Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
204 AM MDT Sun Oct 5 2025
MTZ327-051800-
/O.CON.KTFX.WW.Y.0042.000000T0000Z-251005T1800Z/
Northwest Beaverhead County-
Including the following locations: Chief Joseph Pass, Wise River,
Big Hole Pass, Wisdom, and Dewey
204 AM MDT Sun Oct 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Northwest Beaverhead County.
* WHEN...Until noon MDT today.
* IMPACTS...Plan on slushy road conditions with areas of poor
visibility this morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling. The latest road conditions can be
obtained by calling 5 1 1 or visiting the MDT Road Report website.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
204 AM MDT Sun Oct 5 2025
MTZ330-051815-
/O.CON.KTFX.WW.Y.0042.000000T0000Z-251006T0000Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: West Yellowstone, Raynolds
Pass, Big Sky, and Targhee Pass
204 AM MDT Sun Oct 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
* WHAT...Snow. Additional snow accumulations up to 4 inches.
* WHERE...Gallatin and Madison County Mountains and Centennial
Mountains.
* WHEN...Until 6 PM MDT this evening.
* IMPACTS...Plan on slushy road conditions with areas of poor
visibility, especially this morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling. The latest road conditions can be
obtained by calling 5 1 1 or visiting the MDT Road Report website.
Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.
&&
$$
Hoenisch
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1243 PM MDT Sat Oct 4 2025
WYZ012-051300-
/O.CON.KRIW.WW.Y.0026.000000T0000Z-251006T0000Z/
Teton and Gros Ventre Mountains-
1243 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 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...Until 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1238 PM MDT Sat Oct 4 2025
MTZ006-051800-
/O.EXB.KMSO.WW.Y.0036.251005T0900Z-251005T1800Z/
Bitterroot/Sapphire Mountains-
1238 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO NOON MDT SUNDAY...
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations 1 to 5 inches,
with a 50 percent probability for 5 inches above 7000 feet.
* WHERE...Backcountry roads in the Bitterroot and Sapphire Ranges,
Skalkaho Pass, and Lost Trail Pass.
* WHEN...From 3 AM to noon MDT Sunday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
For MODERATE winter weather impacts, expect disruptions to normal
activities. Hazardous traveling conditions. Use extra caution
while driving.
* ADDITIONAL DETAILS...Pack additional supplies for cold, wet and
breezy conditions in the backcountry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1238 PM MDT Sat Oct 4 2025
MTZ007-051800-
/O.CON.KMSO.WW.Y.0036.251005T0600Z-251005T1800Z/
Butte/Blackfoot Region-
1238 PM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
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...Georgetown Lake and backcountry roads. Impacts due to snow
are expected to be above pass levels.
* WHEN...From midnight tonight to noon MDT Sunday.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
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.
&&
$$
