399  
WWUS45 KCYS 051814  
WSWCYS  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1214 PM MDT TUE MAY 5 2026  
 
WYZ110-061200-  
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/  
NORTH SNOWY RANGE FOOTHILLS-  
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN  
1214 PM MDT TUE MAY 5 2026  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 4 AND 10  
INCHES.  
 
* WHERE...NORTH SNOWY RANGE FOOTHILLS INCLUDING ARLINGTON AND ELK  
MOUNTAIN ALONG INTERSTATE 80.  
 
* WHEN...UNTIL NOON MDT WEDNESDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. THE WEIGHT OF THE HEAVY, WET  
SNOW ON TREE LIMBS AND POWERLINES AND COULD CAUSE SPORADIC POWER  
OUTAGES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 
 
 
 
 
WYZ114-061200-  
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/  
SNOWY RANGE-  
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY  
1214 PM MDT TUE MAY 5 2026  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 8 AND 14  
INCHES. THE HIGHER TOTALS WILL BE MAINLY ABOVE 9000 FT IN  
ELEVATION AND ON THE NORTHERN AND EASTERN SIDES OF THE RANGE.  
 
* WHERE...SNOWY RANGE.  
 
* WHEN...UNTIL NOON MDT WEDNESDAY.  
 
* IMPACTS...OUTDOOR RECREATION COULD BECOME DANGEROUS TO THOSE  
CAUGHT UNPREPARED FOR HAZARDOUS WINTER CONDITIONS. HUNTERS,  
HIKERS, AND SNOWMOBILERS MAY BECOME DISORIENTED AND LOST DUE TO  
LOW VISIBILITY IN FALLING AND BLOWING SNOW.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 
 
 
 
 
WYZ115-061200-  
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1500Z/  
LARAMIE VALLEY-  
INCLUDING THE CITIES OF LARAMIE AND BOSLER  
1214 PM MDT TUE MAY 5 2026  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT WEDNESDAY  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 2 AND 4  
INCHES FOR THE TOWN OF LARAMIE. TOTAL SNOW ACCUMULATIONS BETWEEN  
7 AND 11 INCHES ARE POSSIBLE IN THE SOUTHERN AND WESTERN SIDES OF  
THE LARAMIE VALLEY.  
 
* WHERE...LARAMIE VALLEY.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...THE WEIGHT OF THE HEAVY, WET SNOW ON TREE LIMBS MAY  
CAUSE TREE DAMAGE AND BRING DOWN POWER LINES. TRAVEL COULD BE VERY  
DIFFICULT. THE HAZARDOUS CONDITIONS COULD IMPACT THE MORNING AND  
EVENING COMMUTES ON TUESDAY, AND THE MORNING COMMUTE ON WEDNESDAY.  
 
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.  
 
 
 
 
 
WYZ116-117-061200-  
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/  
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF HORSE CREEK, BUFORD, VEDAUWOO, PUMPKIN  
VINE, WHITAKER, AND FEDERAL  
1214 PM MDT TUE MAY 5 2026  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 7 AND 12  
INCHES. ANOTHER BAND OF ENHANCED SNOWFALL COULD PRODUCE ISOLATED  
HIGHER AMOUNTS.  
 
* WHERE...SOUTH LARAMIE RANGE AND FOOTHILLS INCLUDING THE INTERSTATE  
80 SUMMIT BETWEEN CHEYENNE AND LARAMIE.  
 
* WHEN...UNTIL NOON MDT WEDNESDAY.  
 
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL  
LIKELY BECOME SLICK AND HAZARDOUS. THE WEIGHT OF THE HEAVY, WET  
SNOW ON TREE LIMBS AND POWERLINES AND COULD CAUSE SPORADIC POWER  
OUTAGES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.  
 
 
 
 
 
WYZ118-061200-  
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1500Z/  
CENTRAL LARAMIE COUNTY-  
INCLUDING THE CITIES OF CHEYENNE  
1214 PM MDT TUE MAY 5 2026  
   
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT WEDNESDAY  
 
* WHAT...HEAVY SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 4 AND 7  
INCHES.  
 
* WHERE...CENTRAL LARAMIE COUNTY.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...THE WEIGHT OF THE HEAVY, WET SNOW ON TREE LIMBS MAY  
CAUSE TREE DAMAGE AND BRING DOWN POWER LINES. TRAVEL COULD BE VERY  
DIFFICULT. THE HAZARDOUS CONDITIONS COULD IMPACT THE MORNING AND  
EVENING COMMUTES ON TUESDAY, AND THE MORNING COMMUTE ON WEDNESDAY.  
 
