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Montana Flood Stories

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

Flood

Chouteau, MT · Jun 23, 2018

A trough aloft and embedded low pressure center moved slowly east-southeastward over north-central and southwest Montana on June 23rd. Abundant low-level moisture and cold air aloft associated with the trough allowed scattered showers and thunderstorms to develop via daytime…

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Flood

Lewis And Clark, MT · Jun 20, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

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Flood

Lewis And Clark, MT · Jun 19, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

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Flood

Lewis And Clark, MT · Jun 19, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

Read the full account →
Flood

Lewis And Clark, MT · Jun 19, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

Read the full account →
Flood

Cascade, MT · Jun 19, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

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Flood

Lewis And Clark, MT · Jun 20, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

Read the full account →
Flood

Broadwater, MT · Jun 20, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

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Flood

Cascade, MT · Jun 21, 2018

A slow-moving low pressure system accompanied by unusually-large amounts of moisture affected Montana on the 16th through 19th of June. This system resulted in widespread steady to heavy rainfall across southwest and north-central Montana.

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Flood

Valley, MT · Mar 7, 2020

Recent snowmelt from northern Phillips County and central and northern Valley County contributed to many area creeks and streams running freely and feeding into the main-stem Milk River and Poplar River.

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Flood

Roosevelt, MT · Mar 10, 2020

Recent snowmelt from northern Phillips County and central and northern Valley County contributed to many area creeks and streams running freely and feeding into the main-stem Milk River and Poplar River.

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Flash Flood

Lewis And Clark, MT · May 9, 2018

Multiple thunderstorms developed over north-central and southwest Montana during the afternoon and evening of May 9th, 2018 as a shortwave trough and accompanying Pacific cold front approached from the west.

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Flash Flood

Cascade, MT · Jun 3, 2021

Showers and thunderstorms crossed the Continental Divide during the afternoon of June 3 and strengthened as they moved over the plains of North-Central Montana.

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Flood

Jefferson, MT · May 10, 2018

As a low pressure center aloft consolidated over Washington state, isolated showers and thunderstorms developed over north-central and southwest Montana during the afternoon and early evening of May 10th, 2018. This was especially the case over and near higher terrain.

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Flood

Jefferson, MT · May 10, 2018

As a low pressure center aloft consolidated over Washington state, isolated showers and thunderstorms developed over north-central and southwest Montana during the afternoon and early evening of May 10th, 2018. This was especially the case over and near higher terrain.

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Flood

Roosevelt, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

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Flood

Daniels, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

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Flood

Daniels, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

Read the full account →
Flood

Sheridan, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

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Flood

Phillips, MT · Mar 17, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

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Flood

Roosevelt, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

Read the full account →
Flood

Roosevelt, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

Read the full account →
Flood

Daniels, MT · Mar 16, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

Read the full account →
Flood

Roosevelt, MT · Mar 18, 2017

A warmer than normal period for early March allowed much of the remaining seasonal snowpack to melt. With already saturated soils across the area, the melt water easily caused flooding conditions as the run-off was quickly directed through small streams and creeks toward the…

Read the full account →
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