229
WWUS45 KRIW 011707
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1007 AM MST Sun Nov 1 2026

WYZ015-021400-
/O.EXB.KRIW.WW.Y.0021.261102T0300Z-261103T0000Z/
Wind River Mountains East-
1007 AM MST Sun Nov 1 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST MONDAY...

* WHAT...Snow expected. Total snow accumulations 5 to 8 inches above
  9000 feet.

* WHERE...Wind River Mountains East.

* WHEN...From 8 PM this evening to 5 PM MST Monday.

* IMPACTS...Mountain travel could be difficult.

* ADDITIONAL DETAILS...South Pass snow totals up to 4 inches, mainly
  for the highest elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road conditions
for the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WYZ009-021400-
/O.EXB.KRIW.WW.Y.0021.261102T0800Z-261103T0000Z/
Bighorn Mountains Southeast-
1007 AM MST Sun Nov 1 2026

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 5 PM MST MONDAY...

* WHAT...Snow expected. Total snow accumulations 6 to 10 inches above
  9000 feet. Total accumulations 10 to 15 inches at the highest
  elevations near Cloud Peak. Winds gusting as high as 55 mph.

* WHERE...Bighorn Mountains Southeast.

* WHEN...From 1 AM to 5 PM MST Monday.

* IMPACTS...Travel could be difficult across mountain passes due to a
  combination of falling snow and gusty winds.

* ADDITIONAL DETAILS...The greatest accumulations will occur across
  the far northern range, north of Powder River Pass. Up to 2 inches
  snow for Powder River Pass. Total snow accumulations 5 to 8 inches
  at Granite Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road conditions
for the state you are calling from can be obtained by calling 5 1 1.

&&

$$

WYZ014-021200-
/O.CON.KRIW.WW.Y.0021.000000T0000Z-261102T1200Z/
Wind River Mountains West-
1007 AM MST Sun Nov 1 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

* WHAT...Snow. Additional snow accumulations 2 to 6 inches above 9000
  feet.

* WHERE...Wind River Mountains West.

* WHEN...Until 5 AM MST Monday.

* IMPACTS...Mountain travel could be difficult.

* ADDITIONAL DETAILS...South Pass snow totals up to 4 inches, mainly
  for the highest elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road conditions
for the state you are calling from can be obtained by calling 5 1 1.

&&

$$

https://www.weather.gov/riw/

Wittmann