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WWUS45 KRIW 040835
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
235 AM MDT Sat Oct 4 2025

WYZ002-015-050000-
/O.CON.KRIW.WW.Y.0026.251004T1800Z-251006T0000Z/
Absaroka Mountains-Wind River Mountains East-
235 AM MDT Sat Oct 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
MDT SUNDAY...

* 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...From noon today to 6 PM MDT Sunday.

* 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 .

&&

$$

WYZ012-050000-
/O.CON.KRIW.WW.Y.0026.251004T1800Z-251006T0000Z/
Teton and Gros Ventre Mountains-
235 AM MDT Sat Oct 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
MDT SUNDAY...

* 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...From noon today to 6 PM MDT Sunday.

* 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.

&&

$$

WYZ008-009-050000-
/O.CON.KRIW.WW.Y.0026.251005T0000Z-251006T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
235 AM MDT Sat Oct 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT SUNDAY...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 12
  inches above 9000 feet with localized amounts of 14 to 18 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...From 6 PM this evening to 6 PM MDT Sunday.

* IMPACTS...Travel could be difficult at times especially along US
  14 over Granite Pass and US 16 over Powder River Pass.

* ADDITIONAL DETAILS...Heaviest snow expected to occur Sunday
  afternoon.

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/ .

Hattings