116
WWUS45 KRIW 061132
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
432 AM MST Fri Mar 6 2026

WYZ007>009-061800-
/O.CON.KRIW.WW.Y.0011.000000T0000Z-260306T1800Z/
Owl Creek and Bridger Mountains-Bighorn Mountains West-Bighorn
Mountains Southeast-
432 AM MST Fri Mar 6 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...Snow expected. Total snow accumulations between 2 and 5
  inches mainly across the higher peaks of the northern and southern
  portions of the range. Winds gusting as high as 40 mph.

* WHERE...Owl Creek and Bridger Mountains, Bighorn Mountains
  Southeast, and Bighorn Mountains West.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Travel could be difficult. The hazardous conditions
  could impact the  Friday morning commute especially along Powder
  River Pass and Wind River Canyon.

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.

&&

$$

WYZ014-015-070000-
/O.CON.KRIW.WW.Y.0011.000000T0000Z-260307T0000Z/
Wind River Mountains West-Wind River Mountains East-
432 AM MST Fri Mar 6 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. Total snow accumulations between 3 and 6
  inches along the eastern slopes with lesser amounts up to 3 inches
  across western slopes. Snow accumulations along South Pass are
  forecast to range from 3 to 6 inches.

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

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Travel could be very difficult over South Pass. The
  hazardous conditions could impact the Friday morning commute.

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.

&&

$$

WYZ028>030-070000-
/O.CON.KRIW.WW.Y.0011.000000T0000Z-260307T0000Z/
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Wamsutter, Green River, and Rock Springs
432 AM MST Fri Mar 6 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow expected. Total snow accumulations between 1 and 3
  inches with locally higher amounts for elevations above 8000 feet.
  Winds gusting as high as 30 to 40 mph.

* WHERE...East Sweetwater County, Flaming Gorge, and Rock Springs
  and Green River.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Friday morning commute along the I-80
  corridor and US-191 south of Rock Springs toward Flaming Gorge.

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/ .

TL