899
WWUS73 KUNR 180723
NPWUNR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
123 AM MDT SAT JUL 18 2026
SDZ001-002-012>014-025>027-030>032-041>044-046-047-049-072>078-
WYZ054>056-058>060-182230-
/O.CON.KUNR.HT.Y.0001.000000T0000Z-260720T0300Z/
HARDING-NORTHERN PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-
NORTHERN FOOTHILLS-RAPID CITY-SOUTHERN FOOTHILLS-CUSTER CO PLAINS-
PENNINGTON CO PLAINS-HAAKON-WESTERN FALL RIVER-NORTHERN OGLALA
LAKOTA-NORTHERN JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
STURGIS/PIEDMONT FOOTHILLS-SOUTHERN MEADE CO PLAINS-HERMOSA
FOOTHILLS-EASTERN FALL RIVER-SOUTHERN OGLALA LAKOTA-SOUTHERN
JACKSON-SOUTHERN PERKINS-NORTHERN CAMPBELL-SOUTHERN CAMPBELL-
WESTERN CROOK-WESTON COUNTY PLAINS-NEWCASTLE-NORTHEASTERN CROOK-
INCLUDING THE CITIES OF WANBLEE, ZEONA, ROCKYFORD, WESTON, WHITE
RIVER, PORCUPINE, ANGOSTURA RESERVOIR, WOOD, LEMMON, TILFORD, SAINT
ONGE, FAITH, COLONY, HARRINGTON, OGLALA, COTTONWOOD, BATESLAND,
QUINN, FOLSOM, HOWES, BOX ELDER, USTA, HOOVER, WHITE OWL, MEADOW,
MIDLAND, DEVILS TOWER, BUFFALO GAP, CAMP CROOK, OSAGE, SHADEHILL,
RUMFORD, PINE RIDGE, SPEARFISH, ELM SPRINGS, WALL, REDIG, RAPID CITY,
SCENIC, NEW UNDERWOOD, CHERRY CREEK, WRIGHT, KADOKA, UNION CENTER,
STURGIS, ROZET, NEWELL, EDGEMONT, WINNER, OPAL, CLARETON, COLOME,
PARMELEE, BELVIDERE, ROCHELLE, CEDAR BUTTE, ALADDIN, INTERIOR, WASTA,
PHILIP, BELLE FOURCHE, VALE, WOUNDED KNEE, SHARPS CORNER, RECLUSE,
KYLE, HULETT, ROSEBUD, HOT SPRINGS, OELRICHS, REVA, HERMOSA,
GILLETTE, ORAL, DUPREE, MILESVILLE, SAINT FRANCIS, PROVO, SMITHWICK,
SUMMERSET, ALLEN, LUDLOW, MOORCROFT, FRUITDALE, SOUTH EAGLE BUTTE,
MISSION, BLACK HAWK, LONG VALLEY, TUTHILL, WITTEN, HAMILL, NEWCASTLE,
BUFFALO, PIEDMONT, BEULAH, BISON, MUD BUTTE, GLAD VALLEY, MANDERSON,
UPTON, ENNING, WHITEWOOD, CAPUTA, IDEAL, KEYHOLE RESERVOIR, PRAIRIE
CITY, RED OWL, ELLSWORTH AFB, PINE HAVEN, SORUM, POTATO CREEK,
LADNER, NORRIS, FAIRBURN, MARTIN, BELLE FOURCHE RESERVOIR, AND
ARDMORE
123 AM MDT SAT JUL 18 2026 /223 AM CDT SAT JUL 18 2026/
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /10 PM CDT/
SUNDAY...
* WHAT...PEAK AFTERNOON HEAT INDEX VALUES OF 95 TO 105, HOTTEST FOR
SUNDAY AFTERNOON.
* WHERE...PORTIONS OF NORTHWESTERN, SOUTH CENTRAL, AND SOUTHWESTERN
SOUTH DAKOTA AND NORTHEAST WYOMING.
* WHEN...UNTIL 9 PM MDT /10 PM CDT/ SUNDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
HELGESON
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