718
FPUS55 KRIW 100019
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
517 PM MST Tue Dec 9 2025

WYZ020-101100-
Natrona County Lower Elevations-
Including the city of Casper
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Mostly cloudy and breezy. Lows around 30. Northwest
winds 15 to 20 mph with gusts up to 30 mph, becoming southwest
10 to 15 mph after midnight.
.WEDNESDAY...Partly cloudy and breezy. Highs in the lower 50s.
Southwest winds 15 to 25 mph with gusts up to 45 mph.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows around 40.
Southwest winds 15 to 25 mph with gusts up to 45 mph.
.THURSDAY...Partly cloudy and breezy. Highs in the mid 50s.
Southwest winds 15 to 25 mph with gusts up to 40 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of. Lows in the upper 20s. West
winds 10 to 15 mph. Gusts up to 30 mph in the evening.
.FRIDAY...Partly cloudy. Highs around 50.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
.SATURDAY...Partly cloudy and breezy. Highs in the lower 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 50s.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
around 30.
.MONDAY...Partly cloudy. Highs around 50.
.MONDAY NIGHT...Mostly clear. Lows in the lower 30s.
.TUESDAY...Partly cloudy and breezy. Highs around 50. Temperature
falling into the lower 40s in the afternoon.

$$

WYZ017-101100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy this evening, then becoming partly
cloudy. Lows in the upper 20s. Northwest winds 10 to 15 mph,
becoming southeast after midnight. Gusts up to 30 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs around 50. Southwest
winds 15 to 20 mph with gusts up to 35 mph.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
Southwest winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY...Partly cloudy. Highs in the mid 50s. Southwest winds
10 to 15 mph with gusts up to 30 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds 10 to 15 mph with gusts up to 25 mph.
.FRIDAY...Partly cloudy. Highs in the lower 50s.
.FRIDAY NIGHT...Partly cloudy. Lows around 30.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.SUNDAY NIGHT...Partly cloudy. Lows around 30.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 30.
.TUESDAY...Partly cloudy in the morning, then clearing. Highs
around 50.

$$

WYZ018-101100-
Lander Foothills-
Including the city of Lander
517 PM MST Tue Dec 9 2025

.TONIGHT...Partly cloudy. Lows around 30. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs in the mid 50s.
Southwest winds 15 to 20 mph with gusts up to 30 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Southwest
winds 10 to 15 mph with gusts up to 30 mph.
.THURSDAY...Partly cloudy. Highs in the mid 50s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Highs in the lower 50s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows around 30.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 50s.
.SUNDAY NIGHT...Partly cloudy. Lows around 30.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.

$$

WYZ028-101100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Partly cloudy and windy. Lows in the mid 30s. West
winds 20 to 30 mph with gusts up to 45 mph.
.WEDNESDAY...Partly cloudy and windy. Highs in the lower 50s.
West winds 20 to 30 mph with gusts up to 50 mph.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s.
West winds 15 to 25 mph. Gusts up to 40 mph in the evening.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 50s. West
winds 15 to 25 mph with gusts up to 35 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. West winds
10 to 15 mph with gusts up to 30 mph.
.FRIDAY...Mostly sunny and breezy. Highs around 50.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 30s.
.SATURDAY...Mostly sunny. Highs around 50.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 20s.
.MONDAY...Mostly sunny. Highs around 50.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Partly cloudy. Highs in the mid 40s.

$$

WYZ013-101100-
Jackson Hole-
Including the city of Jackson
517 PM MST Tue Dec 9 2025

.TONIGHT...Snow showers. Rain showers. Snow accumulation up to
3 inches. Lows around 30. Southwest winds 10 to 15 mph with gusts
up to 30 mph. Chance of precipitation 80 percent.
.WEDNESDAY...Snow showers in the morning. Rain showers. Little or
no new snow accumulation. Breezy with highs in the lower 40s.
Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of
precipitation 80 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers in the
evening. Lows around 30. Southwest winds 10 to 15 mph with gusts
up to 30 mph. Chance of rain 30 percent.
.THURSDAY...Partly cloudy with a slight chance of rain and snow
showers. Highs in the lower 40s. Southwest winds 10 to 15 mph
with gusts up to 25 mph. Chance of precipitation 20 percent.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Lows around 30. Southwest winds around 10 mph with gusts
up to 20 mph. Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy with a chance of rain and snow showers in
the morning, then partly cloudy in the afternoon. Highs around
40. Chance of precipitation 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SATURDAY NIGHT...Mostly clear. Cold with lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SUNDAY NIGHT...Partly cloudy. Cold with lows around 20.
.MONDAY...Partly cloudy with a slight chance of snow showers. A
slight chance of rain showers in the afternoon. Highs around 40.
Chance of precipitation 20 percent.
.MONDAY NIGHT...Partly cloudy. A slight chance of snow and rain
showers in the evening, then a chance of snow showers after
midnight. Lows in the lower 20s. Chance of precipitation
30 percent.
.TUESDAY...Mostly cloudy with snow showers likely. A slight
chance of rain showers in the afternoon. Little or no snow
accumulation. Highs around 40. Chance of precipitation
60 percent.

