827
FPUS55 KRIW 042035
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
132 PM MST Thu Dec 4 2025

WYZ020-042300-
Natrona County Lower Elevations-
Including the city of Casper
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the lower
30s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Breezy with lows in
the lower 20s. Southwest winds 15 to 20 mph with gusts up to
35 mph.
.FRIDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the mid
30s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of
snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy with lows in the mid 20s. Southwest winds 15 to
25 mph with gusts up to 40 mph. Chance of snow 30 percent.
.SATURDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Breezy with highs
around 40. Temperature falling into the lower 30s in the
afternoon. West winds 15 to 20 mph. Gusts up to 35 mph in the
morning. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows around 20.
.SUNDAY...Mostly sunny. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 40s.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy and windy. Highs in the upper 40s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Little or no snow accumulation. Breezy with lows around
30. Chance of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy. A chance of rain and snow showers,
mainly in the morning. Breezy with highs in the lower 40s. Chance
of precipitation 30 percent.

$$

WYZ017-042300-
Wind River Basin-
Including the cities of Riverton and Shoshoni
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the mid 30s. West winds
10 to 15 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 20s. West winds 10 to
15 mph with gusts up to 35 mph.
.FRIDAY...Partly cloudy. Highs in the upper 30s. West winds
around 10 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows in the mid 20s. Southwest winds 10 to 15 mph with
gusts up to 30 mph.
.SATURDAY...Partly cloudy. A slight chance of snow showers in the
morning. Highs around 40. Temperature falling into the mid 30s in
the afternoon. West winds 10 to 15 mph with gusts up to 25 mph.
Chance of snow 20 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows around 20.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 40.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy. A slight chance of. Breezy with highs
around 50.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Breezy with lows around 30. Chance of precipitation
40 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs in the mid 40s. Chance of precipitation
30 percent.

$$

WYZ018-042300-
Lander Foothills-
Including the city of Lander
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the upper 30s. South
winds around 10 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 20s. Southwest winds
around 10 mph.
.FRIDAY...Partly cloudy. A chance of snow showers in the
afternoon. Highs in the upper 30s. Southwest winds around 10 mph,
becoming south with gusts up to 20 mph in the afternoon. Chance
of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening, then snow showers likely with a chance of rain showers
after midnight. Little or no snow accumulation. Breezy with lows
in the upper 20s. Southwest winds 15 to 20 mph with gusts up to
35 mph. Chance of precipitation 60 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Highs in the lower 40s. Temperature falling into the mid
30s in the afternoon. West winds 10 to 15 mph. Chance of snow
30 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows around 20.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy. A slight chance of. Breezy with highs
around 50.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A
slight chance of snow showers in the evening, then a chance of
snow showers after midnight. Breezy with lows in the lower 30s.
Chance of precipitation 40 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of rain and snow showers. Highs in the upper
40s. Chance of precipitation 30 percent.

$$

WYZ028-042300-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs around 30. West
winds 15 to 25 mph with gusts up to 35 mph.
.TONIGHT...Mostly 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...Mostly cloudy in the morning, then partly cloudy with a
chance of snow showers in the afternoon. Breezy with highs in the
mid 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance
of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely with a chance of rain showers
after midnight. Little or no snow accumulation. Windy with lows
around 30. West winds 20 to 30 mph with gusts up to 45 mph.
Chance of precipitation 60 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Windy with highs in the upper 30s. West winds 20 to
30 mph with gusts up to 45 mph. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows around 20.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 30s.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 20s.
.MONDAY...Partly cloudy and breezy. Highs around 40.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the mid 40s.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of rain and
snow showers. Breezy with lows in the mid 30s. Chance of
precipitation 20 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of rain and snow showers. Breezy with
highs in the upper 40s. Chance of precipitation 20 percent.

$$

WYZ013-042300-
Jackson Hole-
Including the city of Jackson
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Mostly cloudy with snow showers likely. Snow
accumulation up to 1 inch. Highs in the upper 20s. Southwest
winds around 10 mph with gusts up to 20 mph. Chance of snow
60 percent.
.TONIGHT...Snow showers. Snow accumulation up to 9 inches. Near
steady temperature in the mid 20s. South winds around 10 mph.
Chance of snow 80 percent.
.FRIDAY...Snow showers. New snow accumulation of 1 to 7 inches.
Highs in the lower 30s. Southwest winds around 10 mph. Chance of
snow near 100 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy with lows in the mid 20s. Southwest winds 15 to 20 mph
with gusts up to 30 mph. Chance of snow near 100 percent.
.SATURDAY...Snow showers. New light snow accumulation. Highs in
the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph.
Chance of snow 90 percent.
.SATURDAY NIGHT...Snow showers. New light snow accumulation. Cold
with lows 15 to 20. Chance of snow 80 percent.
.SUNDAY...Snow showers. New light snow accumulation. Highs in the
lower 30s. Chance of snow 80 percent.
.SUNDAY NIGHT...Snow showers. New light snow accumulation. Lows
in the mid 20s. Chance of snow 90 percent.
.MONDAY...Cloudy. Snow showers likely, mainly in the morning. New
little or no snow accumulation. Highs in the mid 30s. Chance of
snow 60 percent.
.MONDAY NIGHT...A chance of snow showers in the evening, then
snow showers likely after midnight. Light snow accumulation
possible. Lows in the mid 20s. Chance of snow 70 percent.
.TUESDAY...Snow showers likely in the morning, then snow and rain
showers in the afternoon. New light snow accumulation. Highs in
the upper 30s. Chance of precipitation 80 percent.
.TUESDAY NIGHT...Snow and rain showers. New light snow
accumulation. Lows around 30. Chance of precipitation 80 percent.
.WEDNESDAY...Snow and rain showers. New light snow accumulation.
Highs in the lower 40s. Chance of precipitation 80 percent.

