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Home Return to list Areal Flood Watch 0006 Issued by the Great Falls Forecast Office
Action: New Issued At: 2026-08-13 11:50:17
670
WGUS65 KTFX 131650
FFATFX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Great Falls MT
1050 AM MDT Thu Aug 13 2026
MTZ322-140600-
/O.NEW.KTFX.FA.A.0006.260813T2000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Elkhorn and Boulder Mountains-
Including the cities of Clancy, Homestake Pass, Wickes, Elk Park
Pass, Corbin, Boulder, and Montana City
1050 AM MDT Thu Aug 13 2026
...FLOOD WATCH IN EFFECT FROM 2 PM MDT THIS AFTERNOON THROUGH THIS
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of central Montana, including the following area,
Elkhorn and Boulder Mountains.
* WHEN...From 2 PM MDT this afternoon through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and flood-prone locations such as poor drainage
areas, urban areas, and burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall, which may lead to flash flooding and debris flows on
recent burn scars.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
MTZ327-140600-
/O.CON.KTFX.FF.A.0005.260813T1900Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northwest Beaverhead County-
Including the cities of Wise River, Wisdom, Dewey, Chief Joseph Pass,
and Big Hole Pass
1050 AM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN RANGE BURN SCAR REMAINS
IN EFFECT THROUGH THIS EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Bobcat Lakes and Sand Creek burn
scars in the Pioneer Mountains.
* WHERE...The Pioneer Mountain Range.
* WHEN...Through this evening.
* IMPACTS...Heavy rainfall over the Bobcat Lakes and Sand Creek burn
scars is expected up to and during the period of the watch.
Residents near the Bobcat Lakes and Sand Creek burn scars should
prepare for the potential of debris flows moving through the
Pioneer Mountain Range. Be sure to stay up to date with information
from local authorities. Heavy rainfall could trigger flash flooding
of low-lying areas, and debris flows in and near recent wildfire
burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows. Additional flood statements might be needed for
Friday.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
MTZ320-140600-
/O.CON.KTFX.FF.A.0005.260814T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Big Belt, Bridger and Castle Mountains-
Including the cities of Deep Creek Pass, Battle Ridge Pass, Bozeman
Pass, Trident, and Maudlow
1050 AM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE HORSE GULCH BURN SCAR REMAINS IN EFFECT
FROM 6 PM MDT THIS EVENING THROUGH THIS EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Horse Gulch burn scar and the
Riverside Campground.
* WHERE...A portion of central Montana, including the following
areas, Horse Gulch burn scar, including Riverside Campground.
* WHEN...From 6 PM MDT this evening through this evening.
* IMPACTS...Heavy rainfall over the Horse Gulch burn scar is expected
up to and during the period of the watch. Residents near the Horse
Gulch burn scar and Riverside Campground should prepare for
potential debris flow. Be sure to stay up to date with information
from local authorities. Heavy rainfall could trigger flash flooding
of low-lying areas and debris flows in and near recent wildfire
burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Horse Gulch burn scar, which may lead to flash
flooding and debris flows. Additional heavy rainfall is possible
on Friday, and additional flood statements may be needed over the
coming days.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Moldan
Action: Continued Issued At: 2026-08-13 23:06:24
248
WGUS65 KTFX 140405
FFATFX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Great Falls MT
1005 PM MDT Thu Aug 13 2026
MTZ327-142200-
/O.NEW.KTFX.FF.A.0006.260814T1900Z-260815T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTFX.FF.A.0005.000000T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northwest Beaverhead County-
Including the cities of Chief Joseph Pass, Wise River, Wisdom, Dewey,
and Big Hole Pass
1005 PM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN BURN SCARS IN EFFECT
FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
are possible over the Bobcat Lakes and Sand Creek burn scars in the
Pioneer Mountains.
* WHERE...The Pioneer Mountain range.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Heavy rainfall over the Pioneer Mountains is possible
during the period of the watch. Residents near the fires and burn
scars should prepare for potential debris flow. Be sure to stay up
to date with information from local authorities. Heavy rainfall
could trigger flash flooding of low-lying areas, and debris flows
in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN RANGE BURN SCAR REMAINS
IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Bobcat Lakes and Sand Creek burn
scars in the Pioneer Mountains.
* WHERE...The Pioneer Mountain Range.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Heavy rainfall over the Bobcat Lakes and Sand Creek burn
scars is expected up to and during the period of the watch.
