Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Riverton, WY

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996
WWUS75 KRIW 050814
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
214 AM MDT Sun Oct 5 2025

WYZ003-052315-
/O.UPG.KRIW.FZ.A.0002.251006T0700Z-251006T1600Z/
/O.NEW.KRIW.FZ.W.0006.251006T0700Z-251006T1600Z/
Cody Foothills-
Including the cities of Cody, Clark, and Meeteetse
214 AM MDT Sun Oct 5 2025

...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM MDT MONDAY...

* WHAT...Sub-freezing temperatures 26 to 30 degrees expected.

* WHERE...Cody Foothills.

* WHEN...From 1 AM to 10 AM MDT Monday.

* 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.

&&

$$

WYZ019-028>030-052315-
/O.UPG.KRIW.FZ.A.0002.251006T0700Z-251006T1600Z/
/O.NEW.KRIW.FZ.W.0006.251006T0700Z-251006T1600Z/
Green Mountains and Rattlesnake Range-Rock Springs and Green
River-Flaming Gorge-East Sweetwater County-
Including the cities of Wamsutter, Jeffrey City, Green River, and
Rock Springs
214 AM MDT Sun Oct 5 2025

...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM MDT MONDAY...

* WHAT...Sub-freezing temperatures 28 too 32 degrees expected.

* WHERE...Green Mountains and Rattlesnake Range, East Sweetwater
  County, Flaming Gorge, and Rock Springs and Green River.

* WHEN...From 1 AM to 10 AM MDT Monday.

* 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.

&&

$$

WYZ013-016-023-027-051600-
/O.CON.KRIW.FZ.W.0005.000000T0000Z-251005T1600Z/
Jackson Hole-Upper Wind River Basin-Star Valley-South Lincoln
County-
Including the cities of Alpine, Afton, Cokeville, Dubois,
Jackson, Star Valley Ranch, Thayne, and Kemmerer
214 AM MDT Sun Oct 5 2025

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM MDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 28 expected. Isolated
  areas as low as 25 degrees possible for cold prone locations, such
  as along rivers and low-lying areas.

* WHERE...Upper Wind River Basin, Jackson Hole, South Lincoln
  County, and Star Valley.

* WHEN...Until 10 AM MDT this morning.

* 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.

&&

$$

WYZ004>006-010-011-017-018-020-052315-
/O.CON.KRIW.FZ.A.0002.251006T0700Z-251006T1600Z/
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, Lander, Casper, Lovell, Buffalo,
Thermopolis, Powell, Worland, Shoshoni, Greybull, Kaycee,
Riverton, Shell, and Ten Sleep
214 AM MDT Sun Oct 5 2025

...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 30 possible.

* WHERE...Lander Foothills, Natrona County Lower Elevations,
  Southwest Bighorn Basin, Wind River Basin, Northeast Johnson
  County, Southeast Bighorn Basin, Southeast Johnson County, and
  North Bighorn Basin.

* WHEN...From late tonight through Monday morning.

* 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/ .

Straub