431
WWUS45 KCYS 171934
WSWCYS
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
134 PM MDT THU APR 17 2025
WYZ101-181215-
/O.CON.KCYS.WS.W.0010.000000T0000Z-250418T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF DOUGLAS, BILL, DEER CREEK, AND GLENROCK
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND
10 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE. WINDS GUSTING AS HIGH
AS 40 MPH.
* WHERE...CONVERSE COUNTY LOWER ELEVATIONS.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ103-112-114-181215-
/O.CON.KCYS.WS.W.0010.000000T0000Z-250418T1800Z/
NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF GARRETT, ALBANY, AND CENTENNIAL
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 12 AND 18
INCHES POSSIBLE. HIGHER AMOUNTS POSSIBLE IN THE PEAKS. WINDS COULD
GUST AS HIGH AS 50 MPH.
* WHERE...SIERRA MADRE RANGE, SNOWY RANGE, AND NORTH LARAMIE RANGE.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. OUTDOOR RECREATION WILL BE DANGEROUS. SNOWMOBILERS
MAY BECOME LOST OR DISORIENTED DUE TO LOW VISIBILITY FROM FALLING
AND BLOWING SNOW.
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.
WYZ104-181200-
/O.CON.KCYS.WS.W.0010.000000T0000Z-250418T1200Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
INCLUDING THE CITIES OF SEMINOE DAM
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
10 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE AT HIGHER ELEVATION.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...FERRIS/SEMINOE/SHIRLEY MOUNTAINS.
* WHEN...UNTIL 6 AM MDT FRIDAY.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT.
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.
WYZ105-181215-
/O.CON.KCYS.WS.W.0010.000000T0000Z-250418T1800Z/
SHIRLEY BASIN-
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND
10 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...SHIRLEY BASIN.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ116-181215-
/O.CON.KCYS.WS.W.0010.000000T0000Z-250418T1800Z/
SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF BUFORD, VEDAUWOO, AND PUMPKIN VINE
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
8 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...SOUTH LARAMIE RANGE INCLUDING THE INTERSTATE 80 SUMMIT
BETWEEN CHEYENNE AND LARAMIE.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING
SNOW. TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ102-181215-
/O.CON.KCYS.WS.W.0010.250417T2100Z-250418T1800Z/
NIOBRARA COUNTY-
INCLUDING THE CITIES OF REDBIRD AND LUSK
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
8 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE ALONG THE PINE RIDGE.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...NIOBRARA COUNTY.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ109-181215-
/O.CON.KCYS.WS.W.0010.250417T2100Z-250418T1800Z/
CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF RAWLINS
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...HEAVY SNOW AND BLOWING SNOW EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 5 AND 10 INCHES. LOCALLY HIGHER AMOUNTS
POSSIBLE. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...CENTRAL CARBON COUNTY.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
VISIBILITY COULD BE SEVERELY REDUCED DUE TO BLOWING SNOW.
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.
WYZ110-181215-
/O.CON.KCYS.WS.W.0010.250417T2100Z-250419T0000Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF ELK MOUNTAIN AND ARLINGTON
134 PM MDT THU APR 17 2025
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 5 AND
10 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...NORTH SNOWY RANGE FOOTHILLS INCLUDING ARLINGTON AND ELK
MOUNTAIN ALONG INTERSTATE 80.
* WHEN...UNTIL 6 PM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ106-181215-
/O.CON.KCYS.WS.W.0010.250418T0000Z-250419T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITIES OF BORDEAUX
134 PM MDT THU APR 17 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM MDT FRIDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
8 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE IN THE LARAMIE RANGE.
WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
WYZ117-181215-
/O.CON.KCYS.WS.W.0010.250418T0300Z-250419T0000Z/
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF HORSE CREEK, FEDERAL, AND WHITAKER
134 PM MDT THU APR 17 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
6 PM MDT FRIDAY...
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
8 INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...SOUTH LARAMIE RANGE FOOTHILLS.
* WHEN...FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...VISIBILITIES MAY DROP BELOW 1/4 MILE DUE TO FALLING AND
BLOWING SNOW. TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
NEZ002-095-181215-
/O.CON.KCYS.WW.Y.0027.250417T2100Z-250418T1800Z/
DAWES COUNTY-NORTHERN SIOUX COUNTY-
INCLUDING THE CITIES OF HARRISON, CHADRON, AND CHADRON ST PARK
134 PM MDT THU APR 17 2025
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE ALONG THE PINE RIDGE.
WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...DAWES COUNTY AND NORTHERN SIOUX COUNTY.
* WHEN...UNTIL NOON MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING COMMUTES.
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.
WYZ107-181215-
/O.CON.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/
EAST PLATTE COUNTY-
INCLUDING THE CITIES OF GUERNSEY AND WHEATLAND
134 PM MDT THU APR 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...EAST PLATTE COUNTY.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
WYZ108-181215-
/O.CON.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/
GOSHEN COUNTY-
INCLUDING THE CITIES OF TORRINGTON
134 PM MDT THU APR 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...GOSHEN COUNTY.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
WYZ113-115-181215-
/O.CON.KCYS.WW.Y.0027.250418T0000Z-250419T0000Z/
UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-
INCLUDING THE CITIES OF BOSLER, ENCAMPMENT, SARATOGA, AND LARAMIE
134 PM MDT THU APR 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...UPPER NORTH PLATTE RIVER BASIN AND LARAMIE VALLEY.
* WHEN...FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
WYZ118-181215-
/O.CON.KCYS.WW.Y.0027.250418T0300Z-250419T0000Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF CHEYENNE
134 PM MDT THU APR 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 6
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...CENTRAL LARAMIE COUNTY.
* WHEN...FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
WYZ119-181215-
/O.CON.KCYS.WW.Y.0027.250418T0300Z-250419T0000Z/
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF PINE BLUFFS
134 PM MDT THU APR 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 6 PM MDT FRIDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 4
INCHES. LOCALLY HIGHER AMOUNTS POSSIBLE.
* WHERE...EAST LARAMIE COUNTY.
* WHEN...FROM 9 PM THIS EVENING TO 6 PM MDT FRIDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
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.
FULLER
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