Residents near the Bobcat Lakes and Sand Creek burn scars should
prepare for the potential of debris flows moving through the
Pioneer Mountain Range. Be sure to stay up to date with information
from local authorities. Heavy rainfall could trigger flash flooding
of low-lying areas, and debris flows in and near recent wildfire
burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
MTZ322-140600-
/O.CON.KTFX.FA.A.0006.000000T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Elkhorn and Boulder Mountains-
Including the cities of Boulder, Clancy, Elk Park Pass, Wickes,
Homestake Pass, Corbin, and Montana City
1005 PM MDT Thu Aug 13 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of central Montana, including the following area,
Elkhorn and Boulder Mountains.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and flood-prone locations such as poor drainage
areas, urban areas, and burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall, which may lead to flash flooding and debris flows on
recent burn scars.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
MTZ320-140600-
/O.CON.KTFX.FF.A.0005.000000T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Big Belt, Bridger and Castle Mountains-
Including the cities of Battle Ridge Pass, Maudlow, Trident, Deep
Creek Pass, and Bozeman Pass
1005 PM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE HORSE GULCH BURN SCAR REMAINS IN EFFECT
UNTIL MIDNIGHT MDT TONIGHT...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Horse Gulch burn scar and the
Riverside Campground.
* WHERE...A portion of central Montana, including the following
areas, Horse Gulch burn scar, including Riverside Campground.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Heavy rainfall over the Horse Gulch burn scar is expected
up to and during the period of the watch. Residents near the Horse
Gulch burn scar and Riverside Campground should prepare for
potential debris flow. Be sure to stay up to date with information
from local authorities. Heavy rainfall could trigger flash flooding
of low-lying areas and debris flows in and near recent wildfire
burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Horse Gulch burn scar, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Horse Gulch burn scar and Riverside Campground.
- For flood safety, go to this web page.
http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AM
Action: Expired Issued At: 2026-08-14 00:34:42
543
WGUS65 KTFX 140534
FFATFX
Flood Watch
National Weather Service Great Falls MT
1134 PM MDT Thu Aug 13 2026
MTZ322-140645-
/O.EXP.KTFX.FA.A.0006.000000T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Elkhorn and Boulder Mountains-
Including the cities of Boulder, Clancy, Elk Park Pass, Wickes,
Homestake Pass, Corbin, and Montana City
1134 PM MDT Thu Aug 13 2026
...FLOOD WATCH WILL EXPIRE AT MIDNIGHT MDT TONIGHT...
The Flood Watch will expire for a portion of central Montana,
including the following area, Elkhorn and Boulder Mountains.
The flash flooding threat has ended. Therefore, the Flood Watch will
expire at midnight MDT tonight.
$$
MTZ327-150000-
/O.EXP.KTFX.FF.A.0005.000000T0000Z-260814T0600Z/
/O.CON.KTFX.FF.A.0006.260814T1900Z-260815T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northwest Beaverhead County-
Including the cities of Chief Joseph Pass, Wise River, Wisdom, Dewey,
and Big Hole Pass
1134 PM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN RANGE BURN SCAR AND
HORSE GULCH BURN SCAR WILL EXPIRE AT MIDNIGHT MDT TONIGHT...
The flash flooding threat has ended. Therefore, the Flash Flood Watch
will expire at midnight MDT tonight.
&&
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN BURN SCARS REMAINS IN
EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
are possible over the Bobcat Lakes and Sand Creek burn scars in the
Pioneer Mountains.
* WHERE...The Pioneer Mountain range.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Heavy rainfall over the Pioneer Mountains is possible
during the period of the watch. Residents near the fires and burn
scars should prepare for potential debris flow. Be sure to stay up
to date with information from local authorities. Heavy rainfall
could trigger flash flooding of low-lying areas, and debris flows
in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
MTZ320-140645-
/O.EXP.KTFX.FF.A.0005.000000T0000Z-260814T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Big Belt, Bridger and Castle Mountains-
Including the cities of Battle Ridge Pass, Maudlow, Trident, Deep
Creek Pass, and Bozeman Pass
1134 PM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE PIONEER MOUNTAIN RANGE BURN SCAR AND
HORSE GULCH BURN SCAR WILL EXPIRE AT MIDNIGHT MDT TONIGHT...
The flash flooding threat has ended. Therefore, the Flash Flood Watch
will expire at midnight MDT tonight.
$$
AM
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