weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Billings MT
907 PM MST Wed Nov 22 2017

MTZ065-066-240415-
/O.CON.KBYZ.WI.Y.0018.000000T0000Z-171124T0600Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
907 PM MST Wed Nov 22 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THURSDAY...

* TIMING...Through Thursday evening.

* IMPACTS...Dangerous crosswinds along I-90 from Livingston to
  Springdale, and roads near Nye.

* WINDS...Gusts 40 to 50 mph tonight will increase Thursday with
  gusts 60 to 70 mph expected during the afternoon and evening.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$

http://weather.gov/Billings


High Wind Watch


URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
238 PM MST Wed Nov 22 2017

MTZ008-015-052>055-231100-
/O.CON.KTFX.HW.A.0012.171123T2100Z-171124T1200Z/
Beaverhead-Madison-Jefferson-Broadwater-Meagher-Gallatin-
Including the following locations Big Hole Pass, Wisdom, Dillon,
Chief Joseph Pass, Monida Pass, Wise River, Ennis, Norris Hill,
Raynolds Pass, Twin Bridges, Virginia City, Montana City,
Boulder, Boulder Hill, Elk Park Pass, Homestake Pass, Whitehall,
Toston, Townsend, Martinsdale, White Sulphur Springs, Bozeman,
West Yellowstone, Battle Ridge Pass, Bozeman Pass,
and Targhee Pass
238 PM MST Wed Nov 22 2017

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE THURSDAY NIGHT...

* Winds: Southwest 20 to 30 mph with gusts up to 65 mph.

* Timing: Winds will strengthen during the day on Thanksgiving.
  Strong winds may then be found Thursday afternoon through late
  Thursday night.

* Impacts: Damaging winds will blow down trees and power lines.
  Widespread power outages are possible. Travel will be difficult,
  especially for high profile vehicles. Holiday shoppers,
  travelers, and those outdoors can expect high wind impacts,
  especially between 4 PM and 10 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph, or gusts of
58 mph or stronger, may occur. Continue to monitor the latest
forecasts.

&&


$$

http://www.weather.gov/greatfalls

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
231 PM MST Wed Nov 22 2017

...Strong winds likely to return to the wind-prone areas of
southeast Wyoming Thursday night into Friday...

WYZ106-110-116-117-231115-
/O.NEW.KCYS.HW.A.0028.171124T0200Z-171124T1900Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-
Including the cities of Bordeaux, Arlington, Elk Mountain,
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal,
and Horse Creek
231 PM MST Wed Nov 22 2017

...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from Thursday evening through Friday
morning.

* TIMING...Thursday evening through Friday morning.

* WINDS...West or northwest increasing to 25 to 40 mph with gusts
  over 60 mph possible.

* IMPACTS...Mainly to transportation on Interstate 80 and 25
  across southeast Wyoming. Blow off and blow over risk for
  lightweight and high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
58 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
108 PM MST Wed Nov 22 2017

...High Winds possibly returning to the Absarokas and Cody
Foothills Thursday...

.An approaching front may mix strong mid level winds to the
surface and bring high winds to portions of the Absarokas and Cody
Foothills.

WYZ002-003-231000-
/O.NEW.KRIW.HW.A.0025.171123T1200Z-171124T1200Z/
Absaroka Mountains-Cody Foothills-
Including the cities of Cody and Meeteetse
108 PM MST Wed Nov 22 2017

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
THURSDAY NIGHT...

The National Weather Service in Riverton has issued a High Wind
Watch, which is in effect from late tonight through late Thursday
night.

* TIMING...Winds increasing late tonight and becoming strong early
  Thursday morning and continuing into Thursday night.

* WINDS...West 30 to 40 mph with gusts to 60 mph in the Cody
  Foothills, with higher gusts possible around Clark. In the
  Absarokas, west winds 35 to 50 mph with gusts to 75 mph.

* IMPACTS...Strong cross winds may produce a significant blow
  over threat to trucks pulling light weight and high profile
  trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
58 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Riverton WY
912 PM MST Wed Nov 22 2017

WYZ025-026-231100-
Upper Green River Basin Foothills-Upper Green River Basin-
Including the cities of Pinedale, La Barge, Big Piney, and Farson
912 PM MST Wed Nov 22 2017

...Freezing Fog will Impact the Upper Green River Basin Tonight...

Through the predawn hours of Thanksgiving, areas of fog will be
encountered across the Upper Green River Basin, including the
cites of Pinedale and Big Piney. Motorists should be prepared for
rapidly changing visibility to under a quarter mile at times. In
addition, temperatures will be near to just below freezing which
could result in fog depositing some ice on exposed, elevated
surfaces. Motorists are urged to slow down, use low beams when
fog is encountered, and be aware some black ice could be present
on area roadways especially on bridges.

$$

21


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1116 AM MST Wed Nov 22 2017

COZ030>051-231830-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1116 AM MST Wed Nov 22 2017

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...This Afternoon and Tonight

Isolated light snow showers over the mountains will dissipate
overnight. Little or no accumulation is expected. West winds will
gust in the 30 to 45 mph range. On the plains it will be warm with
wind gusts to 30 mph mainly near the foothills and the northern
Colorado border.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There will be a few snow showers in the northern mountains Friday
night, with a slightly better chance of snow showers over all the
mountains next Monday night and Tuesday. Otherwise, dry weather
with above normal temperatures will continue for the next several
days.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Gimmestad/RJK

Hazardous Weather Outlook
National Weather Service Cheyenne WY
928 AM MST Wed Nov 22 2017

WYZ106-110-116-117-231345-
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-
928 AM MST Wed Nov 22 2017

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Winds around 30 MPH with gusts over 40 MPH will occur mainly this
morning over the wind prone areas of southeast Wyoming.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Very strong winds are expected again late Thursday night and
Friday morning.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
430 AM MST Wed Nov 22 2017

COZ001>014-017>023-UTZ022>025-027>029-231130-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-
Upper Gunnison River Valley-Uncompahgre Plateau and Dallas Divide-
Northwest San Juan Mountains-Southwest San Juan Mountains-
Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
430 AM MST Wed Nov 22 2017

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

Light isolated to scattered snow showers will impact the northern
Colorado mountains today. Accumulations will be less than 2 inches
across the Park and Gore Ranges, mainly above timberline. This
activity will have little impact on travel over the passes and
high mountain roadways.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Mainly dry and warmer conditions are expected through the
remainder of the week and this weekend. Snow chances may return
early next week, though timing and impacts aren`t yet clear as
model agreement remained less than desirable.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE