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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


WYZ057-251200-
/O.UPG.KUNR.WS.A.0005.170425T0600Z-170426T0000Z/
/O.NEW.KUNR.WS.W.0006.170425T0600Z-170425T2100Z/
Wyoming Black Hills-
Including the cities of Four Corners and Sundance
246 PM MDT Mon Apr 24 2017

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM
MDT TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Storm Warning for snow, which is in effect from midnight tonight
to 3 PM MDT Tuesday. The Winter Storm Watch is no longer in
effect.

* TIMING...Rain will move into the area this evening, changing
  over to snow overnight. Snow will persist into Tuesday morning,
  tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 4 to 8 inches are expected,
  with the higher elevations of the Bear Lodge Mountains generally
  seeing the highest amounts.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning for heavy snow means snow accumulations
will create dangerous conditions.

&&

$$


Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


SDZ024-028-029-251200-
/O.UPG.KUNR.WS.A.0005.170425T0600Z-170426T0000Z/
/O.NEW.KUNR.WW.Y.0016.170425T0600Z-170425T2100Z/
Northern Black Hills-Central Black Hills-Southern Black Hills-
Including the cities of Lead, Deadwood, Hill City, Mt Rushmore,
and Custer
246 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
3 PM MDT TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Weather Advisory for snow, which is in effect from midnight
tonight to 3 PM MDT Tuesday. The Winter Storm Watch is no longer
in effect.

* TIMING...Rain will move into the area this evening, changing
  over to snow overnight. Snow will persist into Tuesday morning,
  tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 2 to 6 inches are expected,
  with the higher elevations of the northern and central Black
  Hills generally seeing the highest amounts. Locally higher
  amounts are possible.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means snow accumulation will
create hazardous conditions. Use caution when traveling.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


WYZ054-056-251200-
/O.UPG.KUNR.WS.A.0005.170425T0600Z-170426T0000Z/
/O.NEW.KUNR.WW.Y.0016.170425T0600Z-170425T2100Z/
Northern Campbell-Western Crook-
Including the cities of Gillette, Moorcroft, and Hulett
246 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
3 PM MDT TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Weather Advisory for snow, which is in effect from midnight
tonight to 3 PM MDT Tuesday. The Winter Storm Watch is no longer
in effect.

* TIMING...Rain will move into the area this evening, changing
  over to snow after midnight. Snow will persist into Tuesday
  morning, tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 3 to 6 inches are expected,
  with locally higher amounts possible, especially across far northern
  Campbell and northern Crook counties.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means snow accumulation will
create hazardous conditions. Use caution when traveling.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


WYZ055-058-251200-
/O.UPG.KUNR.WS.A.0005.170425T0600Z-170426T0000Z/
/O.NEW.KUNR.WW.Y.0016.170425T1200Z-170425T2100Z/
Southern Campbell-Weston-
Including the cities of Wright, Newcastle, and Upton
246 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 3 PM MDT
TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Weather Advisory for snow, which is in effect from 6 AM to 3 PM
MDT Tuesday. The Winter Storm Watch is no longer in effect.

* TIMING...Rain will move into the area this evening, changing
  over to snow late tonight and early Tuesday morning. Snow will
  persist through Tuesday morning, tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 1 to 4 inches are expected,
  with the higher elevations of southern Campbell County and
  northern Weston County generally seeing the highest amounts.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means snow accumulation will
create hazardous conditions. Use caution when traveling.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


SDZ012-025-072-251200-
/O.NEW.KUNR.WW.Y.0016.170425T0600Z-170425T2100Z/
Butte-Northern Foot Hills-Sturgis/Piedmont Foot Hills-
Including the cities of Belle Fourche, Spearfish, and Sturgis
246 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
3 PM MDT TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Weather Advisory for snow, which is in effect from midnight
tonight to 3 PM MDT Tuesday.

* TIMING...Rain will move into the area this evening, changing
  over to snow after midnight. Snow will persist into Tuesday
  morning, tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 2 to 5 inches are generally
  expected.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means snow accumulation will
create hazardous conditions. Use caution when traveling.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
246 PM MDT Mon Apr 24 2017

...SPRING STORM TO BRING RAIN AND SNOW TONIGHT INTO TUESDAY...