$$

WYZ003-042300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Mostly cloudy and breezy. Highs in the mid 30s.
West winds 20 to 25 mph with gusts up to 40 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy with lows in the mid 20s. West winds 15 to
20 mph. Gusts up to 40 mph, decreasing to 30 mph after midnight.
Chance of snow 30 percent.
.FRIDAY...Mostly cloudy in the morning, then partly cloudy with
snow showers likely in the afternoon. Little or no snow
accumulation. Highs in the mid 30s. Northwest winds around
10 mph, becoming southeast in the afternoon. Chance of snow
60 percent.
.FRIDAY NIGHT...Mostly cloudy with snow showers likely. Little or
no snow accumulation. Lows in the upper 20s. Southwest winds
10 to 15 mph, becoming west after midnight. Gusts up to 35 mph.
Chance of snow 60 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Highs around 40.
Temperature falling into the lower 30s in the afternoon.
Northwest winds 10 to 15 mph with gusts up to 35 mph.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower
20s.
.SUNDAY...Partly cloudy and breezy. Highs around 40.
.SUNDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Breezy with lows in the upper 20s. Chance of snow
30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a slight chance of snow showers after midnight. Breezy with
lows around 30. Chance of snow 20 percent.
.TUESDAY...Mostly cloudy. A slight chance of rain and snow
showers in the morning, then a chance of rain and snow showers in
the afternoon. Breezy with highs in the upper 40s. Chance of
precipitation 30 percent.
.TUESDAY NIGHT...Rain and snow showers likely. Little or no snow
accumulation. Breezy with lows in the lower 30s. Chance of
precipitation 60 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs around 40. Chance of precipitation 40 percent.

$$

WYZ004-042300-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Mostly cloudy. Highs in the mid 30s. South
winds 10 to 15 mph.
.TONIGHT...Cloudy with a 30 percent chance of snow showers. Lows
in the mid 20s. Southeast winds around 10 mph.
.FRIDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 30s.
Southeast winds around 10 mph with gusts up to 20 mph in the
afternoon. Chance of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Near steady temperature in the mid 20s. Southeast winds
around 10 mph with gusts up to 20 mph, becoming south after
midnight.
.SATURDAY...Mostly cloudy. A chance of snow showers in the
morning. Highs in the mid 30s. Chance of snow 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy. A chance of rain showers with a slight
chance of snow showers in the afternoon. Highs in the mid 40s.
Chance of precipitation 30 percent.
.TUESDAY NIGHT...Mostly cloudy with rain and snow showers likely.
Little or no snow accumulation. Lows around 30. Chance of
precipitation 60 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs around 40. Chance of precipitation 40 percent.

$$

WYZ006-042300-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the mid 30s.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. Chance of snow 30 percent.
.FRIDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the mid
30s. Southeast winds around 10 mph in the afternoon. Chance of
snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. Southeast winds around 10 mph,
becoming southwest after midnight. Chance of snow 30 percent.
.SATURDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the upper
30s. Chance of snow 30 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Cold with lows 15 to 21.
.SUNDAY...Partly cloudy. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.TUESDAY...Mostly cloudy. A slight chance of. Highs in the upper
40s.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow showers. A
chance of rain showers in the evening, then rain showers likely
after midnight. Little or no snow accumulation. Lows in the upper
20s. Chance of precipitation 60 percent.
.WEDNESDAY...Mostly cloudy. A chance of rain and snow showers,
mainly in the morning. Highs around 40. Chance of precipitation
30 percent.

$$

WYZ005-042300-
Southwest Bighorn Basin-
Including the city of Thermopolis
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the upper 30s.
Southeast winds around 10 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 20s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 30s. Southeast winds around 10 mph in
the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. South winds around 10 mph with
gusts up to 20 mph, becoming southwest after midnight. Chance of
snow 30 percent.
.SATURDAY...Mostly cloudy with a slight chance of snow showers in
the morning, then partly cloudy in the afternoon. Highs around
40. Temperature falling into the lower 30s in the afternoon. West
winds around 10 mph, becoming north in the afternoon. Chance of
snow 20 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy. Highs around 40.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy. A slight chance of rain and snow
showers in the afternoon. Highs in the upper 40s. Chance of
precipitation 20 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Little or no snow accumulation. Lows in the upper 20s.
Chance of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Highs around 40. Chance of precipitation 40 percent.

