652  
WWUS45 KRIW 070740  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
140 AM MDT TUE MAY 7 2024  
 
WYZ012-080000-  
/O.CON.KRIW.WS.W.0014.000000T0000Z-240508T0500Z/  
TETON AND GROS VENTRE MOUNTAINS-  
140 AM MDT TUE MAY 7 2024  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS  
EVENING...  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8  
INCHES. WINDS COULD GUST AS HIGH AS 35 MPH.  
 
* WHERE...TETON AND GROS VENTRE MOUNTAINS.  
 
* WHEN...UNTIL 11 PM MDT THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE DIFFICULT TUESDAY MORNING OVER BOTH  
TETON AND TOGWOTEE PASSES.  
 
* ADDITIONAL DETAILS...THE HEAVIEST SNOW FALLS THROUGH 12 NOON  
TUESDAY.  
 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS,  
VISIT WEATHER.GOV/RIW/WINTER.  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO.  
 

 
 

 
 
WYZ001-080000-  
/O.CON.KRIW.WW.Y.0025.000000T0000Z-240508T0000Z/  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
140 AM MDT TUE MAY 7 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS  
EVENING...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF UP TO TWO INCHES.  
WINDS COULD GUST AS HIGH AS 35 MPH.  
 
* WHERE...YELLOWSTONE NATIONAL PARK.  
 
* WHEN...UNTIL 6 PM MDT THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT, ESPECIALLY IN THE  
BACKCOUNTRY.  
 
* ADDITIONAL DETAILS...TRAVEL ON PAVED ROADS COULD BE SLICK AND  
SNOW-COVERED AT TIMES, PARTICULARLY DURING THE EARLY MORNING  
HOURS.  
 
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 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  
 
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