Winter Weather Warnings / Watches / Advisories
Issued by NWS Riverton, WY

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WWUS45 KRIW 080820
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
220 AM MDT Wed May 8 2024

WYZ012-081800-
/O.CON.KRIW.WS.W.0014.000000T0000Z-240508T1800Z/
Teton and Gros Ventre Mountains-
220 AM MDT Wed May 8 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 6
  inches. Winds could gust as high as 35 mph.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...Until noon MDT today.

* IMPACTS...Travel could be difficult over both Teton and
  Togwotee Passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ008-009-090000-
/O.CON.KRIW.WS.W.0014.000000T0000Z-240509T1200Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
220 AM MDT Wed May 8 2024

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

* WHAT...Heavy snow. Additional snow accumulations of 8 to 16
  inches, mainly over the northern half of the Bighorn Range.
  Additional snowfall of 4 to 8 inches across the southern half.
  Winds could gust as high as 35 mph.

* WHERE...Bighorn Mountains West and Bighorn Mountains Southeast.

* WHEN...Until 6 AM MDT Thursday.

* IMPACTS...Travel could be difficult over both Powder River and
  Granite Passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ022-090000-
/O.NEW.KRIW.WW.Y.0026.240508T2200Z-240509T1200Z/
Casper Mountain-
220 AM MDT Wed May 8 2024

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
6 AM MDT THURSDAY...

* WHAT...Wet snow expected. Total snow accumulations of up to 4 to
  8 inches.

* WHERE...Casper Mountain.

* WHEN...From 4 PM this afternoon to 6 AM MDT Thursday.

* IMPACTS...Travel could be difficult on Casper Mountain and on
  the switchbacks heading up the north face of the mountain.

* ADDITIONAL DETAILS...Heaviest snowfall is expected to arrive
  late Wednesday afternoon through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ002-090000-
/O.EXB.KRIW.WW.Y.0025.240508T1200Z-240509T0900Z/
Absaroka Mountains-
220 AM MDT Wed May 8 2024

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO
3 AM MDT THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12
  inches. Higher amounts around 16 inches are possible along the
  higher elevations of the eastern slopes. Winds could gust as
  high as 45 mph.

* WHERE...Absaroka Mountains.

* WHEN...From 6 AM this morning to 3 AM MDT Thursday.

* IMPACTS...Travel could be difficult especially in the
  backcountry.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ015-090000-
/O.EXB.KRIW.WW.Y.0025.240508T1800Z-240509T1500Z/
Wind River Mountains East-
220 AM MDT Wed May 8 2024

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 9 AM MDT
THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12
  inches. Higher amounts greater than 16 inches are possible on
  the highest peaks. Winds could gust as high as 45 mph.

* WHERE...Wind River Mountains East.

* WHEN...From noon today to 9 AM MDT Thursday.

* IMPACTS...Travel could be difficult especially in the
  backcountry.

* ADDITIONAL DETAILS...Higher elevations of Sinks Canyon could
  possibly see 1 to 3 inches of wet snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ001-081800-
/O.CON.KRIW.WW.Y.0025.000000T0000Z-240508T1800Z/
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
220 AM MDT Wed May 8 2024

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

* WHAT...Snow. Additional snow accumulations of 1 to 2 inches.
  Winds could gust as high as 30 mph.

* WHERE...Yellowstone National Park.

* WHEN...Until noon MDT today.

* IMPACTS...Travel on paved roads could be slick and snow- covered
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts,
visit weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

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