$$

WYZ023-042300-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Cloudy with snow showers likely. Snow
accumulation up to 1 inch. Near steady temperature in the mid
20s. Chance of snow 60 percent.
.TONIGHT...Snow showers. Snow accumulation of 2 to 7 inches. Near
steady temperature in the mid 20s. South winds around 10 mph in
the evening. Chance of snow 80 percent.
.FRIDAY...Snow showers. New snow accumulation of 1 to 4 inches.
Highs in the lower 30s. Southwest winds around 10 mph in the
afternoon. Chance of snow 90 percent.
.FRIDAY NIGHT...Snow showers in the evening, then snow and rain
showers after midnight. New light snow accumulation. Lows in the
upper 20s. West winds 10 to 15 mph with gusts up to 35 mph.
Chance of precipitation near 100 percent.
.SATURDAY...Snow showers. New light snow accumulation. Highs in
the mid 30s. West winds 10 to 15 mph. Gusts up to 35 mph in the
morning. Chance of snow near 100 percent.
.SATURDAY NIGHT...Cloudy. Snow showers, mainly in the evening.
New light snow accumulation. Lows in the lower 20s. Chance of
snow 80 percent.
.SUNDAY...Snow showers likely. New little or no snow
accumulation. Highs in the mid 30s. Chance of snow 70 percent.
.SUNDAY NIGHT...Snow showers. Light snow accumulation. Lows in
the mid 20s. Chance of snow 80 percent.
.MONDAY...Cloudy. Snow showers likely, mainly in the morning. New
little or no snow accumulation. Highs in the upper 30s. Chance of
snow 60 percent.
.MONDAY NIGHT...Cloudy with a 40 percent chance of snow showers.
Lows in the lower 20s.
.TUESDAY...Snow showers likely. Rain showers likely in the
afternoon. Little or no snow accumulation. Highs around 40.
Chance of precipitation 60 percent.
.TUESDAY NIGHT...Rain and snow showers likely. Little or no snow
accumulation. Lows in the lower 30s. Chance of precipitation
70 percent.
.WEDNESDAY...Rain and snow showers likely. Little or no snow
accumulation. Highs in the lower 40s. Chance of precipitation
70 percent.

$$

WYZ025-042300-
Upper Green River Basin Foothills-
Including the city of Pinedale
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the mid 20s. Northwest winds 10 to 15 mph with
gusts up to 25 mph.
.TONIGHT...Cloudy with snow showers likely. Snow accumulation up
to 4 inches. Cold with lows around 20. Northwest winds around
10 mph in the evening. Chance of snow 60 percent.
.FRIDAY...Mostly cloudy with snow showers. New snow accumulation
up to 4 inches. Highs around 30. Northwest winds 10 to 15 mph.
Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times in the
evening. New moderate snow accumulation. Lows in the mid 20s.
Southwest winds 10 to 15 mph, becoming west after midnight. Gusts
up to 30 mph. Chance of snow near 100 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Snow showers. New light snow accumulation. Breezy with
highs in the lower 30s. West winds 15 to 20 mph with gusts up to
30 mph. Chance of snow 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely in the
evening. New little or no snow accumulation. Cold with lows 10 to
15. Chance of snow 70 percent.
.SUNDAY...Partly cloudy in the morning, then becoming mostly
cloudy. A 40 percent chance of snow showers. Highs around 30.
.SUNDAY NIGHT...Mostly cloudy with snow showers likely. Little or
no snow accumulation. Cold with lows 15 to 20. Chance of snow
70 percent.
.MONDAY...Mostly cloudy. A chance of snow showers in the morning.
Highs in the mid 30s. Chance of snow 40 percent.
.MONDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows around 20. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Little or no
snow accumulation. Highs around 40. Chance of snow 60 percent.
.TUESDAY NIGHT...Mostly cloudy with snow showers likely. A chance
of rain showers after midnight. Light snow accumulation possible.
Lows in the mid 20s. Chance of precipitation 70 percent.
.WEDNESDAY...Mostly cloudy with snow showers likely. A chance of
rain showers in the morning, then rain showers likely in the
afternoon. New light snow accumulation possible. Highs around 40.
Chance of precipitation 60 percent.

$$

WYZ026-042300-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs around 30. West
winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Cold with lows
around 20. West winds 10 to 15 mph with gusts up to 30 mph.
.FRIDAY...Partly cloudy. Snow showers likely in the afternoon.
Snow accumulation up to 1 inch. Highs in the mid 30s. West winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 60 percent.
.FRIDAY NIGHT...Snow showers. Light snow accumulation. Breezy
with lows in the mid 20s. West winds 15 to 25 mph with gusts up
to 35 mph. Chance of snow 80 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Breezy with highs in the mid 30s. West winds 15 to
25 mph with gusts up to 35 mph. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows 10 to 15.
.SUNDAY...Partly cloudy. Highs in the lower 30s.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows 15 to 21.
.MONDAY...Partly cloudy. Highs in the upper 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows 16 to 22.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Breezy with highs in the lower 40s. Chance of snow
30 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow and rain
showers. Breezy with lows around 30. Chance of precipitation
30 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Breezy with highs in the mid 40s. Chance of
precipitation 30 percent.

