20,000 in damage in 2025 dollars).

A quick moving tornado, embedded within a larger area of stronger straightline winds, moved through Iliff, CO right around 830 PM MDT on June 30, 2026. One vacant single-wide home was heavily damaged by the swirling winds before lifting to the northeast of town.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1352367)

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

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 Logan 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).

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

What time of year?

54% of its hail reports since 1956 fell in June and July. The two busiest months are in violet.

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

Federal disaster declarations for Logan County

FEMA's register lists 12 declarations that include Logan County: 9 major disasters, 3 emergencies and 0 fire management assistance declarations. Most were for flood (7) and biological (2).

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 Logan County had?

NOAA's Storm Events Database holds 22 flood or flash flood records for Logan County from 1996 to 2024, on 21 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Logan County ranks 1456th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $847,000 on 74 claims filed in Logan County; the most in one year was 24 in 1997. Claims count insured losses only: uninsured flood damage is not in this file.

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 Logan County

FEMA's National Risk Index rates Logan County Relatively Low overall, with an expected annual loss of $18.0 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.

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

Counties that share a border with Logan County

1. Weld County 2,459
2. Yuma County 1,840
3. Washington County 1,319
4. Cheyenne County, NE 1,087
5. Logan County 1,062
6. Morgan County 993
7. Kimball County, NE 650
8. Phillips County 532
9. Sedgwick County 436

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

Next

• Tornadoes in ColoradoEvery Colorado tornado since 1950 and the counties with the most per square mile
• Hail in ColoradoThe state's hail reports, by county, year and month
• The Colorado recordEvery hazard in the state, its deadliest events and its federal declarations
• FEMA's risk rating for each hazard in Logan CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Logan County's FEMA declarations (CSV)12 rows: every declaration that named the county, for your own analysis