675
WWUS75 KRIW 051558
NPWRIW

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

WYZ016-061600-
/O.EXP.KRIW.FZ.W.0005.000000T0000Z-251005T1600Z/
/O.EXA.KRIW.FZ.W.0006.251006T0700Z-251006T1600Z/
Upper Wind River Basin-
Including the cities of Dubois
958 AM MDT Sun Oct 5 2025

...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM MDT MONDAY...
...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 25 expected around
  Dubois and around 29 near Crowheart. Isolated low temerpatures as
  low as 22 possible.

* WHERE...Upper Wind River Basin.

* 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.

&&

$$

WYZ013-023-027-051700-
/O.EXP.KRIW.FZ.W.0005.000000T0000Z-251005T1600Z/
Jackson Hole-Star Valley-South Lincoln County-
Including the cities of Star Valley Ranch, Afton, Alpine,
Cokeville, Thayne, Kemmerer, and Jackson
958 AM MDT Sun Oct 5 2025

...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING...

Temperatures have risen above 32 degrees, so the threat of a frost
or freeze has diminished. Freezing temperatures are again expected
the next two nights.

$$

WYZ004>006-010-011-017-018-020-061615-
/O.CAN.KRIW.FZ.A.0002.251006T0700Z-251006T1600Z/
/O.NEW.KRIW.FZ.A.0003.251007T0700Z-251007T1600Z/
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 Worland, Shell, Buffalo, Basin, Ten
Sleep, Powell, Lovell, Thermopolis, Kaycee, Shoshoni, Lander,
Casper, Riverton, and Greybull
958 AM MDT Sun Oct 5 2025

...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...
...FREEZE WATCH IS CANCELLED...

* WHAT...The threat of freezing temperatures Sunday night into
  Monday morning has decreased, so the Freeze Watch has been
  cancelled; temperatures in the low-to-mid 30s are still likely.
  Freezing temperatures are expected Monday night into Tuesday
  morning, so a Freeze Watch is in effect. Sub-freezing temperatures
  28 to 32 are possible, with lower temperatures for cold prone
  locations.

* 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...The new Freeze Watch is in effect from 1 AM to 10 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.

&&

$$

WYZ003-061615-
/O.NEW.KRIW.FZ.A.0003.251007T0700Z-251007T1600Z/
/O.CON.KRIW.FZ.W.0006.251006T0700Z-251006T1600Z/
Cody Foothills-
Including the cities of Cody, Clark, and Meeteetse
958 AM MDT Sun Oct 5 2025

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM MDT MONDAY...
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
  30 expected, and as low as 26 near the mountains. For the Freeze
  Watch, sub-freezing temperatures as low as 28 possible.

* WHERE...Cody Foothills.

* WHEN...For the Freeze Warning, from 1 AM to 10 AM MDT Monday. For
  the Freeze Watch, 1 AM to 10 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.

&&

$$

WYZ019-028>030-061615-
/O.NEW.KRIW.FZ.A.0003.251007T0700Z-251007T1600Z/
/O.CON.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 Green River, Wamsutter, Jeffrey City, and
Rock Springs
958 AM MDT Sun Oct 5 2025

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM MDT MONDAY...
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
  30 expected. For the Freeze Watch, sub-freezing temperatures as
  low as 26 possible.

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

* WHEN...For the Freeze Warning, from 1 AM to 10 AM MDT Monday. For
  the Freeze Watch, 1 AM to 10 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.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

Wittmann