711
WWUS45 KRIW 041936
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
136 PM MDT Sat May 4 2024

WYZ008-009-051300-
/O.EXB.KRIW.WS.A.0012.240506T1200Z-240507T1800Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
136 PM MDT Sat May 4 2024

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

* WHAT...Heavy snow possible. Total snow accumulations 7 to 15
  inches possible. Winds could gust as high as 65 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.

&&

$$

WYZ001-012-051300-
/O.CON.KRIW.WS.A.0012.240506T0000Z-240508T1200Z/
Yellowstone National Park-Teton and Gros Ventre Mountains-
Including the cities of Lake, Mammoth, and Old Faithful
136 PM MDT Sat May 4 2024

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH LATE TUESDAY NIGHT...

* WHAT...Heavy snow possible. Total accumulations of 1 to 2 feet
  possible in the Tetons and southwestern Yellowstone Park. 5 to
  10 inches of snow is possible in northern Yellowstone. Winds
  could gust as high as 45 mph.

* WHERE...Yellowstone National Park and Teton and Gros Ventre
  Mountains.

* WHEN...From Sunday evening through late Tuesday night.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...The highest winds occur Monday and Tuesday
  afternoons. Heaviest snow occurs Monday morning into Monday
  night. Some uncertainty with storm track into Tuesday could
  effect late storm snow totals.

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