WWUS73 KUNR 190243
NPWUNR

URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
843 PM MDT Mon May 18 2026

SDZ001-002-012>014-025>027-030>032-041>044-072>078-WYZ054>056-
058>060-191500-
/O.CON.KUNR.FZ.W.0002.260519T0600Z-260519T1500Z/
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-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 Manderson, Harrington, Oral, Belvidere,
Smithwick, Meadow, Camp Crook, Sharps Corner, Wright, Wall, Piedmont,
Colony, Tuthill, Newell, Angostura Reservoir, Martin, Philip,
Edgemont, Sturgis, Buffalo Gap, Vale, Redig, Mud Butte, Osage,
Caputa, Quinn, Buffalo, Wanblee, Cherry Creek, Ladner, Usta, Bison,
Midland, Dupree, Prairie City, Batesland, Cottonwood, Weston, Folsom,
Enning, Moorcroft, Wasta, Zeona, Gillette, Rochelle, Rozet, South
Eagle Butte, Long Valley, Red Owl, Belle Fourche, Fairburn,
Porcupine, Allen, Interior, Ellsworth AFB, Keyhole Reservoir, Rapid
City, Scenic, Tilford, Devils Tower, Milesville, Beulah, Faith,
Hoover, Reva, Rockyford, Wounded Knee, Oelrichs, White Owl, Oglala,
Clareton, Summerset, Elm Springs, Sorum, Potato Creek, Kyle, Hot
Springs, Spearfish, Ardmore, Box Elder, Saint Onge, Kadoka, Hermosa,
Aladdin, Newcastle, Hulett, Belle Fourche Reservoir, Black Hawk,
Union Center, Whitewood, Howes, Fruitdale, Lemmon, New Underwood,
Provo, Recluse, Pine Haven, Shadehill, Opal, Glad Valley, Pine Ridge,
Upton, Ludlow, and Rumford
843 PM MDT Mon May 18 2026

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
TUESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of northwestern and southwestern South Dakota and
  northeast Wyoming.

* WHEN...From midnight tonight to 9 AM MDT Tuesday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

SDZ046-047-191500-
/O.CON.KUNR.FR.Y.0003.260519T0600Z-260519T1500Z/
Mellette-Todd-
Including the cities of Parmelee, Norris, Mission, Rosebud, Wood,
White River, Cedar Butte, and Saint Francis
943 PM CDT Mon May 18 2026

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM CDT TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Mellette and Todd.

* WHEN...From 1 AM to 10 AM CDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Helgeson