841
WWUS43 KUNR 021703
WSWUNR
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1103 AM MDT THU APR 2 2026
SDZ001-002-012>014-078-030815-
/O.UPG.KUNR.WS.A.0002.260403T0600Z-260404T1200Z/
/O.NEW.KUNR.WS.W.0003.260403T0600Z-260404T0900Z/
HARDING-NORTHERN PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-
SOUTHERN PERKINS-
INCLUDING THE CITIES OF FAITH, USTA, BELLE FOURCHE, OPAL,
BUFFALO, PRAIRIE CITY, DUPREE, RED OWL, CAMP CROOK, HOOVER,
FRUITDALE, ZEONA, LEMMON, NEWELL, CHERRY CREEK, HOWES, BISON, MUD
BUTTE, LADNER, GLAD VALLEY, SORUM, VALE, LUDLOW, MEADOW, SOUTH
EAGLE BUTTE, SHADEHILL, BELLE FOURCHE RESERVOIR, REVA, AND REDIG
1103 AM MDT THU APR 2 2026
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM MDT
SATURDAY...
* WHAT...HEAVY MIXED PRECIPITATION EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 6 AND 12 INCHES AND ICE ACCUMULATIONS UP TO
ONE TENTH OF AN INCH.
* WHERE...A PORTION OF NORTHWESTERN SOUTH DAKOTA.
* WHEN...FROM MIDNIGHT TONIGHT TO 3 AM MDT SATURDAY.
* IMPACTS...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.
SDZ024-025-WYZ057-030815-
/O.UPG.KUNR.WS.A.0002.260403T0600Z-260404T1200Z/
/O.NEW.KUNR.WS.W.0003.260403T0900Z-260404T0900Z/
NORTHERN BLACK HILLS-NORTHERN FOOTHILLS-WYOMING BLACK HILLS-
INCLUDING THE CITIES OF LEAD, CHEYENNE CROSSING, ROCHFORD, NEMO,
FOUR CORNERS, DEADWOOD, BROWNSVILLE, DEERFIELD, SILVER CITY,
TERRY PEAK, GALENA, SAINT ONGE, SPEARFISH, WHITEWOOD, SUNDANCE,
AND MYSTIC
1103 AM MDT THU APR 2 2026
...WINTER STORM WARNING IN EFFECT FROM 3 AM FRIDAY TO 3 AM MDT
SATURDAY...
* WHAT...HEAVY MIXED PRECIPITATION EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 5 AND 10 INCHES AND ICE ACCUMULATIONS AROUND
A LIGHT GLAZE POSSIBLE. WINDS GUSTING AS HIGH AS 35 MPH.
* WHERE...IN SOUTH DAKOTA, NORTHERN FOOTHILLS AND NORTHERN BLACK
HILLS. IN WYOMING, WYOMING BLACK HILLS.
* WHEN...FROM 3 AM FRIDAY TO 3 AM MDT SATURDAY.
* IMPACTS...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.
WYZ056-060-030815-
/O.UPG.KUNR.WS.A.0002.260403T0600Z-260404T1200Z/
/O.NEW.KUNR.WS.W.0003.260403T0900Z-260404T0900Z/
WESTERN CROOK-NORTHEASTERN CROOK-
INCLUDING THE CITIES OF BEULAH, PINE HAVEN, KEYHOLE RESERVOIR,
DEVILS TOWER, ALADDIN, COLONY, MOORCROFT, AND HULETT
1103 AM MDT THU APR 2 2026
...WINTER STORM WARNING IN EFFECT FROM 3 AM FRIDAY TO 3 AM MDT
SATURDAY...
* WHAT...HEAVY MIXED PRECIPITATION EXPECTED. TOTAL SNOW
ACCUMULATIONS BETWEEN 4 AND 7 INCHES AND ICE ACCUMULATIONS AROUND
A LIGHT GLAZE POSSIBLE.
* WHERE...NORTHEASTERN CROOK AND WESTERN CROOK.
