FloodZoneMap.org

Montana Flood Stories

191 first-hand accounts of flood events in Montana, ranked by impact. Each is a NOAA-written narrative of the moment.

Flood3 deaths

West Glacier Region, MT · Jun 4, 1996

Major damage from flooding occurred mainly in Ravalli County were numerous roads were flooded and washed out. The worst road damage occurred on the Skalkaho Highway between the Bitterroot Valley and the Philipsburg/Anaconda area were water was diverted into the road in several…

Read the full account →
Flood2 deaths$60K damage

Cascade, MT · May 17, 2023

Spring rains across the area resulted in additional high elevation snowmelt which led to elevated water levels along many creeks and streams. Belt Creek flooded for a second time this month. Water levels crested at 6.78 feet at the river gauge along Belt Creek near Monarch.

Read the full account →
Flood1 death$1.0M damage

Carbon, MT · May 20, 2011

A Pacific low moved into the four corners region on the 17th and migrated northeast into the Dakotas through the 22nd, bringing another round of heavy precipitation aided by a tap of Gulf of Mexico moisture.

Read the full account →
Flood1 death$300K damage

Yellowstone, MT · May 21, 2011

A Pacific low moved into the four corners region on the 17th and migrated northeast into the Dakotas through the 22nd, bringing another round of heavy precipitation aided by a tap of Gulf of Mexico moisture.

Read the full account →
Flash Flood

Beaverhead, MT · Jul 17, 2013

Convective activity developed early in the afternoon with thunderstorms rapidly developing over West and Southwest Montana in response to an upper trough moving across Northwest Montana into southern Alberta.

Read the full account →
Flood$31.0M damage

Lincoln, MT · Dec 11, 2025

Record precipitation fell as a prolonged atmospheric river event gripped the region from December 6 through 12. Much like a garden hose being moved back and forth, the jet stream shifted the focus of this moisture plume across the Pacific Northwest, repeatedly drenching parts of…

Read the full account →
Flood$4.0M damage

Mineral, MT · Dec 11, 2025

Record precipitation fell as a prolonged atmospheric river event gripped the region from December 6 through 12. Much like a garden hose being moved back and forth, the jet stream shifted the focus of this moisture plume across the Pacific Northwest, repeatedly drenching parts of…

Read the full account →
Flood$1.2M damage

Hill, MT · May 7, 2024

A closed upper level low lifted northeast across eastern Montana on May 6th through the 9th. This low merged with a shortwave streaming from the Pacific Northwest.

Read the full account →
Flood$1.1M damage

Blaine, MT · May 7, 2024

A closed upper level low lifted northeast across eastern Montana on May 6th through the 9th. This low merged with a shortwave streaming from the Pacific Northwest.

Read the full account →
Flood$2.0M damage

Hill, MT · Apr 12, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flood$1.0M damage

Blaine, MT · Apr 10, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flood$1.0M damage

Gallatin, MT · Apr 10, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flood$100K damage

Sanders, MT · Dec 11, 2025

Record precipitation fell as a prolonged atmospheric river event gripped the region from December 6 through 12. Much like a garden hose being moved back and forth, the jet stream shifted the focus of this moisture plume across the Pacific Northwest, repeatedly drenching parts of…

Read the full account →
Flood$194K damage

Chouteau, MT · May 7, 2024

A closed upper level low lifted northeast across eastern Montana on May 6th through the 9th. This low merged with a shortwave streaming from the Pacific Northwest.

Read the full account →
Flash Flood$200K damage

Fergus, MT · Jun 7, 2023

Several rounds of rain and thunderstorms affected much of Montana during the first half of June. Flash flooding occurred across portions of the region, especially across Fergus County as well as the Rocky Mountains.

Read the full account →
Flood$100K damage

Beaverhead, MT · Jan 16, 2024

A series of weather systems brought impactful winter weather to the area with light snow developing across north central Montana, becoming more widespread across the region. Dangerously cold wind chills persisted along the Hi-Line.

Read the full account →
Flash Flood$100K damage

Broadwater, MT · Jun 10, 2023

Several rounds of rain and thunderstorms affected much of Montana during the first half of June. Flash flooding occurred across portions of the region, especially across Fergus County as well as the Rocky Mountains.

Read the full account →
Flood$100K damage

Beaverhead, MT · Apr 10, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flood$100K damage

Lewis And Clark, MT · Apr 9, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flash Flood$1.6M damage

Yellowstone, MT · Jun 2, 2023

A very moist, easterly surface flow was in place across the Billings area. An area of moderate to heavy rain, with an occasional embedded thunderstorm, positioned itself over western Yellowstone County during the evening hours of the 2nd.

Read the full account →
Flash Flood$50K damage

Cascade, MT · Jun 5, 2023

Several rounds of rain and thunderstorms affected much of Montana during the first half of June. Flash flooding occurred across portions of the region, especially across Fergus County as well as the Rocky Mountains.

Read the full account →
Flood$50K damage

Liberty, MT · Apr 7, 2023

Unseasonably warm temperatures occurred in the first two weeks of April, with highs near 80 degrees occurring at times. These warm temps, along with occasional rain, resulted in melting of a deep snowpack on top of frozen ground which led to significant runoff into area…

Read the full account →
Flood$804K damage

Stillwater, MT · Mar 23, 2019

Flooding occurred across many areas of south central and southeast Montana during the latter portions of the month. A considerable snow cover existed through the month. Surface and sub-surface ground temperatures remained frozen through the last week of March.

Read the full account →
Flash Flood$500K damage

Flathead, MT · Jun 15, 2022

Periods of convective and upslope precipitation brought areal and river flooding June 11 through June 16. Rainfall of 2 to 6 inches was common for the lower elevations of Northwest Montana between June 11 and June 15.

Read the full account →
Page 1 of 8Next →

View Montana flood zone data →