$$

WYZ003-101100-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. Numerous snow showers after midnight.
Snow accumulation up to 1 inch. Breezy with lows in the lower
30s. West winds 15 to 20 mph, becoming south 10 to 15 mph after
midnight. Gusts up to 35 mph. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers in the morning. Scattered rain
showers. Breezy with highs in the lower 50s. Southwest winds
20 to 25 mph with gusts up to 55 mph. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower
40s. Southwest winds 20 to 25 mph with gusts up to 45 mph.
.THURSDAY...Partly cloudy. A slight chance of. Breezy with highs
in the mid 50s. Temperature falling into the upper 40s in the
afternoon. West winds 15 to 25 mph with gusts up to 45 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of rain and snow showers. Breezy with
lows in the lower 30s. Northwest winds 15 to 20 mph. Gusts up to
35 mph in the evening. Chance of precipitation 30 percent.
.FRIDAY...Partly cloudy. A chance of snow showers in the morning.
Highs in the mid 40s. Chance of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s.
.SATURDAY...Partly cloudy and breezy. Highs in the lower 40s.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50. Temperature falling into the lower 40s in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.MONDAY...Partly cloudy. Highs around 50. Temperature falling
into the lower 40s in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.TUESDAY...Partly cloudy and breezy. Highs around 50. Temperature
falling into the lower 40s in the afternoon.

$$

WYZ004-101100-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. Scattered snow showers after midnight.
Breezy with lows in the lower 30s. Northwest winds 15 to 20 mph
with gusts up to 30 mph, becoming southeast around 10 mph with
gusts up to 20 mph after midnight. Chance of snow 30 percent.
.WEDNESDAY...Scattered snow showers in the morning. Mostly cloudy
with scattered rain showers. Highs around 50. Southeast winds
around 10 mph with gusts up to 20 mph. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. South
winds around 10 mph with gusts up to 20 mph.
.THURSDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of. Highs in the lower 50s. South winds
around 10 mph, becoming southwest in the afternoon.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Lows in the upper 20s. Northwest winds around 10 mph
with gusts up to 20 mph. Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the lower
40s. Chance of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of. Lows in the
lower 20s.
.SATURDAY...Partly cloudy. Highs around 40.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 20s.
.SUNDAY...Partly cloudy. Highs around 50.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy. Highs around 50.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Partly cloudy. Highs around 50.

$$

WYZ006-101100-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. Scattered snow showers after midnight.
Lows around 30. West winds 10 to 15 mph with gusts up to 25 mph,
becoming southeast after midnight. Chance of snow 30 percent.
.WEDNESDAY...Mostly cloudy with scattered snow showers with
isolated rain showers in the morning, then partly cloudy in the
afternoon. Highs in the upper 40s. Southeast winds around 10 mph.
Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. South
winds around 10 mph.
.THURSDAY...Partly cloudy. Highs in the mid 50s. South winds
around 10 mph, becoming southwest in the afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of rain and snow showers after midnight.
Lows in the upper 20s. Northwest winds around 10 mph in the
evening. Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Partly cloudy. Highs around 40.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy. Highs around 50.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 30.
.TUESDAY...Partly cloudy. Highs around 50.

$$

WYZ005-101100-
Southwest Bighorn Basin-
Including the city of Thermopolis
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. Lows around 30. Southeast winds 10 to
15 mph.
.WEDNESDAY...Partly cloudy. Highs around 50. South winds around
10 mph with gusts up to 20 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Southwest
winds 10 to 15 mph with gusts up to 25 mph.
.THURSDAY...Partly cloudy. Highs in the mid 50s. Southwest winds
around 10 mph with gusts up to 25 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 30. West winds
around 10 mph.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy. Highs in the lower 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy. Highs in the lower 50s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 50. Temperature falling into the lower 40s in the
afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs in the lower 50s. Temperature
falling into the lower 40s in the afternoon.

$$

WYZ023-101100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
517 PM MST Tue Dec 9 2025

