323
WWUS45 KRIW 051003
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
403 AM MDT Sun May 5 2024

WYZ012-060115-
/O.UPG.KRIW.WS.A.0012.240506T0000Z-240508T1200Z/
/O.NEW.KRIW.WS.W.0014.240506T0000Z-240508T0500Z/
Teton and Gros Ventre Mountains-
403 AM MDT Sun May 5 2024

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

* WHAT...Heavy snow expected. Total snow accumulations of 1 to 2
  feet. 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.

* ADDITIONAL DETAILS...The highest winds occur Monday and Tuesday
  afternoon. Heaviest snow occurs Monday morning into Monday
  night.

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.

&&

$$

WYZ001-060115-
/O.UPG.KRIW.WS.A.0012.240506T0000Z-240508T1200Z/
/O.NEW.KRIW.WW.Y.0025.240506T0500Z-240508T0000Z/
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
403 AM MDT Sun May 5 2024

...WINTER WEATHER ADVISORY 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 1 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.

* ADDITIONAL DETAILS...The highest winds occur Monday and Tuesday
  afternoons. Heaviest snow occurs Monday morning into Monday
  night.

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.

&&

$$

WYZ014-015-060115-
/O.NEW.KRIW.WW.Y.0025.240506T0000Z-240507T0000Z/
Wind River Mountains West-Wind River Mountains East-
403 AM MDT Sun May 5 2024

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

* WHAT...Snow expected. Total snow accumulations of 8 to 16 inches
  with lower amounts expected in the southern portions of the
  range. 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...The highest winds occur Sunday and Monday
  afternoons.

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.

&&

$$

WYZ024-060115-
/O.NEW.KRIW.WW.Y.0025.240506T0500Z-240507T0000Z/
Salt River and Wyoming Ranges-
403 AM MDT Sun May 5 2024

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

* WHAT...Snow expected. Total snow accumulations of 6 to 12
  inches. Winds could gust 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

* ADDITIONAL DETAILS...The highest winds occur Monday and Tuesday
  afternoons. Heaviest snow occurs Monday morning into Monday
  night.

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.

&&

$$

WYZ008-009-060115-
/O.CON.KRIW.WS.A.0012.240506T1200Z-240507T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
403 AM MDT Sun May 5 2024

...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
  inches possible. Winds could gust as high as 45 mph.

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

* WHEN...From Monday morning through Tuesday morning.

* IMPACTS...Travel could be very difficult, such as over Powder
  River and Granite Passes.

* ADDITIONAL DETAILS...There is a fair bit of uncertainty with
  storm track into Tuesday and beyond, which could effect snow
  totals. Snow could continue through Tuesday and beyond.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

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