Montour County, Pennsylvania

What hazards hit Montour County most?

The most frequent records are severe thunderstorm wind events: 76 since 1963. 45% of its severe thunderstorm wind events since 1963 fell in May and June. The rank column places the county among Pennsylvania'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 Montour County had?

NOAA records 4 tornadoes in Montour County from 1979 to 1998, the strongest rated F1, with 0 deaths and 0 injuries recorded in the county. That is 15th of 67 Pennsylvania 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 4 tornadoes whose track touched Montour County since 1950 (NOAA's county records number 4, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in Pennsylvania.

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 Montour County?

The most recent record with damage, injuries or deaths is the February 14, 2025 winter weather (2 deaths and 2 injuries).

SNOW SQUALL. A snow squall allowed for a period of heavy snow, lowered visibilities, and breezy winds to occur on Interstate 80 in Montour County during the early morning hours of February 14, 2025. This snow squall produced slick roadways that resulted in an accident involving multiple commercial and passenger (estimated between seven to eight) vehicles. There were two fatalities and two injuries from this crash. A second traffic accident occurred in the backlog of traffic, with a vehicle under a tractor trailer, resulting in another fatality. The westbound lane of Interstate 80 was closed from the time of the incident through much of the day, with traffic being rerouted.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1227246)

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 Montour 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?

45% of its severe thunderstorm wind events since 1963 fell in May and June. The two busiest months are in violet.

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

Federal disaster declarations for Montour County

FEMA's register lists 17 declarations that include Montour County: 11 major disasters, 6 emergencies and 0 fire management assistance declarations. Most were for severe storm (5) and flood (5).

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 Montour County had?

NOAA's Storm Events Database holds 24 flood or flash flood records for Montour County from 1996 to 2018, on 21 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Montour County ranks 1073rd of 2,942 U.S. counties.

The National Flood Insurance Program has paid $3.2 million on 154 claims filed in Montour County; the most in one year was 51 in 2011. 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 Montour County

FEMA's National Risk Index rates Montour County Very Low overall, with an expected annual loss of $5.5 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 Montour County

1. Lycoming County 908
2. Northumberland County 521
3. Columbia County 435
4. Montour County 210

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 PennsylvaniaEvery Pennsylvania tornado since 1950 and the counties with the most per square mile
• Severe thunderstorm wind in PennsylvaniaThe state's severe thunderstorm wind events, by county, year and month
• The Pennsylvania recordEvery hazard in the state, its deadliest events and its federal declarations
• FEMA's risk rating for each hazard in Montour CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Montour County's FEMA declarations (CSV)17 rows: every declaration that named the county, for your own analysis