.TONIGHT...Rain showers. Snow showers. Snow accumulation up to
1 inch. Near steady temperature in the mid 30s. South winds
around 10 mph with gusts up to 20 mph. Chance of precipitation
80 percent.
.WEDNESDAY...Cloudy. Rain showers, mainly in the morning. Highs
in the lower 40s. Southwest winds around 10 mph with gusts up to
20 mph. Chance of rain 80 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds
around 10 mph with gusts up to 20 mph in the evening.
.THURSDAY...Partly cloudy. Highs in the mid 40s. Southwest winds
around 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.FRIDAY...Partly cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. A slight chance of rain and snow showers
in the afternoon. Highs in the lower 40s. Chance of precipitation
20 percent.
.MONDAY NIGHT...Partly cloudy with a slight chance of rain and
snow showers in the evening, then mostly cloudy with a chance of
snow and rain showers after midnight. Lows in the mid 20s. Chance
of precipitation 30 percent.
.TUESDAY...Mostly cloudy with a chance of snow and rain showers.
Little or no snow accumulation. Highs around 40. Chance of
precipitation 50 percent.

$$

WYZ025-101100-
Upper Green River Basin Foothills-
Including the city of Pinedale
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy with snow showers. Snow accumulation up
to 4 inches. Lows around 30. Northwest winds 10 to 15 mph. Chance
of snow 80 percent.
.WEDNESDAY...Mostly cloudy. Rain and snow showers in the morning,
then numerous rain showers in the afternoon. New snow
accumulation up to 1 inch. Breezy with highs in the lower 40s.
Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of
precipitation 80 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. Northwest
winds 10 to 15 mph.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s. Northwest winds 10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. Northwest
winds around 10 mph.
.FRIDAY...Partly cloudy. Highs around 40.
.FRIDAY NIGHT...Partly cloudy. Lows around 20.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 15 to 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Cold with lows around 20.
.MONDAY...Partly cloudy. Highs around 40.
.MONDAY NIGHT...Partly cloudy. A slight chance of. Cold with lows
around 20.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Highs around 40.

$$

WYZ026-101100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy with scattered snow showers. Scattered
rain showers, mainly this evening. Breezy with lows around 30.
West winds 15 to 20 mph with gusts up to 35 mph. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy with scattered rain and snow showers
in the morning, then partly cloudy in the afternoon. Windy with
highs around 50. West winds 20 to 30 mph with gusts up to 45 mph.
Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the upper
20s. West winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the upper 40s. West winds 15 to 20 mph with gusts
up to 30 mph.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 20s. West winds 10 to 15 mph with
gusts up to 25 mph.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 16 to 22.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.SUNDAY NIGHT...Mostly clear. Cold with lows around 20.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.TUESDAY...Partly cloudy. A slight chance of. Highs in the lower
40s.

$$

WYZ010-101100-
Northeast Johnson County-
Including the city of Buffalo
517 PM MST Tue Dec 9 2025

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
scattered snow showers after midnight. Breezy with lows in the
upper 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph,
becoming west around 10 mph with gusts up to 20 mph after
midnight. Chance of snow 30 percent.
.WEDNESDAY...Mostly cloudy with scattered rain showers. Scattered
snow showers, mainly in the morning. Highs in the upper 40s.
South winds 10 to 15 mph. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of. Near steady
temperature around 40. Southwest winds around 10 mph with gusts
up to 20 mph.
.THURSDAY...Partly cloudy in the morning, then mostly cloudy with
a slight chance of rain showers in the afternoon. Highs in the
mid 50s. Temperature falling into the upper 40s in the afternoon.
Southwest winds around 10 mph, becoming northwest in the
afternoon. Chance of rain 20 percent.
.THURSDAY NIGHT...Cloudy. Rain and snow showers likely in the
evening, then a chance of snow showers after midnight. Light snow
accumulation possible. Lows in the lower 20s. North winds 10 to
15 mph. Chance of precipitation 60 percent.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning.
Much cooler with highs in the lower 30s. Chance of snow
30 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of. Cold with lows 10 to 15.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 30.
.SATURDAY NIGHT...Partly cloudy. Cold with lows 15 to 21.
.SUNDAY...Partly cloudy. Not as cool with highs in the lower 50s.
.SUNDAY NIGHT...Partly cloudy. Lows around 30.
.MONDAY...Partly cloudy. Highs in the upper 40s. Temperature
falling into the lower 40s in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Partly cloudy. Highs in the lower 50s. Temperature
falling into the lower 40s in the afternoon.

