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High Wind Warning


URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1052 AM MST Mon Dec 18 2017

...HIGH WIND WARNING IN EFFECT TODAY FOR THE BORDEAUX AREA
INCLUDING INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND WYOMING...

...HIGH WIND WARNING IN EFFECT TODAY FOR THE INTERSTATE 80 SUMMIT
BETWEEN CHEYENNE AND LARAMIE...

...HIGH WIND WARNING IN EFFECT TODAY FOR THE ARLINGTON AREA ALONG
INTERSTATE 80 WEST OF LARAMIE...

WYZ106-110-116-117-190000-
/O.CON.KCYS.HW.W.0043.000000T0000Z-171219T0000Z/
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
1052 AM MST Mon Dec 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...Through mid-afternoon.

* WINDS...Sustained west winds 30 to 40 mph with local gusts
  around 60 mph.

* IMPACTS...Mainly to transportation. Sudden cross winds will
  create hazardous travel for lightweight and high profile
  vehicles, especially on north to south oriented roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
422 AM MST Mon Dec 18 2017

MTZ065-066-190100-
/O.CON.KBYZ.HW.W.0013.000000T0000Z-171219T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
422 AM MST Mon Dec 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* TIMING...Through this afternoon.

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

* WINDS...Wind gusts to 81 mph have occurred the past several
  hours. Southwest gusts 65 to 80 mph will continue through this
  morning with gusts 60 to 70 mph this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds of these magnitudes can cause property damage without extra
precautions. Motorists in high profile vehicles should use
caution and consider alternate routes until the winds subside.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Riverton WY
1225 PM MST Mon Dec 18 2017

WYZ011-019-020-190000-
Southeast Johnson County-Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-
Including the cities of Kaycee, Jeffrey City, and Casper
1225 PM MST Mon Dec 18 2017

Strong southwest winds will continue across the area this
afternoon. Winds of 25 to 35 mph with gusts as high as 55 mph can
be expected. Some roads that can be impacted include Wyoming
Boulevard south of Casper and Interstate 25 between Buffalo and
Casper. Strong cross winds can be expected in these areas  and
may impact light weight and high profile vehicles.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Riverton WY
1227 PM MST Mon Dec 18 2017

WYZ001>020-022>030-191930-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn 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-
1227 PM MST Mon Dec 18 2017

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Today and Tonight.

Strong winds are possible from the Red Desert through southern
Johnson County this afternoon.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday Night into Wednesday morning...Strong wind possible
across the Cody Foothills and southern wind corridor from Jeffrey
City to Casper.

Wednesday through Thursday morning...Another storm system will
spread snow and much colder air southeast across the area.

Friday and Saturday...An arctic cold front and storm system will
spread snow and bitter cold air across the area.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report wind gusts over 50 mph. Thank you.


$$

TEAM RIVERTON

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
913 AM MST Mon Dec 18 2017

COZ030>051-191615-
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-
913 AM MST Mon Dec 18 2017

...MUCH COLDER WEATHER MOVING INTO COLORADO THURSDAY...

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

.DAY ONE...Today and Tonight

Warmer weather can be expected today. It will be breezy in the
foothills and along the northern Colorado border where peak gusts
will reach 25 to 35 mph.

A flat ridge of high pressure building into the area will bring
the warmer and dry weather.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Dry and warm weather will continue Tuesday and Wednesday. A cold
airmass will move in Thursday morning associated with a cold front
and passing upper level storm system. There will be a good chance
of snow over the mountains and northeast Colorado plains. The
mountains should receive a few inches of snow while the plains see
up to a couple inches. Cold temperatures will continue on Friday.
Another cold front is expected to arrive on Saturday with even
colder temperatures and another chance of snow. High temperatures
through the weekend may only be in the teens on the plains and
even colder in the mountains. Low temperatures Sunday morning
could drop below zero.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
352 AM MST Mon Dec 18 2017

WYZ101>119-191100-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
352 AM MST Mon Dec 18 2017

This hazardous weather outlook is for southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Periods of strong gusty winds are expected across the wind prone
areas along Interstate 80 and Interstate 25 today. A High Wind
Warning is in effect for portions of Interstate 80 between Laramie
and Rawlins, Cheyenne and Laramie, and Interstate 25 between
Chugwater and Wheatland for strong winds up to 65 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A strong cold front will sweep across the region Wednesday night
and Thursday. This front will be accompanied by widespread
accumulating snowfall, some drifting snow, and much colder
temperatures. Morning lows in the single digits below zero are
possible Friday.

An arctic cold front is forecast to move into the region during
the weekend bringing more snowfall and the potential for bitter
cold temperatures. Those with early holiday travel plans late
this week and into the weekend should continue to monitor the
latest weather forecasts.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Billings MT
317 AM MST Mon Dec 18 2017

MTZ029>040-042-056>058-063-064-067-068-WYZ098-099-191030-
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-
Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-Golden Valley-
Red Lodge Foothills-Northern Big Horn-Southern Rosebud-Judith Gap-
Paradise Valley-Absaroka/Beartooth Mountains-Crazy Mountains-
Northeast Bighorn Mountains-Sheridan Foothills-
317 AM MST Mon Dec 18 2017

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana...southeast Montana and north
central Wyoming.

* WHAT... Significant Weather Change...Snow and Cold Temperatures.

* WHERE...Southern Montana and North Central Wyoming

* WHEN...Wednesday continuing through the weekend.

* ADDITIONAL DETAILS...Expect a strong cold front Wednesday to
  bring rapidly falling temperatures and snow. Even colder air and
  more snow arrives Friday. Temperatures in the single digits or
  less should be expected by the weekend.

* ADDITIONAL HAZARD CONCERNS...Initial snow will fall onto warm
  roads and then freeze creating a layer of ice underneath snow
  cover. There will be periods of increased wind Thursday and
  Friday which could cause blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Billings MT
317 AM MST Mon Dec 18 2017

MTZ028-041-065-066-191030-
Southern Wheatland-Northern Sweet Grass-Livingston Area-
Beartooth Foothills-
317 AM MST Mon Dec 18 2017

This Hazardous Weather Outlook is for portions of central Montana
and south central Montana.

* WHAT... Severe Winds, Significant Weather Change, and Cold
Temperatures.

* WHERE...From Livingston to Big Timber also Nye to Harlowton

* WHEN...Today through the weekend.

* ADDITIONAL DETAILS...Severe winds today will decrease tonight and
  increase again on Tuesday. A strong cold front Wednesday will
  bring rapidly falling temperatures and snow. Even colder air and
  more snow arrives Friday. Temperatures in the single digits or
  less should be expected by the weekend.

* ADDITIONAL HAZARD CONCERNS...Initial snow Wednesday will fall
  onto warm roads and then freeze creating a layer of ice
  underneath snow cover. There will be periods of increased wind
  Thursday and Friday which could cause blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

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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