Winter Storm Watch
URGENT - WINTER WEATHER MESSAGE
National Weather Service Boise ID
238 PM MST Thu Nov 30 2023
IDZ011-013-011400-
/O.CON.KBOI.WW.Y.0020.231201T0000Z-231202T1200Z/
/O.CON.KBOI.WS.A.0003.231202T1200Z-231204T0000Z/
West Central Mountains-Boise Mountains-
238 PM MST Thu Nov 30 2023
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 AM MST SATURDAY
THROUGH 5 PM MST SUNDAY...
* WHAT...For the Winter Weather Advisory, snow expected. Total
snow accumulations of 3 to 5 inches . For the Winter Storm
Watch, heavy snow possible. Total snow accumulations 6 to 12
inches, except 24 to 36 inches above 6000 ft possible.
* WHERE...West Central Mountains and Boise Mountains zones.
* WHEN...For the Winter Weather Advisory, until 5 AM MST Saturday.
For the Winter Storm Watch, from 5 AM MST Saturday through 5 PM
MST Sunday.
* IMPACTS...Travel could be very difficult to impossible.
* ADDITIONAL DETAILS..Winds will create periods of blowing snow
Friday through Saturday night.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
Monitor the latest forecasts for updates on this situation.
The latest road conditions can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
236 PM MST Thu Nov 30 2023
COZ031-011200-
/O.NEW.KBOU.WS.A.0012.231202T0700Z-231204T0600Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
236 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY EVENING...
* WHAT...Heavy snow and blowing snow possible. Total snow
accumulations between 1 and 2 feet possible. Winds could gust as
high as 55 mph.
* WHERE...Rabbit Ears Pass.
* WHEN...From late Friday night through Sunday evening.
* IMPACTS...Snow covered roads and blowing snow will make travel
hazardous and difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Roads will be slick resulting in slow and hazardous travel. Allow
extra time to reach your destination.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Meier
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
221 PM MST Thu Nov 30 2023
WYZ112-114-011200-
/O.NEW.KCYS.WS.A.0013.231202T0000Z-231204T0600Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
221 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SUNDAY EVENING...
* WHAT...Heavy mountain snow and blowing snow possible. Total snow
accumulations of 10 to 20 inches expected, with isolated maximum
amounts of 2 to 3 feet possible in the Sierra Madres.
* WHERE...Sierra Madre Range and Snowy Range. The heaviest snow is
expected over the Sierra Madre Range.
* WHEN...5 PM MST Friday until 11 PM MST Sunday. The worst
conditions will occur from Saturday night through early Sunday.
* IMPACTS...Mountain travel could become extremely dangerous or
impossible due to icy, snow packed roads and near zero
visibilities in falling and blowing snow. Outdoor recreation
could be life threatening to those caught unprepared for severe
winter conditions. Hikers and snowmobilers may easily become
disoriented. Remember, frostbite and hypothermia can develop
quickly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
CLH
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
202 PM MST Thu Nov 30 2023
COZ004-011200-
/O.NEW.KGJT.WS.A.0012.231202T0000Z-231204T0600Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
202 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SUNDAY EVENING...
* WHAT...Heavy snow possible. Total snow accumulations of 8 to 16
inches with up to 2 feet possible on favored west facing ridges.
Winds could gust as high as 45 mph.
* WHERE...Elkhead and Park Mountains.
* WHEN...From Friday afternoon through Sunday evening.
* IMPACTS...Travel could become very difficult to impossible.
Patchy blowing snow could significantly reduce visibility. Gusty
winds could bring down tree branches. A detailed map of the
snowfall can be found at: www.weather.gov/gjt/winter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/gjt
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
145 PM MST Thu Nov 30 2023
IDZ056>066-072-011200-
/O.NEW.KPIH.WW.Y.0037.231201T1200Z-231202T1200Z/
/O.EXT.KPIH.WS.A.0011.231202T1200Z-231203T1200Z/
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Sawtooth/Stanley Basin-
Including the cities of Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston,
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor,
Ashton, Tetonia, Driggs, Island Park, Kilgore, and Stanley
145 PM MST Thu Nov 30 2023
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST
SATURDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM 5 AM SATURDAY THROUGH
5 AM SUNDAY...
* WHAT...For the Winter Weather Advisory, snow expected. Total
snow accumulations of 1 to 3 inches, except 4 to 10 inches on
ridge tops and elevations above passes. Winds gusting as high as
40 mph. For the Winter Storm Watch, heavy snow possible. Total
snow accumulations of 1 to 6 inches, except 6 to 18 inches on
ridge tops and elevations above passes possible. Highest totals
across the Sawtooths, Big Holes and into the Bear River Range.
Winds could gust as high as 50 mph.
