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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
320 PM MDT Mon Apr 23 2018

MTZ036-037-058-241600-
/O.NEW.KBYZ.WW.Y.0028.180424T0000Z-180424T1600Z/
Powder River-Carter-Southern Rosebud-
Including the locations of  Broadus, Biddle, Powderville,
Sonnette, Ekalaka, Alzada, Hammond, Belltower, Lame Deer,
Ashland, and Birney
320 PM MDT Mon Apr 23 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM MDT TUESDAY...

* WHAT...Wet snow expected. Total snow accumulations of 1 to 3
  inches, with localized amounts up to 5 inches in the higher
  hills, are expected.

* WHERE...Powder River, Carter and Southern Rosebud.

* WHEN...Until 10 AM MDT Tuesday.

* ADDITIONAL DETAILS...Plan on slippery and snow covered road
  conditions, including US-212. Be prepared for reduced
  visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for wet snow means periods of wet snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving.

For the latest road conditions, call 5 1 1.

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
208 PM MDT Mon Apr 23 2018

...QUICK MOVING SYSTEM CROSSES THE AREA TONIGHT AND TUESDAY
MORNING...

.A quick moving storm system will move through the forecast area
tonight into Tuesday morning, bringing ample moisture, and some
snow to parts of the area. Precipitation will begin as rain, then
change to snow late this evening and overnight in the advisory
area. Upslope enhanced snowfall is likely across the northern
Black Hills and northern foothills, with several inches of
snowfall expected. Up to a few inches of snowfall is also expected
over parts of far northeast Wyoming into Butte and Harding
Counties, especially the higher elevations. Snow will taper off
Tuesday morning as the system shifts east of the area.

SDZ001-012-WYZ056-071-241130-
/O.EXA.KUNR.WW.Y.0020.180424T0300Z-180424T1500Z/
Harding-Butte-Western Crook-Northeastern Crook-
Including the cities of Buffalo, Belle Fourche, Moorcroft,
Hulett, and Colony
208 PM MDT Mon Apr 23 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
9 AM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 3 inches
  are expected in most areas, especially western portions of Butte
  and Harding counties and northern Crook County. Locally higher
  amounts are possible, especially across the higher elevations.

* WHERE...In Wyoming, Western Crook County and Northeastern
  Crook County. In South Dakota, Harding and Butte.

* WHEN...From 9 PM this evening to 9 AM MDT Tuesday.

* ADDITIONAL DETAILS...Plan on slippery road conditions,
  including during the morning commute on Tuesday. Expect
  reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means snow accumulations will
create hazardous conditions. Use caution when traveling. The
latest road conditions can be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
208 PM MDT Mon Apr 23 2018

...QUICK MOVING SYSTEM CROSSES THE AREA TONIGHT AND TUESDAY
MORNING...

.A quick moving storm system will move through the forecast area
tonight into Tuesday morning, bringing ample moisture, and some
snow to parts of the area. Precipitation will begin as rain, then
change to snow late this evening and overnight in the advisory
area. Upslope enhanced snowfall is likely across the northern
Black Hills and northern foothills, with several inches of
snowfall expected. Up to a few inches of snowfall is also expected
over parts of far northeast Wyoming into Butte and Harding
Counties, especially the higher elevations. Snow will taper off
Tuesday morning as the system shifts east of the area.

SDZ024-025-072-WYZ057-241130-
/O.CON.KUNR.WW.Y.0020.180424T0300Z-180424T1500Z/
Northern Black Hills-Northern Foot Hills-
Sturgis/Piedmont Foot Hills-Wyoming Black Hills-
Including the cities of Lead, Deadwood, Spearfish, Sturgis,
Four Corners, and Sundance
208 PM MDT Mon Apr 23 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 9 AM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 6 inches,
  highest amounts generally across the higher elevations of the
  northern Black Hills.

* WHERE...In Wyoming, the Wyoming Black Hills. In South Dakota,
  the Northern Black Hills, the Northern Foot Hills and the
  Sturgis/Piedmont Foot Hills.

* WHEN...From 9 PM this evening to 9 AM MDT Tuesday.

* ADDITIONAL DETAILS...Plan on slippery road conditions,
  including during the morning commute on Tuesday. Expect
  reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means snow accumulations will
create hazardous conditions. Use caution when traveling. The
latest road conditions can be obtained by calling 5 1 1.

&&

$$


Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
209 PM MDT Mon Apr 23 2018

SDZ026-030-031-073-241130-
/O.NEW.KUNR.WI.Y.0006.180424T0400Z-180424T1600Z/
Rapid City-Custer Co Plains-Pennington Co Plains-
Southern Meade Co Plains-
Including the cities of Rapid City, Folsom, Wall,
and Union Center
209 PM MDT Mon Apr 23 2018

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM MDT
TUESDAY...

The National Weather Service in Rapid City has issued a Wind
Advisory, which is in effect from 10 PM this evening to 10 AM MDT
Tuesday.

* WINDS...North 25 to 35 mph with gusts to around 50 mph.

* TIMING...Late this evening through early Tuesday morning.

* IMPACTS...Sudden wind gusts can cause drivers to lose control,
  especially in lightweight or high profile vehicles. Strong
  winds can cause blowing dust, reduced visibility, and flying
  debris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A wind advisory means 30 mph winds, or gusts over 45 mph, are
expected or occurring.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service Cheyenne WY
453 PM MDT MON APR 23 2018

WYZ107-108-232330-
East Platte County WY-Goshen County WY-
453 PM MDT MON APR 23 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GOSHEN AND EAST
CENTRAL PLATTE COUNTIES UNTIL 530 PM MDT...