$$

WYZ010-042300-
Northeast Johnson County-
Including the city of Buffalo
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the upper 30s. South
winds around 10 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. West winds around 10 mph. Chance
of snow 30 percent.
.FRIDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the mid
30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance
of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a chance of snow showers after midnight. Lows in the lower
20s. South winds around 10 mph with gusts up to 20 mph, becoming
west after midnight. Chance of snow 30 percent.
.SATURDAY...Mostly cloudy. A chance of snow showers in the
morning. Highs in the mid 30s. Temperature falling into the upper
20s in the afternoon. Northwest winds around 10 mph with gusts up
to 20 mph. Chance of snow 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy. A slight chance of rain showers in the
afternoon. Highs in the upper 40s. Chance of rain 20 percent.
.TUESDAY NIGHT...Rain and snow showers likely. Little or no snow
accumulation. Lows in the upper 20s. Chance of precipitation
60 percent.
.WEDNESDAY...Cloudy. A chance of rain and snow showers, mainly in
the morning. Highs in the upper 30s. Chance of precipitation
30 percent.

$$

WYZ011-042300-
Southeast Johnson County-
Including the city of Kaycee
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the upper 30s.
Southwest winds 10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the lower 20s. Southwest winds 10 to 15 mph.
Chance of snow 30 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 30s. West winds around 10 mph, becoming
northeast in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of. Lows in the
mid 20s. South winds 10 to 15 mph, becoming west after midnight.
.SATURDAY...Mostly cloudy with a slight chance of snow showers in
the morning, then partly cloudy in the afternoon. Highs in the
upper 30s. Temperature falling to around 30 in the afternoon.
Northwest winds around 10 mph, becoming north in the afternoon.
Chance of snow 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy and breezy. Highs in the upper 40s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Little or no snow accumulation. Lows in the upper 20s.
Chance of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy. A chance of rain and snow showers,
mainly in the morning. Highs in the upper 30s. Chance of
precipitation 30 percent.

$$

WYZ027-042300-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Near steady
temperature in the mid 20s. West winds 20 to 25 mph with gusts up
to 35 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy. Near steady temperature in the lower 20s.
Southwest winds 15 to 20 mph with gusts up to 35 mph.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers in the afternoon. Snow accumulation up to
2 inches. Breezy with highs in the lower 30s. West winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. Light snow accumulation. Windy with
lows in the upper 20s. West winds 20 to 30 mph with gusts up to
45 mph. Chance of snow 80 percent.
.SATURDAY...Mostly cloudy with snow showers in the morning, then
partly cloudy with a chance of snow showers in the afternoon. New
little or no snow accumulation. Windy with highs in the mid 30s.
West winds 20 to 30 mph with gusts up to 40 mph. Chance of snow
80 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Breezy, cold with lows around 20.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the lower 30s.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 30 percent chance of snow showers. Breezy with
lows in the lower 20s.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the upper 30s.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 20s.
.TUESDAY...Mostly cloudy. A chance of rain and snow showers in
the afternoon. Breezy with highs around 40. Chance of
precipitation 30 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Breezy. Near steady temperature in the mid 30s. Chance
of precipitation 30 percent.
.WEDNESDAY...Mostly cloudy with a chance of rain and snow
showers. Breezy with highs in the lower 40s. Chance of
precipitation 30 percent.

$$

WYZ016-042300-
Upper Wind River Basin-
Including the city of Dubois
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and windy. Highs in the lower
30s. Northwest winds 20 to 30 mph with gusts up to 50 mph.
.TONIGHT...Partly cloudy with a 30 percent chance of snow
showers. Windy with lows in the lower 20s. Northwest winds 20 to
30 mph. Gusts up to 50 mph, decreasing to 40 mph after midnight.
.FRIDAY...Partly cloudy. Snow showers in the afternoon. Snow
accumulation up to 1 inch. Breezy with highs in the mid 30s.
Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of
snow 80 percent.
.FRIDAY NIGHT...Snow showers. Light snow accumulation. Breezy
with lows in the upper 20s. West winds 15 to 25 mph with gusts up
to 40 mph. Chance of snow 90 percent.
.SATURDAY...Partly cloudy in the morning, then clearing. Snow
showers. New little or no snow accumulation. Breezy with highs in
the mid 30s. West winds 15 to 25 mph with gusts up to 40 mph.
Chance of snow 80 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Breezy, cold with lows around 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy with snow showers likely. Little or
no snow accumulation. Breezy with lows in the mid 20s. Chance of
snow 60 percent.
.MONDAY...Partly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Breezy with highs in
the upper 30s. Chance of snow 30 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a chance of snow showers after midnight. Breezy with lows in
the upper 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 with a
chance of rain showers in the afternoon. Little or no snow
accumulation. Windy with highs in the mid 40s. Chance of
precipitation 60 percent.
.TUESDAY NIGHT...Snow and rain showers likely. Light snow
accumulation possible. Windy with lows in the lower 30s. Chance
of precipitation 70 percent.
.WEDNESDAY...Mostly cloudy with snow showers likely with a chance
of rain showers. New light snow accumulation possible. Breezy
with highs in the mid 40s. Chance of precipitation 60 percent.

