09/17/2026
Flood Watch
National Weather Service Billings MT
1206 PM MDT Thu Sep 17 2026A strong slow moving Fall storm system will impact the region from
Friday night through Sunday. Well above normal atmospheric moisture
levels combined with the dynamics from this storm system will provide
the potential for heavy rainfall during this period. Thunderstorms
embedded in the more general rainfall will have the potential to
produce flash flooding, particularly over recent burn scars.
Musselshell-Treasure-Northern Rosebud-Northern Stillwater-Powder
River-Northern Park-Golden Valley-Red Lodge Foothills-Northern
Big Horn-Southern Rosebud-Judith Gap-Paradise Valley-Livingston
Area-Beartooth Foothills-Absaroka/Beartooth Mountains-Crazy
Mountains-Southern Big Horn-Southeastern Carbon-Northern Sweet
Grass-Bighorn Canyon-Northern Carbon-Pryor/Northern Bighorn
Mountains-Melville Foothills-Northeastern Yellowstone-Southern
Wheatland-Southwestern Yellowstone-Northeast Bighorn Mountains-
Sheridan Foothills-
Including the locations of Pompeys Pillar, McLeod, Joliet, Harlowton,
Colstrip, Fort Smith, Big Timber, Lame Deer, Absarokee, Melville,
Custer, Lodge Grass, Fromberg, Wilsall, Sheridan, Columbus, Hysham,
Red Lodge, Forsyth, Clyde Park, Emigrant, Lavina, Livingston,
Fishtail, Roundup, Hardin, Broadus, Ryegate, Pryor, Burgess Jct,
Bridger, Judith Gap, Cooke City, Crow Agency, and Billings
1206 PM MDT Thu Sep 17 2026..FLOOD WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY
AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is possible, along
with Flash Flooding of recent burn scars.
* WHERE...All of South Central Montana, Portions of Southeast
Montana, and Sheridan County Wyoming.
* WHEN...From Friday evening through Sunday afternoon.
* IMPACTS...Excessive runoff may result in flooding of creeks,
streams, and other low-lying and flood-prone locations. Flooding
may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- 1 to 2.5 inches of rainfall is forecast across the watch area
Friday night through Sunday. Locally heavier accumulations up to
4 inches are possible where thunderstorm activity develops.
- The Robertson Draw, East Side, Elk, and McGhee-Remington burn
scars are particularly vulnerable to Flash Flooding and debris
flows during the watch period. Any other burn scars from this
summer will have elevated Flash Flood potential as well.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Flooding is a coast-to-coast threat to some part of the United States and its territories nearly every day of the year. This site is designed to teach you how to stay safe in a flood event. If you know what to do before, during, and after a flood you can increase your chances of survival and bet...