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Wind Chill Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
217 PM CST Tue Feb 20 2018

...VERY COLD TEMPERATURES ACROSS NORTHERN NEBRASKA TONIGHT INTO
EARLY MORNING TOMORROW...

.Very cold air will combine with light breezes to create
dangerously low wind chill values across the northeast Panhandle
and the northern Sandhills. The coldest wind chills are
anticipated after midnight tonight across northern Sheridan and
western Cherry counties.

NEZ004-094-211030-
/O.NEW.KLBF.WC.W.0003.180221T0200Z-180221T1600Z/
Sheridan-Western Cherry-
Including the cities of Gordon, Rushville, Cody, Eli, Merriman,
and Kilgore
217 PM CST Tue Feb 20 2018 /117 PM MST Tue Feb 20 2018/

...WIND CHILL WARNING IN EFFECT FROM 8 PM CST /7 PM MST/ THIS
EVENING TO 10 AM CST /9 AM MST/ WEDNESDAY...

* WHAT...Dangerously cold wind chills expected. Expect wind
  chills as low as 35 below zero.

* WHERE...Sheridan and Western Cherry Counties.

* WHEN...From 8 PM CST /7 PM MST/ this evening to 10 AM CST /9
  AM MST/ Wednesday.

* ADDITIONAL DETAILS...The cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1135 AM MST Tue Feb 20 2018

...Wind Chill Warning from Jeffrey City to the Casper area Tonight
and Wednesday Morning...

WYZ019-020-211100-
/O.NEW.KRIW.WC.W.0002.180221T0000Z-180221T1700Z/
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-
Including the cities of Jeffrey City and Casper
1135 AM MST Tue Feb 20 2018

...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 AM
MST WEDNESDAY...

* WHAT...Dangerously cold wind chills expected. Expect wind chills
  of 30 to 40 below zero. The southwest wind of 10 to 20 mph with
  local areas gusting to 30 mph will also cause areas of blowing
  and drifting snow.

* WHERE...Green Mountains and Rattlesnake Range and Natrona
  County Lower Elevations.

* WHEN...From 5 PM this afternoon to 10 AM MST Wednesday.

* ADDITIONAL DETAILS...The dangerously cold wind chills could
  cause frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frostbite
can occur quickly and even hypothermia or death if precautions
are not taken.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/riw


Wind Chill Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
817 PM MST Tue Feb 20 2018

...DANGEROUS WIND CHILLS AGAIN LATE TONIGHT INTO WEDNESDAY
MORNING...

NEZ002-095-WYZ101-102-115-211200-
/O.EXT.KCYS.WC.Y.0005.180221T0317Z-180221T1600Z/
Dawes-North Sioux-Converse County Lower Elevations-
Niobrara County-Laramie Valley-
Including the cities of Chadron, Chadron St Park, Harrison, Bill,
Douglas, Deer Creek, Glenrock, Lusk, Redbird, Bosler, and Laramie
817 PM MST Tue Feb 20 2018

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM MST WEDNESDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 15 below zero to 25 below
  zero.

* WHERE...east central wyoming into the northern Nebraska
  Panhandle.

* WHEN...Now to 9 AM Wednesday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
817 PM MST Tue Feb 20 2018

...DANGEROUS WIND CHILLS AGAIN LATE TONIGHT INTO WEDNESDAY
MORNING...

NEZ003-019>021-054-055-096-WYZ103>105-107-108-110-211200-
/O.EXB.KCYS.WC.Y.0005.180221T0317Z-180221T1600Z/
Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
South Sioux-North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-East Platte County-Goshen County-
North Snowy Range Foothills-
Including the cities of Alliance, Scottsbluff, Gering,
Harrisburg, Angora, Bridgeport, Bayard, Redington, Kimball,
Brownson, Sidney, Agate, Garrett, Seminoe Dam, Medicine Bow,
Shirley Basin, Wheatland, Guernsey, Torrington, Arlington,
and Elk Mountain
817 PM MST Tue Feb 20 2018

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST WEDNESDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 20 below zero to 25 below
  zero.

* WHERE...Ferris Mountains, Shirley Basin, and the northern
  Laramie Range. Torrington, Wheatland and the southern Nebraska
  panhandle.


* WHEN...Now to 9 AM Wednesday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
145 PM MST Tue Feb 20 2018

SDZ001-002-012>014-025>027-030>032-041>044-046-047-049-072>074-
WYZ054>058-071-211600-
/O.NEW.KUNR.WC.Y.0008.180221T0100Z-180221T1600Z/
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Foot Hills-Rapid City-Southern Foot Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
Including the cities of Buffalo, Lemmon, Bison, Belle Fourche,
Faith, Dupree, Spearfish, Rapid City, Edgemont, Hot Springs,
Folsom, Wall, Philip, Ardmore, Oelrichs, Pine Ridge, Oglala,
Kyle, Kadoka, Martin, White River, Mission, Winner, Sturgis,
Union Center, Hermosa, Gillette, Wright, Moorcroft, Hulett,
Four Corners, Sundance, Newcastle, Upton, and Colony
145 PM MST Tue Feb 20 2018 /245 PM CST Tue Feb 20 2018/

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM MST /7 PM CST/ THIS
EVENING TO 9 AM MST /10 AM CST/ WEDNESDAY...

