Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
221 AM MDT Sat Oct 4 2025
MTZ330-042330-
/O.CON.KTFX.WW.Y.0042.251005T0000Z-251006T0000Z/
Gallatin and Madison County Mountains and Centennial Mountains-
Including the following locations: Raynolds Pass, Big Sky, West
Yellowstone, and Targhee Pass
221 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
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 this evening 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.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
221 AM MDT Sat Oct 4 2025
MTZ302-042330-
/O.CON.KTFX.WW.Y.0042.251005T0600Z-251005T1800Z/
Northern High Plains-
Including the following locations: Dupuyer, Browning, and Heart
Butte
221 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON MDT SUNDAY...
* WHAT...Snow expected. Total snow accumulations up to two inches.
Winds gusting as high as 35 mph.
* WHERE...Northern High Plains.
* WHEN...From midnight tonight to noon MDT Sunday.
* IMPACTS...A period of winter travel conditions will develop late
tonight through early Saturday morning including some slushy roads
and periods of lower visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling. The latest road conditions can be
obtained by calling 5 1 1 or visiting the MDT Road Report website.
Remember, a Winter Weather Advisory means that there is at least an
80% chance of minor impacts due to winter weather conditions during
the advisory period.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
221 AM MDT Sat Oct 4 2025
MTZ307-317-318-042330-
/O.CON.KTFX.WW.Y.0042.251005T0600Z-251005T1800Z/
Southern Rocky Mountain Front-Little Belt and Highwood Mountains-
Snowy and Judith Mountains-
Including the following locations: Monarch, Neihart, Kings Hill
Pass, and Rogers Pass
221 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON MDT SUNDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches
with highest amounts over Kings Hill. Winds gusting as high as 35
mph.
* WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains,
and Southern Rocky Mountain Front.
* WHEN...From midnight tonight to noon MDT Sunday.
* IMPACTS...Cold, wet and raw conditions will be hazardous for those
not prepared. A period of winter travel conditions will develop
late tonight through early Saturday morning including some slushy
roads and periods of lower visibility.
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.
&&
$$
Hoenisch
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
235 AM MDT Sat Oct 4 2025
WYZ002-015-050000-
/O.CON.KRIW.WW.Y.0026.251004T1800Z-251006T0000Z/
Absaroka Mountains-Wind River Mountains East-
235 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
MDT SUNDAY...
* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
above 9000 feet with amounts of 10 to 15 inches above 10000 feet.
Elevations between 7000 and 9000 feet can see total snow
accumulations of a trace to 6 inches.
* WHERE...Wind River Mountains East and Absaroka Mountains.
* WHEN...From noon today to 6 PM MDT Sunday.
* IMPACTS...Travel could be difficult at times, especially over
mountain passes and roads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
235 AM MDT Sat Oct 4 2025
WYZ008-009-050000-
/O.CON.KRIW.WW.Y.0026.251005T0000Z-251006T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
235 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT SUNDAY...
* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
inches above 9000 feet with localized amounts of 14 to 18 inches
in the highest peaks. Elevations between 7000 and 9000 feet can
see total snow accumulations of a trace to 6 inches.
* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.
* WHEN...From 6 PM this evening to 6 PM MDT Sunday.
* IMPACTS...Travel could be difficult at times especially along US
14 over Granite Pass and US 16 over Powder River Pass.
* ADDITIONAL DETAILS...Heaviest snow expected to occur Sunday
afternoon.
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 .
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Hattings
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
225 AM MDT Sat Oct 4 2025
MTZ171-WYZ198-050830-
/O.CON.KBYZ.WW.Y.0034.251005T0000Z-251006T0600Z/
Pryor/Northern Bighorn Mountains-Northeast Bighorn Mountains-
Including the locations of Burgess Jct and Story
225 AM MDT Sat Oct 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO MIDNIGHT MDT SUNDAY NIGHT...
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches, greatest on north aspects. Winds gusting as high as 35 mph.
* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
Northeast Bighorn Mountains.
* WHEN...From 6 PM this evening to midnight MDT Sunday Night.
* IMPACTS...Recreation in the high country will be impacted by heavy
accumulating snow. Expect difficult travel conditions on US-14 and
US-14A through Burgess Junction.
* ADDITIONAL DETAILS...Heaviest snow accumulations will occur above
8000 feet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreation in the mountains will be hazardous due to harsh wintry
conditions. For the latest road conditions, call 5 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Lester
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
1215 PM MDT Fri Oct 3 2025
MTZ043-041815-
/O.NEW.KMSO.WW.Y.0036.251005T0600Z-251005T1800Z/
Potomac/Seeley Lake Region-
1215 PM MDT Fri Oct 3 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO
NOON MDT SUNDAY ABOVE 5500 FEET...
* WHAT...Snow expected above 5500 feet. There is a likelihood of
minor to moderate winter weather impacts, for early season snow.
Total snow accumulations of 2 to 4 inches.
* WHERE...Backcountry roads in the Potomac/Seeley Lake Region.
* WHEN...From midnight Saturday Night to noon MDT Sunday.
* IMPACTS...For MODERATE winter weather impacts, expect disruptions
to normal activities. Hazardous traveling conditions. Use extra
caution while driving. Closures and disruptions to infrastructure
may occur.
* ADDITIONAL DETAILS...Pack additional supplies for cold, wet and
breezy conditions in the backcountry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