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.  
 
 
 
 
 
NEZ054-WYZ119-061200-  
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/  
KIMBALL COUNTY-EAST LARAMIE COUNTY-  
INCLUDING THE CITIES OF PINE BLUFFS AND KIMBALL  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES.  
 
* WHERE...IN NEBRASKA, KIMBALL COUNTY. IN WYOMING, EAST LARAMIE  
COUNTY.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...PLAN ON SLUSHY AND SLICK ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE COMMUTES ON TUESDAY MORNING AND  
EVENING, AND ON WEDNESDAY MORNING. IN ADDITION, THE WEIGHT OF THE  
HEAVY, WET SNOW ON TREE LIMBS COULD CAUSE TREE DAMAGE AND BRING  
DOWN POWER LINES.  
 
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.  
 
 
 
 
 
WYZ103-061200-  
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/  
NORTH LARAMIE RANGE-  
INCLUDING THE CITIES OF GARRETT  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 3 AND 7 INCHES.  
LOCALLY HIGHER AMOUNTS EXPECTED OVER 7500 FEET IN ELEVATION.  
 
* WHERE...NORTH LARAMIE RANGE.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...OUTDOOR RECREATION COULD BECOME DANGEROUS TO THOSE  
CAUGHT UNPREPARED FOR HAZARDOUS WINTER CONDITIONS. HUNTERS,  
HIKERS, AND SNOWMOBILERS MAY BECOME DISORIENTED AND LOST DUE TO  
LOW VISIBILITY IN FALLING AND BLOWING SNOW.  
 
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.  
 
 
 
 
 
WYZ105-061200-  
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/  
SHIRLEY BASIN-  
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES.  
 
* WHERE...SHIRLEY BASIN AND LARAMIE VALLEY.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE TUESDAY EVENING AND WEDNESDAY 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.  
 
 
 
 
 
WYZ106-061200-  
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITIES OF BORDEAUX  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND 3 INCHES  
IN THE LOWER ELEVATIONS NEAR THE I-25 CORRIDOR. ADDITIONAL SNOW  
ACCUMULATIONS BETWEEN 4 AND 10 INCHES IN THE CENTRAL LARAMIE RANGE  
ABOVE 5500 FEET IN ELEVATION.  
 
* WHERE...CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...THE WEIGHT OF THE HEAVY, WET SNOW ON TREE LIMBS MAY  
CAUSE TREE DAMAGE AND BRING DOWN POWER LINES. TRAVEL COULD BE VERY  
DIFFICULT. THE HAZARDOUS CONDITIONS COULD IMPACT THE MORNING AND  
EVENING COMMUTES ON TUESDAY, AND THE MORNING COMMUTE ON WEDNESDAY.  
 
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.  
 
 
 
 
 
WYZ112-061200-  
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/  
SIERRA MADRE RANGE-  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT  
WEDNESDAY...  
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS UP TO 9 INCHES MAINLY  
ABOVE 8000 FEET IN ELEVATION. WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...SIERRA MADRE RANGE.  
 
* WHEN...UNTIL 9 AM MDT WEDNESDAY.  
 
* IMPACTS...OUTDOOR RECREATION COULD BECOME DANGEROUS TO THOSE  
CAUGHT UNPREPARED FOR HAZARDOUS WINTER CONDITIONS. HUNTERS,  
HIKERS, AND SNOWMOBILERS MAY BECOME DISORIENTED AND LOST DUE TO  
LOW VISIBILITY IN FALLING AND BLOWING SNOW.  
 
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.  
 
 
 
 
 
WYZ104-109-061200-  
/O.CON.KCYS.WW.Y.0016.260506T0000Z-260506T1500Z/  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-  
INCLUDING THE CITIES OF RAWLINS AND SEMINOE DAM  
1214 PM MDT TUE MAY 5 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 9 AM MDT WEDNESDAY...  
 
* WHAT...SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS BETWEEN 1 AND  
3 INCHES. WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...CENTRAL CARBON COUNTY AND FERRIS/SEMINOE/SHIRLEY MOUNTAINS.  
 
* WHEN...FROM 6 PM THIS EVENING TO 9 AM MDT WEDNESDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE WEDNESDAY MORNING COMMUTE. IN  
ADDITION, THE WEIGHT OF THE HEAVY, WET SNOW ON TREE LIMBS COMBINED  
WITH GUSTY WINDS COULD CAUSE TREE DAMAGE AND BRING DOWN POWER  
LINES.  
 
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.  
 
 
 
 
 
MM  
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