* WHAT...Very cold wind chills expected. Expect wind chills as
  low as 30 below zero.

* WHERE...Portions of northeast and the Black Hills Wyoming and
  northwestern, south central and southwestern South Dakota.

* WHEN...From 6 PM MST /7 PM CST/ this evening to 9 AM MST /10
  AM CST/ Wednesday.

* ADDITIONAL DETAILS...The cold wind chills could cause
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A wind chill advisory means the combination of wind and cold
temperatures will create dangerously low wind chill values. If
you go outside, cover all parts of your body, especially your
head, face, and hands.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service North Platte NE
316 PM CST Tue Feb 20 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-212130-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
316 PM CST Tue Feb 20 2018 /216 PM MST Tue Feb 20 2018/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Very cold air will combine with light breezes to create
dangerously low wind chill values across the northeast Panhandle
and the northern Sandhills. A wind chill warning and a wind chill
advisory are in effect for portions of northern Nebraska. The
coldest wind chills are anticipated after midnight across
northern Sheridan and western Cherry counties, as low as 35 below
zero.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A quick-moving system will bring light snow to the area Thursday.
Up to 1 inch possible, mainly across north central Nebraska.

Another chance for snow returns late Friday into Saturday. Light
to moderate accumulations will be possible, the greatest potential
for snow exists across southwest Nebraska at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

$$

ET

Hazardous Weather Outlook
National Weather Service Riverton WY
1143 AM MST Tue Feb 20 2018

WYZ001>020-022>030-211200-
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-
1143 AM MST Tue Feb 20 2018

...Wind Chill Warning from Jeffrey City to Casper Tonight through
10 AM Wednesday Morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Wind chills between 25 and 40 below zero are expected across the lower
elevations of Natrona County again tonight. Otherwise, bitter
cold temperatures will occur once again tonight similar if not
colder than this morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Wednesday...Extremely cold temperatures continue. Morning low
temperatures will range from 10 to 20 below zero west of the
Divide...10 to 25 below zero east of the Divide. Wind chills to
minus 40 from Jeffrey City to Casper Wednesday morning.

Saturday through Monday...Periods of snow in Western Wyoming.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report snowfall amounts. Thank you.

$$

Team Riverton

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1020 AM MST Tue Feb 20 2018

COZ030>051-211730-
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-
1020 AM MST Tue Feb 20 2018

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

.DAY ONE...Today and Tonight

A weak disturbance will increase light snow showers over the
mountains and the adjacent plains later this afternoon and
evening. Additional snowfall in the mountains will be up to 2
inches, while the adjacent plains will see amounts less than an
inch. Temperatures will remain very cold today and tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Scattered snow showers will continue over the higher mountains
Wednesday morning. The plains will be dry Wednesday but
temperatures will stay below freezing. Another weak weather
disturbance will move over the mountains Thursday and Thursday
night, producing a few inches of snowfall. The plains will have a
slight chance of snow showers Thursday night as the weather system
moves out. Another storm system is expected to be moving over
Colorado this weekend with snow in the mountains Saturday and
Sunday and a chance of snow on the plains Saturday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
854 AM MST Tue Feb 20 2018

NEZ002-095-WYZ101-102-211045-
Dawes-North Sioux-Converse County Lower Elevations-
Niobrara County-
854 AM MST Tue Feb 20 2018

This hazardous weather outlook is for portions of western
Nebraska and east central Wyoming.

.DAY ONE...TODAY AND TONIGHT

Very cold wind chills are possible once again late tonight with
wind chill lower than -20F possible.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

The probability for widespread hazardous weather is low.

.Spotter information statement...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
557 AM MST Tue Feb 20 2018

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-211300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
557 AM MST Tue Feb 20 2018 /657 AM CST Tue Feb 20 2018/

This Hazardous Weather Outlook is for western South Dakota and
northeastern Wyoming.

.DAY ONE...Today and Tonight

Wind chills of 20 below to 35 below zero are expected this
morning.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Wind chills of 20 below to 35 below zero are expected Wednesday
morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
435 AM MST Tue Feb 20 2018

COZ001>014-017>023-UTZ022>025-027>029-211145-
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-
435 AM MST Tue Feb 20 2018

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

.DAY ONE...Today and Tonight

Isolated to scattered snow showers will continue to today focused
on the mountain ranges but a few will venture into the valley
locations. Snow amounts should remain fairly light but impact
could include quickly dropping visibility along with a quick
dusting of snow on the roadway. Travel could be impacted at times
due to icy and snow packed roadways.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Cold conditions settle into the area tonight as skies clear.
Patchy dense valley fog may develop as a result of these clearing
skies over new snow the new snow pack. Snow re-enters the picture
late Wednesday into Thursday with the next storm system. The
southern to central Colorado mountains will be favored for heavier
snowfall. Another system then arrives late in the week into the
weekend and should bring another round of snowfall to the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected today or tonight, however
spotters are encouraged to report snowfall amounts to the
National Weather Service in Grand Junction.

$$

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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