$$

WYZ001-042300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Snow showers. Snow accumulation up to 3 inches.
Cold. Near steady temperature around 19. Southwest winds 10 to
15 mph with gusts up to 30 mph. Chance of snow 80 percent.
.TONIGHT...Snow showers. New snow accumulation of 1 to 12 inches.
Cold with lows 15 to 21. Southwest winds 10 to 15 mph with gusts
up to 30 mph. Chance of snow 80 percent.
.FRIDAY...Snow showers. New snow accumulation up to 8 inches.
Highs in the mid 20s. Southwest winds 10 to 15 mph with gusts up
to 25 mph. Chance of snow near 100 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times in the
evening. New moderate snow accumulation. Breezy with lows in the
lower 20s. West winds 15 to 20 mph with gusts up to 40 mph.
Chance of snow near 100 percent.
.SATURDAY...Snow showers. New light snow accumulation. Breezy
with highs in the upper 20s. West winds 15 to 20 mph with gusts
up to 35 mph. Chance of snow 90 percent.
.SATURDAY NIGHT...Cloudy with snow showers. New light snow
accumulation. Cold with lows 10 to 20. Chance of snow 80 percent.
.SUNDAY...Mostly cloudy with snow showers. New little or no snow
accumulation. Highs in the mid 20s. Chance of snow 90 percent.
.SUNDAY NIGHT...Cloudy with snow showers. Light snow
accumulation. Breezy, cold with lows 16 to 22. Chance of snow
90 percent.
.MONDAY...Cloudy with snow showers likely. New little or no snow
accumulation. Highs in the upper 20s. Chance of snow 70 percent.
.MONDAY NIGHT...Cloudy. A chance of snow showers in the evening,
then snow showers likely after midnight. Light snow accumulation
possible. Breezy. Near steady temperature in the mid 20s. Chance
of snow 70 percent.
.TUESDAY...Snow showers. New moderate snow accumulation. Breezy
with highs in the lower 30s. Chance of snow 80 percent.
.TUESDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy with lows in the mid 20s. Chance of snow 80 percent.
.WEDNESDAY...Snow showers. New moderate snow accumulation. Highs
in the lower 30s. Chance of snow 80 percent.

$$

WYZ029-042300-
Flaming Gorge-
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs around 30. West
winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Cloudy with a 30 percent chance of snow showers.
Breezy with lows in the mid 20s. West winds 15 to 20 mph with
gusts up to 30 mph.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning.
Breezy with highs in the mid 30s. West winds 15 to 20 mph with
gusts up to 35 mph. Chance of snow 30 percent.
.FRIDAY NIGHT...Cloudy. A chance of snow and rain showers after
midnight. Windy with lows around 30. Southwest winds 15 to 20 mph
with gusts up to 30 mph, becoming west 20 to 30 mph with gusts up
to 40 mph after midnight. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy with a slight chance of snow showers in
the morning, then partly cloudy in the afternoon. Windy with
highs in the mid 30s. West winds 20 to 30 mph with gusts up to
45 mph. Chance of snow 20 percent.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower
20s.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the upper 30s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy and breezy. Highs in the mid 40s.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of. Breezy with
lows in the mid 30s.
.WEDNESDAY...Mostly cloudy with a slight chance of rain and snow
showers. Breezy with highs in the mid 40s. Chance of
precipitation 20 percent.

$$

WYZ022-042300-
Casper Mountain-
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs in the mid 20s.
Southwest winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy, cold. Near steady temperature in the lower 20s.
Southwest winds 15 to 25 mph with gusts up to 45 mph. Chance of
snow 30 percent.
.FRIDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 20s. West
winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of
snow 40 percent.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of snow showers in
the evening, then a chance of snow showers after midnight. Light
snow accumulation possible. Windy with lows in the lower 20s.
Southwest winds 20 to 30 mph with gusts up to 50 mph. Chance of
snow 50 percent.
.SATURDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy with a slight chance of snow showers
in the afternoon. New light snow accumulation possible. Breezy
with highs in the lower 30s. West winds 15 to 20 mph. Gusts up to
40 mph in the morning. Chance of snow 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Cold with lows 15 to 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 20s.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s.
.TUESDAY...Mostly cloudy and windy. Highs in the upper 30s.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow and rain
showers. Breezy with lows in the upper 20s. Chance of
precipitation 40 percent.
.WEDNESDAY...Mostly cloudy. A chance of snow and rain showers,
mainly in the morning. Breezy with highs in the upper 30s. Chance
of precipitation 30 percent.

