420
WWUS45 KRIW 051132
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
532 AM MDT Sun Oct 5 2025

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

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

* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
  above 9000 feet with amounts of 10 to 15 inches above 10000 feet.
  Elevations between 7000 and 9000 feet can see total snow
  accumulations of a trace to 6 inches.

* 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.

&&

$$

WYZ008-009-060000-
/O.CON.KRIW.WW.Y.0026.000000T0000Z-251006T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
532 AM MDT Sun Oct 5 2025

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

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
  inches above 9000 feet with localized amounts around 15 inches in
  the highest peaks. Elevations between 7000 and 9000 feet can see
  total snow accumulations of a trace to 6 inches.

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

* WHEN...Until 6 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.

&&

$$

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

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

* WHAT...Snow expected. Total snow accumulations of 5 to 8 inches
  above 9000 feet. Elevations between 7000 and 9000 feet can see
  total snow accumulations of a trace to 5 inches. Snow totals 5 to
  8 inches along 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,
  namely along Togwotee 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.

&&

$$

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

Straub