At 451 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Lakeview North, or 9 miles northeast of Wheatland,
moving east at 35 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Guernsey, Lingle, Fort Laramie, Fort Laramie National Historic Site,
Grayrocks Reservoir, Guernsey Campground, Lakeview North and
Hartville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

If on or near Grayrocks Reservoir, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

&&

LAT...LON 4210 10497 4223 10501 4247 10441 4211 10431
TIME...MOT...LOC 2251Z 252DEG 31KT 4217 10487

$$

Trudel

Special Weather Statement
National Weather Service Riverton WY
148 PM MDT Mon Apr 23 2018

WYZ010-011-240000-
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
148 PM MDT Mon Apr 23 2018

...Gusty North Wind and Snow Showers Continue Today...

Rain and snow showers will continue to move across Johnson County
this afternoon and early evening. Snow levels are around 4500 to
5000 feet. Some areas could see 1 to 2 inches of slushy
accumulation by this evening. In addition, northwest winds of 15
to 25 mph with gusts 30 to 40 mph will also continue this
afternoon. The rain, wind and snow should decrease after sunset
and end around or soon after sunrise on Tuesday.


$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service North Platte NE
359 PM CDT Mon Apr 23 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-242100-
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-
359 PM CDT Mon Apr 23 2018 /259 PM MDT Mon Apr 23 2018/

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

.DAY ONE...TONIGHT.

Isolated thunderstorms are possible this evening west of Gordon
through Hayes Center. The threat for severe weather is low.

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

Wet snow is possible Tuesday night across much of the Sandhills
and perhaps even during the morning Wednesday in southeastern
areas. Temperatures are expected to remain above freezing and
accumulations are uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

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

$$

Roberg

Hazardous Weather Outlook
National Weather Service Cheyenne WY
1153 AM MDT Mon Apr 23 2018

NEZ002-003-019>021-054-055-095-096-WYZ101>119-240915-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-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-
1153 AM MDT Mon Apr 23 2018

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

.DAY ONE...TODAY AND TONIGHT

A strong cold front will move southeast across the area this
afternoon and evening. Showers and isolated thunderstorms will
develop along and ahead of the front, with rain changing to snow
tonight as colder air spreads into the area. Snow accumulations
of 2 to 4 inches are expected above 9000 feet, with little or no
measurable snow elsewhere.

A few thunderstorms this afternoon and evening may produce gusty
winds up to 50 mph along with small hail.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Rain and snow will linger through Tuesday morning, then end from
west to east in the afternoon. Little or no additional snowfall
is expected.

.Spotter information statement...

Spotter activation will not be required.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
410 AM MDT Mon Apr 23 2018

SDZ024-025-072-WYZ057-241300-
Northern Black Hills-Northern Foot Hills-
Sturgis/Piedmont Foot Hills-Wyoming Black Hills-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...the Black Hills of South Dakota...and the Black
Hills of Wyoming.

.DAY ONE...Today and Tonight

Winter Weather Advisory is in effect tonight. See the Winter
Weather Message (WSWUNR) for details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will end Tuesday 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 Rapid City SD
410 AM MDT Mon Apr 23 2018

WYZ054>056-058-071-241300-
Northern Campbell-Southern Campbell-Western Crook-Weston-
Northeastern Crook-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

Rain will change to snow tonight. A few inches of snow accumulation
is possible, especially over higher terrain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.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
410 AM MDT Mon Apr 23 2018

SDZ001-002-012-013-073-241300-
Harding-Perkins-Butte-Northern Meade Co Plains-
Southern Meade Co Plains-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota.

.DAY ONE...Today and Tonight

Rain may change to snow tonight. A few inches of snow accumulation
is possible, especially over higher terrain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.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
410 AM MDT Mon Apr 23 2018

SDZ028-029-241300-
Central Black Hills-Southern Black Hills-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of the Black Hills
of South Dakota.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this afternoon. Severe
thunderstorms are not expected. Rain will change to snow tonight
with a few inches of snow accumulation.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Snow will end Tuesday 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 Rapid City SD
410 AM MDT Mon Apr 23 2018

SDZ027-041-241300-
Southern Foot Hills-Fall River-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of southwestern
South Dakota.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this afternoon. Severe
thunderstorms are not expected.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a slight chance of thunderstorms Monday. Severe weather
is not expected.

.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
410 AM MDT Mon Apr 23 2018

SDZ026-030-031-074-241300-
Rapid City-Custer Co Plains-Pennington Co Plains-
Hermosa Foot Hills-
410 AM MDT Mon Apr 23 2018

This Hazardous Weather Outlook is for portions of southwestern
South Dakota.

.DAY ONE...Today and Tonight

Gusty northwest winds will develop this evening and continue
overnight. Wind gusts of 40 to 50 mph are expected. Rain may
change to snow overnight, with a few inches of snow accumulation
possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.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 Riverton WY
245 AM MDT Mon Apr 23 2018

WYZ001>020-022>030-241100-
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 23 2018

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Rain and snow spreading across the northern half of the state
today. Strong winds possible in the northern Big Horn Basin and
Johnson County. Isolated thunderstorms possible. Please see
forecasts and statements for details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Friday through Sunday...Isolated afternoon and evening
thunderstorms mainly over and near the mountains.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report snowfall amounts. Thank you.

$$

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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