317
WWUS45 KCYS 051140
WSWCYS
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
540 AM MDT TUE MAY 5 2026
WYZ110-060000-
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN
540 AM MDT TUE MAY 5 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY
* WHAT...HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 8 AND 16
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.
WYZ114-060000-
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/
SNOWY RANGE-
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY
540 AM MDT TUE MAY 5 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY
* WHAT...HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 10 AND 18
INCHES, 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.
WYZ116-117-060000-
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1800Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF FEDERAL, WHITAKER, VEDAUWOO, HORSE CREEK,
PUMPKIN VINE, AND BUFORD
540 AM MDT TUE MAY 5 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY
* WHAT...HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 8 AND 16
INCHES, WITH LOCALLY HIGHER AMOUNTS POSSIBLE ABOVE 8000 FEET IN
ELEVATION.
* 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.
WYZ118-060000-
/O.CON.KCYS.WS.W.0006.000000T0000Z-260506T1500Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF CHEYENNE
540 AM MDT TUE MAY 5 2026
..WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...HEAVY SNOW. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND 11
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-WYZ119-060000-
/O.EXT.KCYS.WW.Y.0016.260505T1140Z-260506T1500Z/
KIMBALL COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF PINE BLUFFS AND KIMBALL
540 AM MDT TUE MAY 5 2026
..WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT WEDNESDAY
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 6
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.
WYZ103-060000-
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/
NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF GARRETT
540 AM MDT TUE MAY 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT
WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 8
INCHES, WITH 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.
WYZ105-115-060000-
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/
SHIRLEY BASIN-LARAMIE VALLEY-
INCLUDING THE CITIES OF SHIRLEY BASIN, MEDICINE BOW, BOSLER, AND
LARAMIE
540 AM MDT TUE MAY 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT
WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND 7
INCHES IN THE CITY OF LARAMIE AND ITS IMMEDIATE VICINITY, AND IN
THE SHIRLEY BASIN. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND 12
INCHES ARE POSSIBLE IN THE SOUTHERN AND WESTERN SIDES OF THE
LARAMIE VALLEY.
* WHERE...SHIRLEY BASIN AND 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...
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.
WYZ106-060000-
/O.CON.KCYS.WW.Y.0016.000000T0000Z-260506T1500Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITIES OF BORDEAUX
540 AM MDT TUE MAY 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT
WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 6
INCHES ALONG I-25 IN SOUTHERN PLATTE COUNTY. TOTAL 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.
WYZ112-060000-
/O.CON.KCYS.WW.Y.0016.260505T1200Z-260506T1500Z/
SIERRA MADRE RANGE-
540 AM MDT TUE MAY 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT
WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS UP TO 5 TO 10
INCHES MAINLY ABOVE 8000 FEET IN ELEVATION. LOCALLY HIGHER AMOUNTS
ARE POSSIBLE ABOVE 9500 FEET. WINDS GUSTING AS HIGH AS 35 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.
WYZ104-109-060000-
/O.CON.KCYS.WW.Y.0016.260506T0000Z-260506T1500Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF RAWLINS AND SEMINOE DAM
540 AM MDT TUE MAY 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM MDT WEDNESDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 1 AND 4
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.
MN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page