$$

WYZ002-042300-
Absaroka Mountains-
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Mostly cloudy with snow showers. Snow
accumulation up to 3 inches. Breezy with highs in the lower 20s.
West winds 15 to 25 mph with gusts up to 45 mph. Chance of snow
80 percent.
.TONIGHT...Mostly cloudy with snow showers. Snow accumulation up
to 12 inches. Breezy, cold. Near steady temperature around 20.
West winds 20 to 25 mph. Gusts up to 50 mph, decreasing to 40 mph
after midnight. Chance of snow 80 percent.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers in the afternoon. New snow accumulation up to
8 inches. Breezy with highs in the mid 20s. West winds 15 to
20 mph with gusts up to 35 mph. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times in the
evening. New moderate snow accumulation. Windy with lows in the
lower 20s. West winds 20 to 30 mph with gusts up to 50 mph.
Chance of snow 90 percent.
.SATURDAY...Snow showers. New light snow accumulation. Windy with
highs in the mid 20s. West winds 20 to 30 mph with gusts up to
50 mph, diminishing to 15 to 20 mph with gusts up to 40 mph in
the afternoon. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New light snow accumulation possible. Breezy, cold
with lows 12 to 20. Chance of snow 60 percent.
.SUNDAY...Partly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the mid 20s.
.SUNDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Windy, cold with lows around 20.
Chance of snow 60 percent.
.MONDAY...Partly cloudy. A chance of snow showers in the morning.
Windy with highs in the upper 20s. Chance of snow 30 percent.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Windy with lows in the lower 20s.
.TUESDAY...Snow showers likely. Light snow accumulation possible.
Windy with highs in the lower 30s. Chance of snow 70 percent.
.TUESDAY NIGHT...Snow showers. New moderate snow accumulation.
Windy with lows in the mid 20s. Chance of snow 80 percent.
.WEDNESDAY...Snow showers likely. Snow may be heavy at times in
the morning. New moderate snow accumulation possible. Windy with
highs in the lower 30s. Chance of snow 70 percent.

$$

WYZ007-042300-
Owl Creek and Bridger Mountains-
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy. Highs in the lower 30s.
Southwest winds around 10 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 20s. West winds
around 10 mph.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 30s. Northwest winds around 10 mph,
becoming south in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy with lows in the mid 20s. Southwest winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 30 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Highs in the mid 30s. Temperature falling into the upper
20s in the afternoon. Northwest winds 10 to 15 mph. Gusts up to
30 mph in the morning. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Near steady temperature in the mid
20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 20s.
.TUESDAY...Mostly cloudy. A chance of rain showers with a slight
chance of snow showers in the afternoon. Breezy with highs in the
mid 40s. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Little or no snow accumulation. Breezy with lows around
30. Chance of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow and rain
showers. Highs in the upper 30s. Chance of precipitation
40 percent.

$$

WYZ008-042300-
Bighorn Mountains West-
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Partly cloudy with snow showers likely. Snow
accumulation up to 2 inches. Highs in the mid 20s. West winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 60 percent.
.TONIGHT...Cloudy with snow showers likely. Snow may be heavy at
times after midnight. Storm total snow accumulation of 6 to
10 inches. Cold. Near steady temperature around 20. Northwest
winds 10 to 15 mph with gusts up to 30 mph. Chance of snow
60 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs in the mid 20s. West winds 10 to 15 mph, becoming southwest
in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Light snow
accumulation possible. Cold with lows around 20. South winds
10 to 15 mph, becoming west after midnight. Chance of snow
70 percent.
.SATURDAY...Mostly cloudy. Snow showers, mainly in the morning.
New light snow accumulation. Highs in the upper 20s. West winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening. Cold with lows 12 to 22. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 20s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 20s.
.TUESDAY...Mostly cloudy. A chance of snow showers with a slight
chance of rain showers in the afternoon. Breezy with highs in the
mid 30s. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Snow and rain showers likely. Light snow
accumulation possible. Breezy with lows in the mid 20s. Chance of
precipitation 70 percent.
.WEDNESDAY...Cloudy. Snow showers likely, mainly in the morning.
New light snow accumulation possible. Highs in the lower 30s.
Chance of snow 60 percent.

$$

WYZ009-042300-
Bighorn Mountains Southeast-
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the upper
20s. West winds 15 to 20 mph with gusts up to 40 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy, cold with lows around 20. West winds 15 to
20 mph with gusts up to 40 mph.
.FRIDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Breezy with highs
in the mid 20s. West winds 15 to 20 mph with gusts up to 30 mph.
Chance of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a chance of snow showers after midnight. Breezy, cold with
lows around 20. West winds 15 to 25 mph with gusts up to 35 mph.
Chance of snow 30 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs
around 30. Northwest winds 15 to 20 mph with gusts up to 35 mph.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Breezy, cold with lows 15 to 21. Chance of snow
30 percent.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 20s.
.SUNDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Windy with highs in the upper 30s. Chance of snow
30 percent.
.TUESDAY NIGHT...Snow showers likely. A chance of rain showers,
mainly in the evening. Light snow accumulation possible. Breezy
with lows in the mid 20s. Chance of precipitation 60 percent.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of snow
showers. Breezy with highs in the lower 30s.