$$

WYZ011-101100-
Southeast Johnson County-
Including the city of Kaycee
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy. Lows in the upper 20s. North winds
10 to 15 mph with gusts up to 30 mph, becoming southwest after
midnight.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 50s. South winds 10 to 15 mph,
becoming southwest in the afternoon. Gusts up to 30 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 40. Southwest winds 10 to 15 mph with
gusts up to 30 mph.
.THURSDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 60. Temperature falling into the lower 50s
in the afternoon. West winds 10 to 15 mph with gusts up to
30 mph.
.THURSDAY NIGHT...A chance of rain showers in the evening. Mostly
cloudy with a chance of snow showers. Lows in the mid 20s. North
winds 10 to 15 mph. Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Cold with lows 14 to 20.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 30s.
.SATURDAY NIGHT...Partly cloudy. Lows around 20.
.SUNDAY...Partly cloudy. Not as cool with highs in the mid 50s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy. Highs in the lower 50s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs in the lower 50s. Temperature
falling into the mid 40s in the afternoon.

$$

WYZ027-101100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Scattered snow showers this evening. Mostly cloudy
with scattered rain showers. Breezy with lows in the mid 30s.
West winds 20 to 25 mph with gusts up to 40 mph. Chance of
precipitation 30 percent.
.WEDNESDAY...Partly cloudy. Scattered rain showers in the
morning. Windy with highs in the mid 40s. West winds 20 to 30 mph
with gusts up to 45 mph. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower
30s. West winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY...Mostly sunny and breezy. Highs in the upper 40s. West
winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 30. West winds 10 to 15 mph with gusts
up to 25 mph.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Mostly clear. Lows around 30.
.SATURDAY...Mostly sunny. Highs in the mid 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...Partly cloudy. Highs in the lower 40s.

$$

WYZ016-101100-
Upper Wind River Basin-
Including the city of Dubois
517 PM MST Tue Dec 9 2025

.TONIGHT...Partly cloudy with numerous snow showers and scattered
rain showers this evening, then mostly cloudy with snow showers
after midnight. Snow accumulation up to 2 inches. Windy with lows
around 30. Northwest winds 20 to 30 mph with gusts up to 45 mph,
becoming west 15 to 20 mph with gusts up to 35 mph after
midnight. Chance of precipitation 80 percent.
.WEDNESDAY...Partly cloudy. Numerous rain and snow showers in the
morning, then scattered rain showers in the afternoon. Little or
no snow accumulation. Very windy with highs in the upper 40s.
West winds 30 to 40 mph with gusts up to 60 mph. Chance of
precipitation 60 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Windy with lows in the upper 30s. West winds 20 to 30 mph with
gusts up to 50 mph.
.THURSDAY...Mostly sunny and windy. Highs in the upper 40s. West
winds 20 to 30 mph with gusts up to 45 mph.
.THURSDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
West winds 15 to 25 mph with gusts up to 40 mph.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 40s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the lower 30s.
.SATURDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 40s. Temperature falling into the upper 30s
in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows around 30.
.SUNDAY...Mostly sunny. Highs in the upper 40s. Temperature
falling into the lower 40s in the afternoon.
.SUNDAY NIGHT...Mostly clear and breezy. Lows around 30.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s. Temperature falling into the upper 30s in the
afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. A slight chance of. Breezy with lows around 30.
.TUESDAY...Partly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the mid 40s.

$$

WYZ001-101100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
517 PM MST Tue Dec 9 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Cloudy with snow showers. Patchy blowing snow after
midnight with visibility one quarter mile or less at times. Snow
accumulation up to 8 inches. Breezy with lows in the mid 20s.
Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of
snow 90 percent.
.WEDNESDAY...Patchy dense fog and blowing snow in the morning.
Snow and rain showers with visibility one quarter mile or less at
times. Storm total snow accumulation of 4 to 8 inches. Breezy
with highs in the upper 30s. Southwest winds 15 to 20 mph with
gusts up to 40 mph. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Mostly cloudy. A chance of rain and snow
showers in the evening, then a slight chance of snow showers
after midnight. Breezy with lows in the upper 20s. Southwest
winds 15 to 20 mph with gusts up to 35 mph. Chance of
precipitation 30 percent.
.THURSDAY...Mostly cloudy. A slight chance of snow showers in the
morning, then a chance of snow showers in the afternoon. Highs in
the mid 30s. Southwest winds 10 to 15 mph with gusts up to
30 mph. Chance of snow 30 percent.
.THURSDAY NIGHT...A chance of rain showers in the evening. Cloudy
with snow showers likely. Light snow accumulation possible. Lows
in the upper 20s. Southwest winds 10 to 15 mph with gusts up to
30 mph. Chance of precipitation 60 percent.
.FRIDAY...Mostly cloudy with a chance of snow showers. A slight
chance of rain showers in the afternoon. New light snow
accumulation possible. Highs in the mid 30s. Chance of
precipitation 50 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of. Lows in the
lower 20s.
.SATURDAY...Mostly cloudy with a slight chance of snow showers in
the morning, then partly cloudy in the afternoon. Highs in the
mid 30s. Chance of snow 20 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows 16 to 22.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Cold with lows 16 to 22.
.MONDAY...Partly cloudy. Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 40 percent chance of snow showers. Lows in the
lower 20s.
.TUESDAY...Mostly cloudy. Snow showers likely, mainly in the
morning. Light snow accumulation possible. Highs in the lower
30s. Chance of snow 60 percent.

