Watches, Warnings & Advisories



2 products issued by NWS for: 4 Miles NNE Yellowstone National Park WY

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
228 PM MDT Mon May 6 2024

WYZ001>020-022>030-071300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
228 PM MDT Mon May 6 2024

...High Wind Warnings, Winter Weather Advisories, and a Winter
Storm Warning Continue Across Parts of the Region...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Rest of Today and Tonight.

Strong west to northwest wind continues into the evening hours for
portions of central and southwest Wyoming. High wind is expected
to develop over northern Johnson County during the evening hours
before diminishing around sunrise.

Snow steadily increases tonight over the far northwest mountains.
The heaviest snow falls after midnight. Meanwhile, the snow over
the Bighorn Range and Casper Mountain decreases during the
evening hours.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...Snow continues across the northwest mountains. A
northerly surge of snow and cooler air arrives from the north late
Tuesday night. West to northwest wind gusting 35 to 45 mph
persists during the daylight hours, mainly over central and
southern Wyoming.

Wednesday and Thursday...Another round of precipitation moves
north-to-south through the state with widespread rain and snow.
The precipitation decreases Thursday. Breezy, with winds
switching to the north.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$




Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
140 AM MDT Tue May 7 2024

WYZ001-080000-
/O.CON.KRIW.WW.Y.0025.000000T0000Z-240508T0000Z/
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
140 AM MDT Tue May 7 2024

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

* WHAT...Snow. Additional snow accumulations of up to two inches.
  Winds could gust as high as 35 mph.

* WHERE...Yellowstone National Park.

* WHEN...Until 6 PM MDT this evening.

* 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 early morning
  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