$$

WYZ012-042300-
Teton and Gros Ventre Mountains-
132 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Snow showers. Snow accumulation up to 3 inches.
Cold with highs 15 to 23. West winds 10 to 15 mph with gusts up
to 25 mph. Chance of snow 80 percent.
.TONIGHT...Snow showers. Snow may be heavy at times. New snow
accumulation up to 14 inches. Cold with lows 13 to 21. Southwest
winds 10 to 15 mph with gusts up to 25 mph. Chance of snow
80 percent.
.FRIDAY...Snow showers. Snow may be heavy at times in the
afternoon. New snow accumulation of 1 to 12 inches. Highs in the
mid 20s. West winds 10 to 15 mph with gusts up to 25 mph. Chance
of snow near 100 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times. New
heavy snow accumulation. Breezy with lows in the lower 20s. West
winds 15 to 25 mph with gusts up to 45 mph. Chance of snow near
100 percent.
.SATURDAY...Snow showers. New light snow accumulation. Breezy
with highs in the mid 20s. West winds 15 to 20 mph. Gusts up to
40 mph, decreasing to 30 mph in the afternoon. Chance of snow
near 100 percent.
.SATURDAY NIGHT...Snow showers. New light snow accumulation. Cold
with lows 10 to 20. Chance of snow 90 percent.
.SUNDAY...Snow showers. New light snow accumulation. Highs in the
mid 20s. Chance of snow 80 percent.
.SUNDAY NIGHT...Snow showers. New moderate snow accumulation.
Near steady temperature in the lower 20s. Chance of snow
90 percent.
.MONDAY...Cloudy with snow showers likely. New light snow
accumulation possible. Highs in the upper 20s. Chance of snow
70 percent.
.MONDAY NIGHT...Snow showers likely. New light snow accumulation
possible. Lows in the lower 20s. Chance of snow 70 percent.
.TUESDAY...Snow showers. New moderate snow accumulation. Highs in
the lower 30s. Chance of snow 80 percent.
.TUESDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy. Near steady temperature in the upper 20s. Chance of snow
80 percent.
.WEDNESDAY...Snow showers. Snow may be heavy at times in the
morning. New moderate snow accumulation. Breezy with highs in the
lower 30s. Chance of snow 80 percent.

$$

WYZ014-042300-
Wind River Mountains West-
132 PM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Mostly cloudy with a 30 percent chance of snow
showers. Breezy, cold with highs around 20. West winds 15 to
20 mph with gusts up to 40 mph.
.TONIGHT...Cloudy with snow showers likely. Snow accumulation up
to 7 inches. Breezy, cold. Near steady temperature around 15.
West winds 15 to 20 mph with gusts up to 40 mph. Chance of snow
60 percent.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers in the afternoon. New snow accumulation up to
7 inches. Breezy with highs in the mid 20s. West winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times. New
heavy snow accumulation. Breezy, cold with lows 15 to 23. West
winds 15 to 25 mph with gusts up to 45 mph. Chance of snow
90 percent.
.SATURDAY...Mostly cloudy with snow showers. New light snow
accumulation. Breezy with highs in the mid 20s. West winds 15 to
25 mph. Gusts up to 45 mph, decreasing to 35 mph in the
afternoon. Chance of snow 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New little or no snow accumulation. Breezy, cold
with lows 5 to 15 above. Chance of snow 60 percent.
.SUNDAY...Partly cloudy in the morning, then becoming mostly
cloudy. A 40 percent chance of snow showers. Breezy with highs in
the lower 20s.
.SUNDAY NIGHT...Mostly cloudy with snow showers likely. Little or
no snow accumulation. Breezy, cold. Near steady temperature 15 to
20. Chance of snow 60 percent.
.MONDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Breezy with highs
in the upper 20s. Chance of snow 30 percent.
.MONDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy, cold with lows 15 to 21. Chance of snow
30 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Light snow
accumulation possible. Breezy with highs in the lower 30s. Chance
of snow 60 percent.
.TUESDAY NIGHT...Snow showers likely. New moderate snow
accumulation possible. Breezy. Near steady temperature in the
upper 20s. Chance of snow 70 percent.
.WEDNESDAY...Mostly cloudy with snow showers likely. New moderate
snow accumulation possible. Breezy with highs in the lower 30s.
Chance of snow 60 percent.

