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Flash Flood Watch


Flood Watch
National Weather Service Pocatello ID
255 PM MDT Thu Oct 2 2025

IDZ072-032100-
/O.CON.KPIH.FF.A.0006.251003T0000Z-251003T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sawtooth/Stanley Basin-
Including the cities of Stanley
255 PM MDT Thu Oct 2 2025

...FLASH FLOOD WATCH FOR THE WAPITI BURN SCAR REMAINS IN EFFECT FROM
6 PM MDT THIS EVENING THROUGH FRIDAY AFTERNOON...

* WHAT...Flash flooding and debris flows caused by excessive
  rainfall continue to be possible over the Wapiti burn scar.

* WHERE...A portion of central Idaho, including the following area,
  Sawtooth/Stanley Basin.

* WHEN...From 6 PM MDT this evening through Friday afternoon.

* IMPACTS...Heavy rainfall over the Wapiti burn scar is expected
  during the period of the watch. Anyone in or near the Wapiti burn
  scar should prepare for potential flooding impacts. Be sure to
  stay up to date with information from local authorities. Heavy
  rainfall could trigger flash flooding and debris flows in and near
  recent wildfire burn scars.

* ADDITIONAL DETAILS...
  - National Weather Service Meteorologists are forecasting heavy
    rainfall over the Wapiti burn scar, which may lead to flash
    flooding and debris flows most likely along SH-21 near Banner
    Summit.
  - 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.

&&

$$

McKaughan


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
134 PM MDT Fri Oct 3 2025

MTZ330-041045-
/O.UPG.KTFX.WS.A.0015.251005T0000Z-251006T0000Z/
/O.NEW.KTFX.WW.Y.0042.251005T0000Z-251006T0000Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, Targhee Pass,
Big Sky, and West Yellowstone
134 PM MDT Fri Oct 3 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SATURDAY TO 6 PM MDT
SUNDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations of 3 to
  7 inches above 6000 feet.

* WHERE...Gallatin and Madison County Mountains and Centennial
  Mountains.

* WHEN...From 6 PM Saturday to 6 PM MDT Sunday.

* IMPACTS...Cold, wet, and raw outdoor conditions. Increased risk
  for hypothermia for those not properly dressed for the weather.
  Forest roads may become difficult to travel or impassible due to
  muddy and slushy conditions.

* ADDITIONAL DETAILS...Isolated power outages for areas that receive
  heavier snow falling onto power lines and or trees with full
  foliage.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions can be obtained by calling 5 1 1 or visiting the MDT Road
Report website.



&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
102 PM MDT Fri Oct 3 2025

WYZ012-041300-
/O.NEW.KRIW.WW.Y.0026.251004T1800Z-251006T0000Z/
Teton and Gros Ventre Mountains-
102 PM MDT Fri Oct 3 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SATURDAY TO 6 PM MDT
SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 5 to 8 inches
  above 9000 feet. Elevations between 7000 and 9000 feet can see
  total snow accumulations of a trace to 5 inches. Snow totals 5 to
  8 inches along Togwotee Pass.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...From noon Saturday to 6 PM MDT Sunday.

* IMPACTS...Travel could be difficult at times over mountain passes,
  namely along Togwotee Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1215 PM MDT Fri Oct 3 2025

MTZ007-041815-
/O.NEW.KMSO.WW.Y.0036.251005T0600Z-251005T1800Z/
Butte/Blackfoot Region-
1215 PM MDT Fri Oct 3 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO
NOON MDT SUNDAY ABOVE 5500 FEET...

* WHAT...Snow expected above 5500 feet. There is a likelihood of
  minor to moderate winter weather impacts, for early season snow.
  Total snow accumulations of 2 to 4 inches.

* WHERE...Backcountry roads. Impacts due to snow are expected to be
  above pass levels.

* WHEN...From midnight Saturday Night to noon MDT Sunday.

* IMPACTS...For MODERATE winter weather impacts, expect disruptions
  to normal activities. Hazardous traveling conditions. Use extra
  caution while driving. Closures and disruptions to infrastructure
  may occur.

* ADDITIONAL DETAILS...Pack additional supplies for cold, wet and
  breezy conditions in the backcountry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$


Winter Storm Watch


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
235 AM MDT Fri Oct 3 2025

MTZ067-068-040845-
/O.CON.KBYZ.WS.A.0015.251004T1200Z-251006T0000Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
235 AM MDT Fri Oct 3 2025

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SUNDAY AFTERNOON...

* WHAT...Moderate to heavy snow. Total snow accumulations between 8
  and 18 inches possible, greatest on north aspects of the
  Beartooths.

* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.

* WHEN...From Saturday morning through Sunday afternoon.

* IMPACTS...Recreation in the high country will be impacted by heavy
  accumulating snow.

* ADDITIONAL DETAILS...Heaviest snow accumulations will occur above
  8,000 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
304 AM MDT Fri Oct 3 2025

WYZ001>020-022>030-041315-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
304 AM MDT Fri Oct 3 2025

...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON FOR THE ABSAROKA MOUNTAINS AND BIGHORN MOUNTAINS...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Showers returning to western Wyoming with strong thunderstorms
possible in the afternoon. Elevated fire weather likely in the
afternoon from Rock Springs through Casper.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...Periods of rain likely across much of the area. Snow
likely in the mountains with several inches at the higher
elevations of the Absaroka, Wind River, and Bighorn Mountains,
with the worst conditions Saturday night.

Sunday...Light to moderate snow continues in the mountains. Sub
freezing temperatures possible at lower elevations Sunday night.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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