417
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