.A spring storm system will move across the high plains tonight
and Tuesday, bringing rain and snow to much of the area. Rain
showers will develop this evening, with rain expected to change
over to snow overnight and early Tuesday across much of northeast
Wyoming, the Black Hills, and parts of the western South Dakota
plains. The highest snowfall amounts will generally be across the
higher elevations of the Bear Lodge Mountains and northern Black
Hills, with up to several inches of snow possible across the
northeast Wyoming plains, parts of northwest South Dakota and the
rest of the Black Hills, including the Spearfish to Sturgis areas.


WYZ071-251200-
/O.NEW.KUNR.WW.Y.0016.170425T0600Z-170425T2100Z/
Northeastern Crook-
Including the city of Colony
246 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
3 PM MDT TUESDAY...

The National Weather Service in Rapid City has issued a Winter
Weather Advisory for snow, which is in effect from midnight
tonight to 3 PM MDT Tuesday.

* TIMING...Rain will move into the area this evening, changing
  over to snow after midnight. Snow will persist into Tuesday
  morning, tapering off in the afternoon.

* MAIN IMPACT...Snowfall totals of 3 to 5 inches are expected.

* OTHER IMPACTS...With many trees beginning to leaf out, the heavy
  wet snow could bring down some tree limbs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means snow accumulation will
create hazardous conditions. Use caution when traveling.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
140 PM MDT Mon Apr 24 2017

MTZ036>038-058-WYZ099-251945-
/O.UPG.KBYZ.WS.A.0008.170425T0000Z-170426T0000Z/
/O.EXA.KBYZ.WW.Y.0022.170425T0000Z-170426T0000Z/
Powder River-Carter-Southern Big Horn-Southern Rosebud-
Sheridan Foothills-
140 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT TUESDAY...

The National Weather Service in Billings has issued a Winter
Weather Advisory for Snow which is in effect from 6 PM this
evening to 6 PM MDT Tuesday.

* IMPACTS...Heavy, wet snow will make for very difficult
  traveling conditions with poor visibility and roads becoming
  snow packed. Downed tree branches and power outages are
  possible. Young livestock may be at risk.

* TIMING...Rain will develop this evening and change to wet
  snow overnight. The wet snow will continue through early
  Tuesday afternoon.

* SNOW ACCUMULATION...3 to 6 inches of heavy, wet snow, with
  heavier amounts possible on ridges and higher hills.

* WINDS...Northeast winds of 10 to 20 mph will make for poor
  visibility in snowfall, along with lowering wind chill
  values.

Precautionary/preparedness actions...

A Winter Weather Advisory can be issued for a variety of winter
weather conditions such as light snow...blowing snow...sleet...
freezing rain...and extreme wind chills.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
119 PM MDT Mon Apr 24 2017

...MODERATE TO OCCASIONALLY HEAVY SNOW RETURNING FOR MANY
MOUNTAIN LOCATIONS AND NORTHERN JOHNSON COUNTY TODAY THROUGH
TUESDAY...

.An approaching upper level disturbance and associated developing
cold front will bring snow to many of the mountains of western
and central Wyoming in addition to portions of the lower
elevations of Johnson County today through Tuesday.

WYZ010-251000-
/O.CON.KRIW.WW.Y.0025.170425T0600Z-170426T0000Z/
Northeast Johnson County-
Including the city of Buffalo
119 PM MDT Mon Apr 24 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 PM MDT TUESDAY...

* TIMING...Rain will change to snow around midnight tonight and
  continue on Tuesday. The heaviest snow is expected late tonight
  through Tuesday morning.

* TOTAL SNOWFALL...3 to 6 inches.

* MAIN IMPACT...Highways will become slick and snow covered,
  including Interstates 25 and 90. Visibility could be reduced
  to under one half mile at times in snow and blowing snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow and blowing snow means periods
of snow and blowing snow will cause primarily travel
difficulties. Be prepared for snow covered and slick roads with
limited visibilities. Slow down, and allow extra time to reach
your destination. Check the latest road conditions at
wyoroad.info or by dialing 5 1 1.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Riverton WY
1102 AM MDT Mon Apr 24 2017

WYZ019-020-250600-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-
Including the cities of Jeffrey City and Casper
1102 AM MDT Mon Apr 24 2017

...Burst of Spring Snow Expected Late Tonight Through Tuesday
Morning Across Portions of Natrona County in addition to Green and
Rattlesnake Mountains...