$$

WYZ029-101100-
Flaming Gorge-
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Mostly cloudy this evening, then becoming partly
cloudy. Breezy with lows in the mid 30s. West winds 15 to 25 mph
with gusts up to 45 mph.
.WEDNESDAY...Partly cloudy and windy. Highs in the lower 50s.
West winds 20 to 30 mph with gusts up to 45 mph.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s.
West winds 15 to 20 mph. Gusts up to 35 mph in the evening.
.THURSDAY...Mostly sunny and breezy. Highs in the mid 50s. West
winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. West winds
10 to 15 mph with gusts up to 25 mph.
.FRIDAY...Mostly sunny. Highs in the lower 50s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 30s.
.SATURDAY...Mostly sunny. Highs around 50.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 30.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.SUNDAY NIGHT...Mostly clear. Lows around 30.
.MONDAY...Mostly sunny. Highs in the upper 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.TUESDAY...Partly cloudy. Highs in the mid 40s.

$$

WYZ022-101100-
Casper Mountain-
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Mostly cloudy. Scattered snow showers this evening.
Breezy with lows in the mid 20s. West winds 20 to 25 mph with
gusts up to 35 mph, diminishing to 10 to 15 mph with gusts up to
25 mph after midnight. Chance of snow 30 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the lower 40s. Southwest winds 20 to
25 mph with gusts up to 45 mph.
.WEDNESDAY NIGHT...Mostly cloudy and windy. Lows in the mid 30s.
Southwest winds 20 to 30 mph with gusts up to 55 mph.
.THURSDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the mid 40s. Southwest winds 15 to
25 mph. Gusts up to 50 mph, decreasing to 35 mph in the
afternoon.
.THURSDAY NIGHT...Partly cloudy and breezy. Lows in the upper
20s. West winds 15 to 20 mph with gusts up to 30 mph.
.FRIDAY...Partly cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows around 30.
.SATURDAY...Partly cloudy and breezy. Highs around 40.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s.
.MONDAY...Partly cloudy. Highs in the lower 40s.
.MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 30s.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 40s.

$$

WYZ002-101100-
Absaroka Mountains-
517 PM MST Tue Dec 9 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Partly cloudy with scattered snow showers this
evening, then cloudy with snow showers after midnight. Areas of
blowing snow this evening, then blowing snow after midnight.
Visibility one quarter mile or less at times. Snow accumulation
up to 8 inches. Windy with lows in the mid 20s. West winds 20 to
30 mph with gusts up to 55 mph. Chance of snow 90 percent.
.WEDNESDAY...Snow showers and numerous rain showers. Blowing snow
in the morning. Patchy blowing snow in the afternoon. Visibility
one quarter mile or less at times. Storm total snow accumulation
of 6 to 10 inches. Windy with highs around 40. West winds 25 to
35 mph with gusts up to 65 mph. Chance of precipitation
90 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of snow and rain
showers in the evening. Windy with lows in the lower 30s. West
winds 25 to 35 mph with gusts up to 65 mph. Chance of
precipitation 30 percent.
.THURSDAY...Partly cloudy. A chance of snow showers in the
afternoon. Windy with highs in the mid 30s. West winds 25 to
35 mph. Gusts up to 60 mph, decreasing to 50 mph in the
afternoon. Chance of snow 30 percent.
.THURSDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Light snow
accumulation possible. Windy. Near steady temperature in the
lower 30s. West winds 20 to 30 mph with gusts up to 50 mph.
Chance of snow 60 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the mid 30s.
.FRIDAY NIGHT...Partly cloudy. A slight chance of. Windy with
lows in the mid 20s.
.SATURDAY...Partly cloudy and breezy. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly clear and breezy. Near steady
temperature in the mid 20s.
.SUNDAY...Mostly sunny and breezy. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
.MONDAY...Partly cloudy and breezy. Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy. A slight chance of snow showers
after midnight. Breezy with lows in the mid 20s. Chance of snow
20 percent.
.TUESDAY...Partly cloudy with a 40 percent chance of snow
showers. Breezy with highs in the mid 30s.

