WWUS75 KRIW 050505

NPWRIW



URGENT - WEATHER MESSAGE

National Weather Service Riverton WY

1105 PM MDT Mon May 4 2026



WYZ003>006-010-011-017-018-020-052200-

/O.UPG.KRIW.FZ.A.0001.260506T0700Z-260506T1500Z/

/O.NEW.KRIW.FZ.W.0002.260506T0700Z-260506T1500Z/

Cody Foothills-North Bighorn Basin-Southwest Bighorn Basin-

Southeast Bighorn Basin-Northeast Johnson County-Southeast

Johnson County-Wind River Basin-Lander Foothills-Natrona County

Lower Elevations-

Including the cities of Basin, Buffalo, Shoshoni, Shell,

Meeteetse, Thermopolis, Riverton, Worland, Casper, Lovell,

Lander, Ten Sleep, Kaycee, Powell, Greybull, Clark, and Cody

1105 PM MDT Mon May 4 2026



...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM MDT WEDNESDAY...



* WHAT...Hard freezing temperatures ranging from 22 F to 28 F 

  degrees.



* WHERE...Lander Foothills, Natrona County Lower Elevations, 

  Southwest Bighorn Basin, Wind River Basin, Northeast Johnson 

  County, Southeast Bighorn Basin, Southeast Johnson County, Cody 

  Foothills, and North Bighorn Basin.



* WHEN...From 1 AM to 9 AM MDT Wednesday.



* 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.



&&



$$



For more information from the National Weather Service, visit 

https://weather.gov/riw/ .



Lowe