816  
WWUS45 KCYS 200110  
WSWCYS  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHEYENNE WY  
710 PM MDT TUE OCT 19 2021  
 
WYZ115>117-200215-  
/O.CAN.KCYS.WW.Y.0035.000000T0000Z-211020T1200Z/  
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF LARAMIE, BOSLER, BUFORD, PUMPKIN VINE,  
VEDAUWOO, WHITAKER, FEDERAL, AND HORSE CREEK  
710 PM MDT TUE OCT 19 2021  
   
..WINTER WEATHER ADVISORY IS CANCELLED
 
 
MOST OF THE ACCUMULATING SNOW HAS ENDED AROUND THE SOUTHERN  
LARAMIE RANGE TONIGHT. PERIODS OF SNOW SHOWERS OR FLURRIES MAY  
MOVE ACROSS THE AREA THROUGH MIDNIGHT, BUT ACCUMULATIONS SHOULD BE  
MINIMAL.  
 

 
 
WYZ101-103-201200-  
/O.CON.KCYS.WS.W.0017.000000T0000Z-211020T1200Z/  
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-  
INCLUDING THE CITIES OF DOUGLAS, GLENROCK, BILL, DEER CREEK,  
GARRETT, AND ESTERBROOK  
710 PM MDT TUE OCT 19 2021  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT  
WEDNESDAY...  
 
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 6  
INCHES IN THE LOWER ELEVATIONS OF CONVERSE COUNTY WITH 8 TO 14  
INCHES IN THE MOUNTAINS. WINDS GUSTING AS HIGH AS 35 MPH.  
 
* WHERE...CONVERSE COUNTY LOWER ELEVATIONS.  
 
* WHEN...NOW THROUGH 6 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. AREAS OF BLOWING SNOW  
COULD SIGNIFICANTLY REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN  
YOUR VEHICLE IN CASE OF AN EMERGENCY.  
 
THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN  
BE OBTAINED BY CALLING 5 1 1.  
 

 
 

 
 
WYZ104-105-201200-  
/O.CON.KCYS.WW.Y.0035.000000T0000Z-211020T1200Z/  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-  
INCLUDING THE CITIES OF SEMINOE DAM, MEDICINE BOW,  
AND SHIRLEY BASIN  
710 PM MDT TUE OCT 19 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES  
WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN HIGHER TERRAIN.  
 
* WHERE...FERRIS/SEMINOE/SHIRLEY MOUNTAINS, SHIRLEY BASIN.  
 
* WHEN...NOW THROUGH 6 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. PLAN ON SLIPPERY  
ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
WYZ102-201200-  
/O.CON.KCYS.WW.Y.0035.000000T0000Z-211020T1200Z/  
NIOBRARA COUNTY-  
INCLUDING THE CITIES OF LUSK AND REDBIRD  
710 PM MDT TUE OCT 19 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT  
WEDNESDAY...  
 
* WHAT...WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 2 TO 5  
INCHES.  
 
* WHERE...NIOBRARA COUNTY.  
 
* WHEN...FROM NOON TUESDAY TO 6 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. PLAN ON SLIPPERY  
ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
WYZ106-201200-  
/O.CON.KCYS.WW.Y.0035.000000T0000Z-211020T1200Z/  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITY OF BORDEAUX  
710 PM MDT TUE OCT 19 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF UP TO 1 TO 3  
INCHES WITH LOCALLY HIGHER AMOUNTS. WINDS GUSTING AS HIGH AS 35  
MPH.  
 
* WHERE...LARAMIE VALLEY AND LARAMIE RANGE.  
 
* WHEN...NOW THROUGH 6 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. PLAN ON SLIPPERY  
ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
NEZ002-095-201200-  
/O.CON.KCYS.WW.Y.0035.000000T0000Z-211020T1200Z/  
DAWES COUNTY-NORTHERN SIOUX COUNTY-  
INCLUDING THE CITIES OF CHADRON, CHADRON ST PARK, AND HARRISON  
710 PM MDT TUE OCT 19 2021  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT  
WEDNESDAY...  
 
* WHAT...WET SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 1 TO 3  
INCHES, MAINLY ABOVE 4000 FEET.  
 
* WHERE...DAWES AND NORTHERN SIOUX COUNTY.  
 
* WHEN...FROM 6 PM THIS EVENING TO 6 AM MDT WEDNESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. PLAN ON SLIPPERY  
ROAD CONDITIONS.  
 
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.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page
The Nexlab NE Page Main Text Page