434
WWUS45 KRIW 051853
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1253 PM MDT Sun May 5 2024

WYZ012-061300-
/O.CON.KRIW.WS.W.0014.240506T0000Z-240508T0500Z/
Teton and Gros Ventre Mountains-
1253 PM MDT Sun May 5 2024

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 11 PM MDT TUESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 1 to 2
  feet. Up to 3 feet for the highest elevations of the Tetons.
  Winds could gust as high as 45 mph.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...From 6 PM this evening to 11 PM MDT Tuesday.

* IMPACTS...Travel could be very difficult, especially in the
  backcountry and along Teton Pass.

* ADDITIONAL DETAILS...Heaviest snow occurs Monday morning into
  Monday night, where snow rates around 1 inch per hour are
  possible. Another round of heavier snow Tuesday morning.

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.

&&

$$

WYZ008-009-061300-
/O.UPG.KRIW.WS.A.0012.240506T1200Z-240507T1800Z/
/O.EXB.KRIW.WW.Y.0025.240506T0700Z-240507T0500Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1253 PM MDT Sun May 5 2024

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 11 PM MDT
MONDAY...

* WHAT...Snow expected. Total snow accumulations of 8 to 12 inches
  for the northern range. Total snow accumulations up to 9 inches
  for the southern end of the range. Winds gusting as high as 65
  mph.

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

* WHEN...From 1 AM to 11 PM MDT Monday.

* IMPACTS...Travel could be very difficult, such as over Powder
  River and Granite Passes. Gusty winds could cause blowing snow,
  reducing visibilities at times.

* ADDITIONAL DETAILS...Heaviest snow occurs Monday morning. Snow
  rates decrease Tuesday. Another round of heavier snow is
  possible Wednesday.

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.

&&

$$

WYZ001-061300-
/O.CON.KRIW.WW.Y.0025.240506T0500Z-240508T0000Z/
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1253 PM MDT Sun May 5 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 6 PM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 10 to 18
  inches in southwest portions of the Park. Snowfall up to 5
  inches elsewhere. Winds could gust as high as 45 mph.

* WHERE...Yellowstone National Park.

* WHEN...From 11 PM this evening to 6 PM MDT Tuesday.

* IMPACTS...Travel could be very 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.

&&

$$

WYZ014-015-061300-
/O.CON.KRIW.WW.Y.0025.240506T0000Z-240507T0000Z/
Wind River Mountains West-Wind River Mountains East-
1253 PM MDT Sun May 5 2024

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

* WHAT...Snow expected. Total snow accumulations of 7 to 12
  inches. Winds could gust as high as 65 mph.

* WHERE...Wind River Mountains West and Wind River Mountains
  East.

* WHEN...From 6 PM this evening to 6 PM MDT Monday.

* IMPACTS...Travel could be very difficult, especially on WY Hwy
  28 over South Pass.

* ADDITIONAL DETAILS...Up to 16 inches of snow is possible over
  the higher elevations of the northern range.

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.

&&

$$

WYZ024-061300-
/O.CON.KRIW.WW.Y.0025.240506T0500Z-240507T0000Z/
Salt River and Wyoming Ranges-
1253 PM MDT Sun May 5 2024

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 6 PM MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 10
  inches, with near 12 inches for the highest peaks. Winds gusting
  as high as 55 mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...From 11 PM this evening to 6 PM MDT Monday.

* IMPACTS...Travel could be very difficult, especially over Salt
  River Pass.

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