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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ003-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Periods of Snow. Total snow accumulations of 3 to 6
  inches. Five inches of snow has fallen at Wapiti as of 10 AM
  this morning. One inch has fallen in Cody. Winds gusting as
  high as 30 mph this evening.

* WHERE...Cody Foothills.

* WHEN...Through 6 AM MDT Sunday.

* IMPACTS...Travel could be difficult due to slick road
  conditions, as well as blowing and drifting snow. This
  includes Highway 120.

* ADDITIONAL DETAILS...Wind chill values will be below zero
  tonight in parts of the area. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ013-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Jackson Hole-
Including the city of Jackson
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Light to moderate snow tonight. Total snow
  accumulations of 3 to 6 inches, locally higher amounts in the
  north part of the valley near Moran Junction. One inch of snow
  has fallen so far in the town of Jackson.

* WHERE...Jackson Hole.

* WHEN...Until 6 AM MDT Sunday.

* IMPACTS...Travel could be difficult at times. Some roads will
  be snow covered and slick. Some drifting snow will be possible
  north of Jackson.

* ADDITIONAL DETAILS...Wind chill values will be in the single
  digits to around zero tonight. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ005-006-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Southwest Big Horn Basin-Southeast Big Horn Basin-
Including the cities of Thermopolis, Ten Sleep, and Worland
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Period of snow. Total snow accumulations of 2 to 4
  inches, except 4 to 8 inches in the southeast portion of the
  basin, including Ten Sleep and Big Trails. North wind gusting
  25 to 35 mph in places.

* WHERE...Southwest Big Horn Basin and Southeast Big Horn Basin.

* WHEN...Through 6 AM MDT Sunday.

* IMPACTS...Travel could be difficult due to slick road
  conditions, along with blowing and drifting snow.

* ADDITIONAL DETAILS...Wind chill values will be below zero
  tonight in parts of the area. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ010-011-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Periods of Snow. Total snow accumulations of 2 to 4
  inches. North wind gusting 30 to 40 mph.

* WHERE...Lower elevations of Johnson County.

* WHEN...Through 6 AM MDT Sunday.

* IMPACTS...Travel could be very difficult due to slick road
  conditions, as well as blowing and drifting snow. This
  includes Interstates 25 and 90.

* ADDITIONAL DETAILS...Wind chill values will be below zero
  tonight in parts of the area. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ008-009-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Periods of Snow. Total snow accumulations of 5 to 8
  inches. Northwest winds gusting around 35 mph in open areas.

* WHERE...Bighorn Mountains.

* WHEN...Through 6 AM MDT Sunday.

* IMPACTS...Travel could be very difficult, due to blowing and
  drifting snow. This includes Highway 16 over Powder River
  Pass, Highway 14 over Granite Pass, and Alternate Highway 14
  east, of Lovell, passing through the northern Bighorn
  mountains.

* ADDITIONAL DETAILS...Wind chill values will be well below zero
  tonight in parts of the area. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1136 PM MDT Sat Oct 24 2020

...October Snowstorm and Bitter Cold Temperatures...

.A strong weather system will continue to impact the area
tonight, gradually ending on Sunday. Heaviest snowfall amounts
will be tonight, with very light snow lingering after sunrise
Sunday morning. Bitter cold temperatures will be in place by late
tonight through Sunday night.

WYZ007-251200-
/O.CON.KRIW.WW.Y.0030.000000T0000Z-201025T1200Z/
Owl Creek and Bridger Mountains-
1136 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Snow. Total snow accumulations of 4 to 8 inches. North
  wind gusting as high as 25 mph, especially in the vicinity of
  Boysen Dam at the south end of the Wind River Canyon.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...Through 6 AM MDT Sunday.

* IMPACTS...Travel could be very difficult due to blowing and
  drifting snow, especially along Highway 789 from Boysen Dam
  through the Wind River Canyon.

* ADDITIONAL DETAILS...Wind chill values will be well below zero
  tonight in parts of the area. Outdoor enthusiasts should be
  prepared for winter conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1109 PM CDT Sat Oct 24 2020

SDZ004-009-010-251200-
/O.CON.KABR.WW.Y.0017.000000T0000Z-201025T1200Z/
Campbell-Walworth-Edmunds-
Including the cities of Herreid, Mobridge, and Ipswich
1109 PM CDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
SUNDAY...

* WHAT...Snow. Additional snow accumulations of up to one inch.

* WHERE...Walworth, Campbell and Edmunds Counties.

* WHEN...Until 7 AM CDT Sunday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Bismarck ND
958 PM CDT Sat Oct 24 2020

NDZ040>045-251100-
/O.CON.KBIS.WW.Y.0017.000000T0000Z-201025T1200Z/
Slope-Hettinger-Grant-Bowman-Adams-Sioux-
Including the cities of Marmarth, Mott, New England, Elgin,
Carson, New Leipzig, Bowman, Hettinger, Fort Yates, Selfridge,
and Solen
958 PM CDT Sat Oct 24 2020 /858 PM MDT Sat Oct 24 2020/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT /6 AM
MDT/ SUNDAY...

* WHAT...Snow. Additional snow accumulations of less than one
  inch.

* WHERE...Slope, Bowman, Hettinger, Adams, Grant, and Sioux
  Counties.

* WHEN...Until 7 AM CDT /6 AM MDT/ Sunday.