$$

WYZ007-101100-
Owl Creek and Bridger Mountains-
517 PM MST Tue Dec 9 2025

.TONIGHT...Mostly cloudy and breezy. Lows around 30. North winds
15 to 20 mph, becoming south 10 to 15 mph after midnight.
.WEDNESDAY...Partly cloudy and breezy. Highs in the upper 40s.
Southwest winds 15 to 20 mph with gusts up to 35 mph.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Near steady
temperature around 40. Southwest winds 15 to 20 mph with gusts up
to 35 mph.
.THURSDAY...Partly cloudy and breezy. Highs around 50. Southwest
winds 15 to 20 mph with gusts up to 30 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. West
winds 10 to 15 mph with gusts up to 25 mph.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s.
.SATURDAY...Partly cloudy. Highs in the lower 40s. Temperature
falling into the mid 30s in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Near steady temperature around
30.
.SUNDAY...Partly cloudy. Highs in the upper 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Near steady temperature in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the mid 40s. Temperature
falling into the upper 30s in the afternoon.

$$

WYZ008-101100-
Bighorn Mountains West-
517 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Mostly cloudy. Patchy blowing snow this evening.
Numerous snow showers after midnight with visibility one quarter
mile or less at times. Snow accumulation up to 2 inches. Breezy
with lows in the mid 20s. Northwest winds 20 to 25 mph with gusts
up to 40 mph, becoming west 10 to 15 mph with gusts up to 25 mph
after midnight. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy. Numerous snow showers in the morning,
then scattered rain and snow showers in the afternoon. Areas of
blowing snow in the morning, then patchy blowing snow in the
afternoon. Snow may be heavy at times in the morning. Visibility
one quarter mile or less at times. Storm total snow accumulation
of 4 to 6 inches. Breezy with highs around 40. Southwest winds
15 to 20 mph with gusts up to 35 mph. Chance of precipitation
60 percent.
.WEDNESDAY NIGHT...Mostly cloudy and breezy. Near steady
temperature in the upper 30s. West winds 15 to 20 mph with gusts
up to 35 mph.
.THURSDAY...Partly cloudy. A chance of snow and rain showers in
the afternoon. Highs in the lower 40s. West winds 10 to 15 mph
with gusts up to 30 mph. Chance of precipitation 30 percent.
.THURSDAY NIGHT...Mostly cloudy with snow showers likely with a
chance of rain showers. Light snow accumulation possible. Lows in
the upper 20s. West winds 10 to 15 mph. Chance of precipitation
60 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 50 percent chance of snow showers. New little or no
snow accumulation. Highs in the mid 30s.
.FRIDAY NIGHT...Partly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. Chance of snow 30 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Highs in the lower 30s. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy. Highs in the lower 40s.
.SUNDAY NIGHT...Partly cloudy. Lows around 30.
.MONDAY...Partly cloudy. Highs in the lower 40s. Temperature
falling into the mid 30s in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Near steady temperature around 30.
.TUESDAY...Partly cloudy. Highs around 40. Temperature falling
into the lower 30s in the afternoon.

$$

WYZ009-101100-
Bighorn Mountains Southeast-
517 PM MST Tue Dec 9 2025

.TONIGHT...Patchy blowing snow this evening. Partly cloudy this
evening, then mostly cloudy with scattered snow showers after
midnight with visibility one quarter mile or less at times. Windy
with lows in the mid 20s. Northwest winds 20 to 30 mph with gusts
up to 55 mph, becoming west 10 to 15 mph with gusts up to 30 mph
after midnight. Chance of snow 30 percent.
.WEDNESDAY...Partly cloudy with scattered snow showers. Patchy
blowing snow in the morning. Blowing snow in the afternoon.
Scattered rain showers in the afternoon. Visibility one quarter
mile or less at times. Windy with highs in the lower 40s. West
winds 20 to 30 mph with gusts up to 50 mph. Chance of
precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s. West winds 15 to 25 mph with gusts up to 50 mph.
.THURSDAY...Partly cloudy. A slight chance of. Breezy with highs
in the mid 40s. West winds 15 to 25 mph with gusts up to 45 mph.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of rain showers in the evening.
Snow showers likely. Light snow accumulation possible. Breezy
with lows in the mid 20s. West winds 15 to 20 mph with gusts up
to 35 mph, diminishing to around 10 mph with gusts up to 20 mph
after midnight. Chance of precipitation 60 percent.
.FRIDAY...Partly cloudy. A chance of snow showers in the morning.
Highs in the upper 30s. Chance of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of. Breezy with
lows in the mid 20s.
.SATURDAY...Partly cloudy. Highs in the mid 30s. Temperature
falling into the upper 20s in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 40s. Temperature falling into the upper 30s
in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows around 30.
.MONDAY...Partly cloudy. Highs in the lower 40s. Temperature
falling into the mid 30s in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Breezy with lows in the lower 30s.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 40s.
Temperature falling into the lower 30s in the afternoon.