* WHEN...FROM 3 AM FRIDAY TO 3 AM MDT SATURDAY.
* IMPACTS...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.
SDZ026-031-072-073-030815-
/O.NEW.KUNR.WW.Y.0007.260403T0600Z-260404T0900Z/
RAPID CITY-PENNINGTON CO PLAINS-STURGIS/PIEDMONT FOOTHILLS-
SOUTHERN MEADE CO PLAINS-
INCLUDING THE CITIES OF QUINN, WALL, STURGIS, SUMMERSET,
ELLSWORTH AFB, NEW UNDERWOOD, CAPUTA, BOX ELDER, SCENIC, TILFORD,
WHITE OWL, UNION CENTER, BLACK HAWK, RAPID CITY, PIEDMONT, ELM
SPRINGS, ENNING, AND WASTA
1103 AM MDT THU APR 2 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM
MDT SATURDAY...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 1 AND 4 INCHES AND ICE ACCUMULATIONS UP TO ONE TENTH OF AN
INCH. WINDS GUSTING AS HIGH AS 40 MPH.
* WHERE...SOUTHERN MEADE CO PLAINS, STURGIS/PIEDMONT FOOTHILLS,
PENNINGTON CO PLAINS, AND RAPID CITY.
* WHEN...FROM MIDNIGHT TONIGHT TO 3 AM MDT SATURDAY.
* 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.
SDZ032-043-046-047-049-030815-
/O.NEW.KUNR.WW.Y.0007.260403T0600Z-260404T0900Z/
HAAKON-NORTHERN JACKSON-MELLETTE-TODD-TRIPP-
INCLUDING THE CITIES OF SAINT FRANCIS, MIDLAND, WHITE RIVER,
INTERIOR, IDEAL, ROSEBUD, PHILIP, MILESVILLE, NORRIS, BELVIDERE,
MISSION, HAMILL, WITTEN, KADOKA, WINNER, PARMELEE, CEDAR BUTTE,
COTTONWOOD, WOOD, AND COLOME
1103 AM MDT THU APR 2 2026 /1203 PM CDT THU APR 2 2026/
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT MDT /1 AM CDT/
TONIGHT TO 3 AM MDT /4 AM CDT/ SATURDAY...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS UP
TO 3 INCHES AND ICE ACCUMULATIONS AROUND TWO TENTHS OF AN INCH.
THE HEAVIER SNOW AND ICE ACCUMULATIONS WILL BE NORTH OF I90. WINDS
GUSTING AS HIGH AS 40 MPH.
* WHERE...MELLETTE, TODD, TRIPP, HAAKON, AND NORTHERN JACKSON.
* WHEN...FROM MIDNIGHT MDT /1 AM CDT/ TONIGHT TO 3 AM MDT /4 AM CDT/
SATURDAY.
* 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.
WYZ054-055-058-030815-
/O.NEW.KUNR.WW.Y.0007.260403T0900Z-260404T0600Z/
NORTHERN CAMPBELL-SOUTHERN CAMPBELL-WESTON COUNTY PLAINS-
INCLUDING THE CITIES OF CLARETON, WESTON, OSAGE, ROZET, GILLETTE,
RECLUSE, WRIGHT, UPTON, AND ROCHELLE
1103 AM MDT THU APR 2 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM FRIDAY TO MIDNIGHT
MDT FRIDAY NIGHT...
* WHAT...MIXED PRECIPITATION EXPECTED. TOTAL SNOW ACCUMULATIONS
BETWEEN 2 AND 5 INCHES AND ICE ACCUMULATIONS AROUND A LIGHT GLAZE
POSSIBLE. WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...NORTHERN CAMPBELL, SOUTHERN CAMPBELL, AND WESTON COUNTY
PLAINS.
* WHEN...FROM 3 AM FRIDAY TO MIDNIGHT MDT FRIDAY NIGHT.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE FRIDAY MORNING AND EVENING COMMUTES.
GUSTY WINDS COULD BRING DOWN TREE BRANCHES.
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.
JC
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