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WWUS45 KRIW 070455

WSWRIW



URGENT - WINTER WEATHER MESSAGE

National Weather Service Riverton WY

1055 PM MDT Mon May 6 2024



WYZ008-009-022-070600-

/O.CAN.KRIW.WW.Y.0025.000000T0000Z-240507T0500Z/

Bighorn Mountains West-Bighorn Mountains Southeast-

Casper Mountain-

1055 PM MDT Mon May 6 2024



...WINTER WEATHER ADVISORY IS CANCELLED...



The heaviest snowfall has come to an end and lingering snow

showers will be possible through the overnight hours.



$$



WYZ012-072000-

/O.CON.KRIW.WS.W.0014.000000T0000Z-240508T0500Z/

Teton and Gros Ventre Mountains-

1055 PM MDT Mon May 6 2024



...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT

TUESDAY...



* WHAT...Snowfall of 10 to 16 inches is expected, with local 

  totals of 18 to 24 inches over the highest peaks of the Tetons. 

  West wind gusting 25 to 35 mph.



* WHERE...Teton and Gros Ventre Mountains.



* WHEN...Until 11 PM MDT Tuesday.



* IMPACTS...Travel could be difficult Tuesday morning over both 

  Teton and Togwotee Passes.



* ADDITIONAL DETAILS...The heaviest snowfall falls between 12 

  midnight and 12 noon Tuesday.



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. 



&&



$$



WYZ001-072000-

/O.CON.KRIW.WW.Y.0025.000000T0000Z-240508T0000Z/

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

1055 PM MDT Mon May 6 2024



...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT

TUESDAY...



* WHAT...Snow. Additional snow accumulations of 1 to 3 inches, 

  with slightly higher totals in the mountains of southwest 

  Yellowstone. Storm total accumulation of 5 to 10 inches, with 

  lesser amounts below 7500 feet.



* WHERE...Yellowstone National Park.



* WHEN...Until 6 PM MDT Tuesday.



* IMPACTS...Travel could be very difficult, especially in the 

  backcountry.



* ADDITIONAL DETAILS...Travel on paved roads could be slick and 

  snow-covered at times, particularly during the nighttime hours.



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