$$

WYZ012-101100-
Teton and Gros Ventre Mountains-
517 PM MST Tue Dec 9 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Snow showers. Patchy blowing snow. Visibility one
quarter mile or less at times. Snow accumulation up to 15 inches.
Windy with lows in the upper 20s. West winds 20 to 30 mph with
gusts up to 50 mph. Chance of snow 90 percent.
.WEDNESDAY...Snow and rain showers. Patchy blowing snow.
Visibility one quarter mile or less at times. Storm total snow
accumulation of 8 to 12 inches. Windy with highs in the upper
30s. Southwest winds 20 to 30 mph with gusts up to 55 mph. Chance
of precipitation 90 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain
showers in the evening, then partly cloudy after midnight. Breezy
with lows in the upper 20s. Southwest winds 15 to 25 mph. Gusts
up to 50 mph, decreasing to 40 mph after midnight. Chance of
precipitation 30 percent.
.THURSDAY...Partly cloudy. A slight chance of snow showers in the
morning, then a chance of snow showers in the afternoon. Breezy
with highs in the mid 30s. Southwest winds 15 to 25 mph with
gusts up to 45 mph. Chance of snow 30 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Breezy with lows in the upper 20s. Southwest winds 15 to
20 mph with gusts up to 35 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Highs in the mid
30s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly clear. Cold with lows 16 to 22.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Cold with lows 16 to 22.
.MONDAY...Partly cloudy with a 20 percent chance of snow showers.
Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows in the lower 20s.
.TUESDAY...Mostly cloudy with snow showers likely. Light snow
accumulation possible. Highs in the lower 30s. Chance of snow
60 percent.

$$

WYZ014-101100-
Wind River Mountains West-
517 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Cloudy with snow showers. Patchy blowing snow.
Visibility one quarter mile or less at times. Snow accumulation
up to 8 inches. Breezy with lows in the mid 20s. West winds 20 to
25 mph with gusts up to 45 mph. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy with scattered rain showers. Snow
showers. Areas of blowing snow in the morning. Patchy blowing
snow in the afternoon. Visibility one quarter mile or less at
times. Storm total snow accumulation of 4 to 8 inches. Windy with
highs in the upper 30s. West winds 20 to 30 mph with gusts up to
50 mph. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
West winds 20 to 25 mph with gusts up to 45 mph.
.THURSDAY...Partly cloudy and breezy. Highs in the mid 30s. West
winds 20 to 25 mph with gusts up to 40 mph.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Breezy with
lows in the mid 20s. West winds 15 to 20 mph with gusts up to
35 mph.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 30s.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 30s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 30s. Temperature falling into the upper 20s in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Cold with lows 16 to 24.
.MONDAY...Partly cloudy. Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy. A slight chance of. Near steady
temperature in the lower 20s.
.TUESDAY...Partly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the lower 30s.