* WHERE...South Hills, Raft River Region, East and Southeastern
Highlands, the Sawtooths and Stanley Basin.
* WHEN...For the Winter Weather Advisory, from 5 AM Friday to 5
AM MST Saturday. For the Winter Storm Watch, from late Friday
night through late Saturday night.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute. Gusty
winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
Monitor the latest forecasts for updates on this situation.
The latest road conditions can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
145 PM MST Thu Nov 30 2023
IDZ073-011200-
/O.EXT.KPIH.WS.A.0011.231202T1200Z-231203T1200Z/
Sun Valley Region-
Including the cities of Ketchum, Sun Valley, and Galena
145 PM MST Thu Nov 30 2023
...WINTER STORM WATCH NOW IN EFFECT FROM 5 AM SATURDAY MORNING
THROUGH 5 AM SUNDAY MORNING...
* WHAT...Heavy snow possible. Total snow accumulations of 4 to 6
inches possible in the cities of Hailey and Ketchum. 6 to 16
inches above 6500 ft across the area. Winds could gust as high
as 40 mph.
* WHERE...The Sun Valley region
* WHEN...From 5 AM Saturday through 5 AM Sunday.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/pocatello
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
144 PM MST Thu Nov 30 2023
WYZ001-011400-
/O.NEW.KRIW.WS.A.0013.231202T1800Z-231204T1800Z/
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
144 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
* WHAT...Heavy snow possible over southwest Yellowstone National
Park. Total snow accumulations of 12 to 18 inches possible. West
wind could gust 30 to 40 mph.
* WHERE...Yellowstone National Park.
* WHEN...From 11 AM Saturday through 11 AM Monday.
* IMPACTS...The combination of snow and wind will create hazardous
backcountry travel.
* ADDITIONAL DETAILS...Lesser snow totals are expected over
northern Yellowstone. Possible totals range from an inch or two
around Mammoth to closer to 4 to 8 inches near Canyon and Old
Faithful.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
144 PM MST Thu Nov 30 2023
WYZ012-011400-
/O.NEW.KRIW.WS.A.0013.231202T1800Z-231204T1800Z/
Teton and Gros Ventre Mountains-
144 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
* WHAT...Heavy snow possible. Total snow accumulations of 15 to 30
inches possible. West wind could gust 35 to 45 mph over exposed
ridges and open terrain.
* WHERE...Teton and Gros Ventre Mountains.
* WHEN...From 11 AM Saturday through 11 AM Monday.
* IMPACTS...Travel over Teton Pass and Togwotee Pass could be
impacted by the combination of snow and wind.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall in
the Teton Range where totals could approach three feet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
144 PM MST Thu Nov 30 2023
WYZ024-011400-
/O.NEW.KRIW.WS.A.0013.231202T1800Z-231204T1800Z/
Salt River and Wyoming Ranges-
144 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
* WHAT...Heavy snow possible. Total snow accumulations of 12 to 24
inches possible, especially over the northern end of the
mountain ranges. West wind could gust 40 to 50 mph over exposed
ridges and open terrain.
* WHERE...Salt River and Wyoming Ranges.
* WHEN...From 11 AM Saturday through 11 AM Monday.
* IMPACTS...The combination of snow and wind will create hazardous
backcountry travel.
* ADDITIONAL DETAILS...Snow totals of 8 to 14 inches are possible
over the southern end of the mountain ranges.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
144 PM MST Thu Nov 30 2023
WYZ013-011400-
/O.NEW.KRIW.WS.A.0013.231202T1800Z-231204T1800Z/
Jackson Hole-
Including the city of Jackson
144 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
* WHAT...Heavy snow possible. Total snow accumulations of 8 to 14
inches possible. Winds could gust 25 to 35 mph.
* WHERE...Jackson Hole.
* WHEN...From 11 AM Saturday through 11 AM Monday.
* IMPACTS...Travel over open areas of Grand Teton National Park
and locations south and west of Jackson could be impacted by
the combination of snow and wind.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall over
the northern half of Grand Teton National Park. Total snowfall
around the town of Jackson could range from 5 to 9 inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
144 PM MST Thu Nov 30 2023
WYZ023-011400-
/O.NEW.KRIW.WS.A.0013.231202T1800Z-231204T1800Z/
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
144 PM MST Thu Nov 30 2023
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
* WHAT...Heavy snow possible. Total snow accumulations of 7 to 14
inches possible. Winds could gust 20 to 30 mph in open areas.
* WHERE...Star Valley.
* WHEN...From 11 AM Saturday through 11 AM Monday.
* IMPACTS...Travel along US Highway 89 through Star Valley could
be impacted by the combination of snow and wind.
* ADDITIONAL DETAILS...The heaviest snowfall of around one foot
would be most likely to occur near Alpine and along the
foothills of the northern half of Star Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/riw