Light rain will become mixed with snow by around midnight tonight
above 5500 feet...then down to near Basin Floor level after 4 AM.
The snow or rain snow mix will continue at times through Tuesday
morning. The heaviest snow is expected through Tuesday morning
above 5500 feet...with generally one to 3 inches of total
snowfall accumulation by early afternoon Tuesday. Highways 789 or
287 will become slick, slushy or snow covered at
times...especially over Beaver Rim. Visibility could be reduced to
under one half mile at times in snow.

$$

Special Weather Statement
National Weather Service Riverton WY
1102 AM MDT Mon Apr 24 2017

WYZ022-250600-
Casper Mountain-
1102 AM MDT Mon Apr 24 2017

...Burst of Spring Snow Expected Tonight Through Tuesday Morning
Over Casper Mountain...

Light rain will become mixed with snow before midnight tonight
above 6500 feet...then down to 5000 feet after 2 AM. Light snow
or a rain snow mix will continue at times through Tuesday. The
heaviest snow is expected Tuesday morning above 5500 feet...with
generally 3 to 6 inches of total snowfall accumulation by
Tuesday evening. Roads of the area may become slick or slushy at
times. Visibility could be reduced to under one half mile at times
in snow.

$$

Special Weather Statement
National Weather Service Riverton WY
1102 AM MDT Mon Apr 24 2017

WYZ011-250600-
Southeast Johnson County-
Including the city of Kaycee
1102 AM MDT Mon Apr 24 2017

...Burst of Spring Snow Expected Later Tonight and Tuesday Across
Southern Johnson County...

Rain will change to snow around midnight tonight and continue
into Tuesday. The heaviest snow is expected late tonight and
Tuesday morning...with one to 4 inches of total snowfall
accumulation by Tuesday afternoon. Highways will become slick,
slushy or snow covered, including Interstate 25. Visibility could
be reduced to under one half mile at times in snow and blowing
snow.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook...UPDATED
National Weather Service North Platte NE
314 PM CDT Mon Apr 24 2017

NEZ004>010-022>029-035>038-056>059-069>071-094-252015-
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-
314 PM CDT Mon Apr 24 2017 /214 PM MDT Mon Apr 24 2017/

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

.DAY ONE...TONIGHT.

Thunderstorms are possible tonight for areas along and south of
highway 2. At this time, no severe storms are expected.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

Thunderstorms are still possible Tuesday morning for areas along
and south of highway 2.

For Wednesday through Sunday, the probability for widespread
hazardous weather is low.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

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

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
539 AM MDT Mon Apr 24 2017

SDZ027-041>044-046-047-049-251145-
Southern Foot Hills-Fall River-Oglala Lakota-Jackson-Bennett-
Mellette-Todd-Tripp-
539 AM MDT Mon Apr 24 2017 /639 AM CDT Mon Apr 24 2017/

This Hazardous weather outlook is for portions of south central
South Dakota...and western South Dakota.

.DAY ONE...Today and Tonight

Rain may mix with or change to snow very late tonight with up to
an inch of accumulation by Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Rain and snow is expected on Tuesday, with total snow
accumulations of an inch or two possible.

.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 Rapid City SD
539 AM MDT Mon Apr 24 2017

WYZ054>056-058-251145-
Northern Campbell-Southern Campbell-Western Crook-Weston-
539 AM MDT Mon Apr 24 2017

...Winter Storm Watch late tonight and Tuesday...

This Hazardous weather outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

There is a chance for a few thunderstorms this afternoon and
evening. Severe thunderstorms are not expected. Rain will change
to snow later tonight with an inch or two of accumulation by
Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will continue on Tuesday with total snow accumulations of 6
inches or more possible.

.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 Rapid City SD
539 AM MDT Mon Apr 24 2017

SDZ013-031-032-073-251145-
Northern Meade Co Plains-Pennington Co Plains-Haakon-
Southern Meade Co Plains-
539 AM MDT Mon Apr 24 2017

This Hazardous weather outlook is for portions of western South
Dakota.