$$

WYZ015-101100-
Wind River Mountains East-
517 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Partly cloudy with scattered snow showers this
evening, then mostly cloudy with numerous snow showers after
midnight. Patchy blowing snow this evening, then blowing snow
after midnight. Visibility one quarter mile or less at times.
Snow accumulation up to 10 inches. Windy with lows in the mid
20s. West winds 25 to 35 mph with gusts up to 60 mph. Chance of
snow 60 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Numerous snow showers. Scattered rain showers, mainly in
the morning. Blowing snow. Visibility one quarter mile or less at
times. Storm total snow accumulation of 3 to 5 inches. Very windy
with highs in the lower 40s. West winds 30 to 40 mph with gusts
up to 65 mph. Chance of precipitation 70 percent.
.WEDNESDAY NIGHT...Partly cloudy and windy. Lows around 30. West
winds 25 to 35 mph with gusts up to 65 mph.
.THURSDAY...Mostly sunny and windy. Highs in the upper 30s. West
winds 25 to 35 mph. Gusts up to 60 mph, decreasing to 50 mph in
the afternoon.
.THURSDAY NIGHT...Partly cloudy and windy. Near steady
temperature in the upper 20s. West winds 20 to 30 mph with gusts
up to 55 mph.
.FRIDAY...Partly cloudy and windy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy and windy. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 30s. Temperature falling into the upper 20s
in the afternoon.
.SATURDAY NIGHT...Partly cloudy and breezy. Near steady
temperature in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the upper 30s. Temperature falling into the lower
30s in the afternoon.
.SUNDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Breezy with lows in the mid 20s.
.MONDAY...Partly cloudy and breezy. Highs in the upper 30s.
Temperature falling into the upper 20s in the afternoon.
.MONDAY NIGHT...Partly cloudy. A slight chance of. Breezy with
lows in the mid 20s.
.TUESDAY...Partly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the mid 30s. Temperature falling
into the upper 20s in the afternoon.

$$

WYZ019-101100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Mostly cloudy and breezy. Lows in the lower 30s. West
winds 20 to 25 mph with gusts up to 45 mph.
.WEDNESDAY...Partly cloudy and windy. Highs in the upper 40s.
Southwest winds 20 to 30 mph with gusts up to 45 mph.
.WEDNESDAY NIGHT...Partly cloudy and windy. Lows in the mid 30s.
Southwest winds 20 to 30 mph with gusts up to 50 mph.
.THURSDAY...Partly cloudy and breezy. Highs in the upper 40s.
Southwest winds 15 to 25 mph with gusts up to 45 mph.
.THURSDAY NIGHT...Partly cloudy and breezy. Lows in the lower
30s. Southwest winds 15 to 20 mph with gusts up to 35 mph.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 40s.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s.
.SATURDAY...Partly cloudy and breezy. Highs in the mid 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Partly cloudy and breezy. Highs in the mid 40s.

$$

WYZ024-101100-
Salt River and Wyoming Ranges-
517 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

.TONIGHT...Snow showers. Scattered rain showers this evening,
then rain showers after midnight. Blowing snow this evening.
Patchy blowing snow after midnight. Visibility one quarter mile
or less at times. Snow accumulation up to 9 inches. Windy with
lows in the lower 30s. West winds 20 to 30 mph with gusts up to
60 mph. Chance of precipitation 80 percent.
.WEDNESDAY...Mostly cloudy with rain and snow showers. Patchy
blowing snow. Visibility one quarter mile or less at times. New
snow accumulation up to 3 inches. Windy with highs in the upper
30s. West winds 25 to 35 mph. Gusts up to 60 mph, increasing to
70 mph in the afternoon. Chance of precipitation 80 percent.
.WEDNESDAY NIGHT...Partly cloudy and windy. Lows in the upper
20s. West winds 20 to 30 mph. Gusts up to 60 mph, decreasing to
45 mph after midnight.
.THURSDAY...Mostly sunny and windy. Highs in the upper 30s. West
winds 20 to 30 mph with gusts up to 50 mph.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Breezy with
lows in the upper 20s. West winds 15 to 20 mph with gusts up to
40 mph.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the mid 20s.
.SATURDAY...Mostly sunny. Highs in the upper 30s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 30s. Temperature falling into the lower 30s in the
afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. A slight chance of. Highs in the upper
30s.
.MONDAY NIGHT...Partly cloudy. A chance of snow showers after
midnight. Lows in the lower 20s. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy with snow showers likely in the
afternoon. Little or no snow accumulation. Highs in the mid 30s.
Chance of snow 60 percent.

$$

WYZ030-101100-
East Sweetwater County-
Including the city of Wamsutter
517 PM MST Tue Dec 9 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

.TONIGHT...Mostly cloudy and windy. Lows in the mid 30s. West
winds 20 to 30 mph with gusts up to 50 mph.
.WEDNESDAY...Mostly cloudy and windy. Highs in the upper 40s.
West winds 20 to 30 mph with gusts up to 50 mph.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
Southwest winds 15 to 25 mph. Gusts up to 40 mph in the evening.
.THURSDAY...Partly cloudy and breezy. Highs around 50. West winds
15 to 25 mph with gusts up to 35 mph.
.THURSDAY NIGHT...Partly cloudy and breezy. Lows in the lower
30s. West winds 15 to 20 mph with gusts up to 30 mph.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 40s.
.FRIDAY NIGHT...Partly cloudy and breezy. Lows around 30.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 40s.

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