* IMPACTS...Plan on slippery road conditions. Falling snow along
  with patchy blowing snow could significantly reduce visibility.

* ADDITIONAL DETAILS...Cold temperatures will accompany this
  system, with wind chills near zero.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Hollan

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
845 PM MDT Sat Oct 24 2020

MTZ139-251800-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-201025T1800Z/
Southeastern Carbon-
Including the locations of Bridger, Belfry, and Warren
845 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SUNDAY...

* WHAT...Snow continues. Additional snow accumulations of up to 2
  inches. Winds gusting as high as 30 mph.

* WHERE...Southeastern Carbon county.

* WHEN...Until noon MDT Sunday.

* IMPACTS...Roads will be snowpacked and slippery. Areas of
  blowing snow will reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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 Billings MT
845 PM MDT Sat Oct 24 2020

MTZ036-037-251800-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-201025T1800Z/
Powder River-Carter-
Including the locations of Broadus, Biddle, Powderville,
Sonnette, Ekalaka, Alzada, Hammond, and Belltower
845 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SUNDAY...

* WHAT...Snow continues. Additional snow accumulations of 2 to 4
  inches.

* WHERE...Custer, Fallon, Powder River and Carter counties.

* WHEN...Until noon MDT Sunday.

* IMPACTS...Blowing snow and poor visibility will make travel
  difficult. Expect wind chills to fall below zero tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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 Billings MT
845 PM MDT Sat Oct 24 2020

WYZ198-251800-
/O.CON.KBYZ.WW.Y.0025.000000T0000Z-201025T1800Z/
Northeast Bighorn Mountains-
Including the locations of Burgess Jct and Story
845 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SUNDAY...

* WHAT...Snow continues. Additional snow accumulations of 3 to 6
  inches.

* WHERE...Northeast Bighorn Mountains.

* WHEN...Until noon MDT Sunday.

* IMPACTS...Blowing snow and poor visibility will make travel
  difficult. Expect wind chills to fall below zero tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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
145 PM MDT Sat Oct 24 2020

...WINTER STORM TO IMPACT THE AREA THROUGH SUNDAY...

.A strong storm system will bring snow and breezy conditions to
much of the area through Sunday. Snow continues to fall across
western South Dakota and northeastern Wyoming this afternoon and
will expand slowly south across the rest of the area later this
afternoon and evening. The heaviest snow is expected to occur
with bands across areas from northwest to south central South
Dakota, along with favored upslope regions of the northern Black
Hills and foothills. Some blowing and drifting of snow is also
likely due to breezy northeast to north winds. Snow will gradually
taper off from north to south late tonight and Sunday. Near-
record cold temperatures are expected behind this system from late
this weekend into early next week.

SDZ026>031-041-073-074-WYZ054>056-058-251045-
/O.CON.KUNR.WW.Y.0020.000000T0000Z-201025T1800Z/
Rapid City-Southern Foot Hills-Central Black Hills-
Southern Black Hills-Custer Co Plains-Pennington Co Plains-
Fall River-Southern Meade Co Plains-Hermosa Foot Hills-
Northern Campbell-Southern Campbell-Western Crook-Weston-
Including Rapid City, Edgemont, Hot Springs, Hill City,
Mt Rushmore, Deerfield, Hisega, Mystic, Pactola Reservoir,
Rochford, Rockerville, Custer, Jewel Cave, Pringle,
Custer State Park, Wind Cave, Folsom, Box Elder, Caputa, Wall,
Ardmore, Ellsworth AFB, Hermosa, Buffalo Gap, Fairburn, Wright,
Moorcroft, and Upton
145 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SUNDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 6 inches.

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

* WHEN...Until noon MDT Sunday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing
  snow could significantly reduce visibility.

* ADDITIONAL DETAILS...Very cold air will move into the region
  tonight through Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Road conditions are available on your smartphone from the
5 1 1 app for your state.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
145 PM MDT Sat Oct 24 2020

...WINTER STORM TO IMPACT THE AREA THROUGH SUNDAY...

.A strong storm system will bring snow and breezy conditions to
much of the area through Sunday. Snow continues to fall across
western South Dakota and northeastern Wyoming this afternoon and
will expand slowly south across the rest of the area later this
afternoon and evening. The heaviest snow is expected to occur
with bands across areas from northwest to south central South
Dakota, along with favored upslope regions of the northern Black
Hills and foothills. Some blowing and drifting of snow is also
likely due to breezy northeast to north winds. Snow will gradually
taper off from north to south late tonight and Sunday. Near-
record cold temperatures are expected behind this system from late
this weekend into early next week.

SDZ001-012-013-WYZ071-251045-
/O.CON.KUNR.WW.Y.0020.000000T0000Z-201025T1200Z/
Harding-Butte-Northern Meade Co Plains-Northeastern Crook-
Including Buffalo, Faith, and Colony
145 PM MDT Sat Oct 24 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

* WHAT...Snow. Additional snow accumulations of 3 to 5 inches.

* WHERE...In Wyoming, Northeastern Crook County. In South
  Dakota, Harding County, Butte County and the Northern Meade
  County Plains.

* WHEN...Until 6 AM MDT Sunday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing
  snow could significantly reduce visibility.

* ADDITIONAL DETAILS...Very cold air will move into the region
  tonight through Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Road conditions are available on your smartphone from the
5 1 1 app for your state.

&&

$$

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