.DAY ONE...Today and Tonight

Areas of fog this morning will reduce visibilities to under one
mile at times. The fog will dissipate around mid morning.

Rain may mix with or change to snow very late tonight with up to
an inch of accumulation by Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will continue on Tuesday, possibly mixed with rain at times,
with total snow accumulations of 1 to 4 inches possible.

.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 Rapid City SD
539 AM MDT Mon Apr 24 2017

SDZ001-002-014-251145-
Harding-Perkins-Ziebach-
539 AM MDT Mon Apr 24 2017

This Hazardous weather outlook is for portions of western South
Dakota.

.DAY ONE...Today and Tonight

Areas of fog this morning will reduce visibilities to under one
mile at times. The fog will dissipate around mid morning.

Rain may mix with or change to snow very late tonight with up to
an inch of accumulation by Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will continue on Tuesday with total snow accumulations of an
inch or two possible.

.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 Rapid City SD
539 AM MDT Mon Apr 24 2017

SDZ024-028-029-WYZ057-251145-
Northern Black Hills-Central Black Hills-Southern Black Hills-
Wyoming Black Hills-
539 AM MDT Mon Apr 24 2017

...Winter Storm Watch late tonight and Tuesday...

This Hazardous weather outlook is for portions of the Black Hills
of South Dakota...and the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

There is a chance for a few thunderstorms this afternoon and
evening. Severe thunderstorms are not expected. Rain will change
to snow later tonight with 1 to 3 inches of accumulation by
Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will continue on Tuesday with total snow accumulations of 6
inches or more possible.

.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 Rapid City SD
539 AM MDT Mon Apr 24 2017

SDZ012-025-026-030-072-074-WYZ071-251145-
Butte-Northern Foot Hills-Rapid City-Custer Co Plains-
Sturgis/Piedmont Foot Hills-Hermosa Foot Hills-Northeastern Crook-
539 AM MDT Mon Apr 24 2017

This Hazardous weather outlook is for portions of western South
Dakota...and northeast Wyoming.

.DAY ONE...Today and Tonight

Areas of fog this morning will reduce visibilities to under one
mile at times. The fog will dissipate around mid morning.

There is a chance for a few thunderstorms later this afternoon and
evening. Severe thunderstorms are not expected. Rain will change
to snow later tonight with around an inch of accumulation by
Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will continue on Tuesday with total snow accumulations of 1
to 4 inches possible.

.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 Cheyenne WY
345 AM MDT Mon Apr 24 2017

WYZ101>119-250945-
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-
345 AM MDT Mon Apr 24 2017

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

.DAY ONE...TODAY AND TONIGHT

The weather will be windy and cooler with scattered to numerous
showers and isolated afternoon thunderstorms. West winds may gust
as high as 55 mph for wind prone areas of southeast Wyoming.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

The cooler and showery weather pattern will continue through the
end of the week. Snow levels will fall to 6500 feet by Wednesday.
Moderate snow accumulations will be possible for the mountains
Thursday and Friday.

.Spotter information statement...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
245 AM MDT Mon Apr 24 2017

WYZ001>020-022>030-251200-
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-
245 AM MDT Mon Apr 24 2017

...Winter Weather Advisories in effect for the Western Mountains, Big
Horns and Northern Johnson County from today through Tuesday...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight...

Snow likely in the western Mountains, Bighorns from late this
morning through Tuesday. Snow is likely in northern Johnson
County late tonight and Tuesday. Please see Winter Weather
Products and forecasts for details.

Isolated thunderstorms possible this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Saturday...

Tuesday...Snow in the mountains and far north into the morning
with a cold rain or rain and snow mix across the lower elevations
of Central Wyoming.

Wednesday...Mountain snow west of the divide.

Thursday and Friday...A slowly evolving cold storm system will
develop over the Great Basin and spread widespread cold rain or
snow across much of the area. Significant snowfall is possible
across parts of the area, especially around Central Wyoming.

Saturday...Snow ending with improving conditions.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report snowfall amounts or other significant
weather.

$$

Team Riverton

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