783
WWUS45 KRIW 051836
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1236 PM MDT Sun Oct 5 2025

WYZ008-009-060500-
/O.EXT.KRIW.WW.Y.0026.000000T0000Z-251006T0500Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1236 PM MDT Sun Oct 5 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MDT THIS
EVENING...

* WHAT...Snow. Additional snow accumulations 3 to 6 inches between
  7000 and 9500 feet, with an additional 6 to 8 inches above 9500
  feet.

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

* WHEN...Until 11 PM MDT this evening.

* IMPACTS...Travel could be difficult at times especially along US
  14 over Granite Pass and US 16 over Powder 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
https://weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ002-015-060000-
/O.CON.KRIW.WW.Y.0026.000000T0000Z-251006T0000Z/
Absaroka Mountains-Wind River Mountains East-
1236 PM MDT Sun Oct 5 2025

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

* WHAT...Snow. Additional snow accumulations of 5 to 9 inches above
  9500 feet, and additional accumulations of a trace to 5 inches
  between 8000 and 9500 feet.

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

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

* IMPACTS...Travel could be difficult at times, especially over
  mountain passes and roads.

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
https://weather.gov/riw/winter.

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.

&&

$$

WYZ012-060000-
/O.CON.KRIW.WW.Y.0026.000000T0000Z-251006T0000Z/
Teton and Gros Ventre Mountains-
1236 PM MDT Sun Oct 5 2025

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

* WHAT...Snow. Additional snow accumulations of 2 to 5 inches above
  9000 feet. An additional 3 to 5 inches on Togwotee Pass.

* WHERE...Teton and Gros Ventre Mountains.

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

* IMPACTS...Travel could be difficult at times over mountain passes,
  like Teton and Togwotee Passes.

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
https://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/ .

Wittmann