$$

WYZ015-042300-
Wind River Mountains East-
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the mid 20s. West winds 20 to
25 mph with gusts up to 45 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Windy, cold with lows 13 to 21. West winds 20 to 30 mph
with gusts up to 50 mph.
.FRIDAY...Partly cloudy. A chance of snow showers in the morning,
then snow showers in the afternoon. Snow accumulation up to
7 inches. Breezy with highs in the mid 20s. West winds 15 to
25 mph with gusts up to 40 mph. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times. New
heavy snow accumulation. Windy with lows in the lower 20s. West
winds 25 to 35 mph with gusts up to 55 mph. Chance of snow
90 percent.
.SATURDAY...Partly cloudy with snow showers. New light snow
accumulation. Windy with highs in the mid 20s. West winds 20 to
30 mph. Gusts up to 55 mph, decreasing to 45 mph in the
afternoon. Chance of snow 80 percent.
.SATURDAY NIGHT...Partly cloudy. Snow showers likely in the
evening. New little or no snow accumulation. Breezy, cold with
lows 10 to 20. Chance of snow 60 percent.
.SUNDAY...Partly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the mid 20s.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Snow showers likely. Little or no snow
accumulation. Windy, cold with lows 13 to 23. Chance of snow
60 percent.
.MONDAY...Partly cloudy. A chance of snow showers in the morning.
Windy with highs in the upper 20s. Chance of snow 30 percent.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Windy with
lows in the lower 20s.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Light snow
accumulation possible. Windy with highs in the lower 30s. Chance
of snow 60 percent.
.TUESDAY NIGHT...Snow showers likely. New moderate snow
accumulation possible. Windy. Near steady temperature in the
upper 20s. Chance of snow 70 percent.
.WEDNESDAY...Mostly cloudy with snow showers likely. New moderate
snow accumulation possible. Windy with highs in the lower 30s.
Chance of snow 60 percent.

$$

WYZ019-042300-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the upper
20s. West winds 15 to 25 mph with gusts up to 40 mph.
.TONIGHT...Mostly cloudy and breezy, cold with lows around 20.
West winds 15 to 25 mph with gusts up to 45 mph.
.FRIDAY...Partly cloudy. A chance of snow showers in the
afternoon. Breezy with highs in the lower 30s. West winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Little or no
snow accumulation. Windy with lows in the mid 20s. Southwest
winds 20 to 30 mph with gusts up to 50 mph. Chance of snow
60 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Breezy with highs in the mid 30s. West winds 15 to
25 mph. Gusts up to 45 mph, decreasing to 35 mph in the
afternoon. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows 15 to 21.
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs in the lower 30s.
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the lower 20s.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the upper 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the mid 20s.
.TUESDAY...Mostly cloudy and windy. Highs in the lower 40s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Breezy with lows in the lower 30s. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow and rain
showers. Breezy with highs in the lower 40s. Chance of
precipitation 30 percent.

$$

WYZ024-042300-
Salt River and Wyoming Ranges-
132 PM MST Thu Dec 4 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM MST SATURDAY...

.THIS AFTERNOON...Mostly cloudy with snow showers likely. Snow
accumulation up to 1 inch. Breezy. Near steady temperature around
19. West winds 15 to 20 mph with gusts up to 30 mph. Chance of
snow 60 percent.
.TONIGHT...Snow showers. Snow accumulation up to 10 inches.
Breezy, cold with lows 16 to 22. West winds 15 to 20 mph with
gusts up to 30 mph. Chance of snow 80 percent.
.FRIDAY...Snow showers. Snow may be heavy at times in the
afternoon. New snow accumulation up to 12 inches. Breezy with
highs in the mid 20s. West winds 15 to 20 mph with gusts up to
30 mph. Chance of snow 90 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times. New
heavy snow accumulation. Windy with lows in the mid 20s. West
winds 25 to 35 mph with gusts up to 55 mph. Chance of snow near
100 percent.
.SATURDAY...Snow showers. New light snow accumulation. Windy with
highs in the upper 20s. West winds 20 to 30 mph. Gusts up to
55 mph, decreasing to 40 mph in the afternoon. Chance of snow
90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers, mainly in the
evening. New light snow accumulation. Breezy, cold with lows
14 to 20. Chance of snow 80 percent.
.SUNDAY...Mostly cloudy with snow showers likely. New little or
no snow accumulation. Breezy with highs in the upper 20s. Chance
of snow 70 percent.
.SUNDAY NIGHT...Mostly cloudy with snow showers. Light snow
accumulation. Breezy with lows in the lower 20s. Chance of snow
80 percent.
.MONDAY...Mostly cloudy. Snow showers likely, mainly in the
morning. New little or no snow accumulation. Breezy with highs
around 30. Chance of snow 60 percent.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of snow
showers. Little or no snow accumulation. Lows in the lower 20s.
.TUESDAY...Mostly cloudy with snow showers likely. Light snow
accumulation possible. Breezy with highs in the mid 30s. Chance
of snow 70 percent.
.TUESDAY NIGHT...Snow showers. New moderate snow accumulation.
Windy with lows in the upper 20s. Chance of snow 80 percent.
.WEDNESDAY...Rain showers likely. Snow showers likely. New light
snow accumulation possible. Breezy with highs in the mid 30s.
Chance of precipitation 70 percent.

$$

WYZ030-042300-
East Sweetwater County-
Including the city of Wamsutter
132 PM MST Thu Dec 4 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the upper
20s. West winds 15 to 25 mph with gusts up to 35 mph.
.TONIGHT...Cloudy with a 30 percent chance of snow showers.
Breezy with lows in the lower 20s. West winds 15 to 25 mph with
gusts up to 40 mph.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the lower 30s. West winds 15 to 20 mph with
gusts up to 35 mph.
.FRIDAY NIGHT...Cloudy. A chance of snow showers in the evening,
then snow showers likely after midnight. Light snow accumulation
possible. Windy with lows in the mid 20s. West winds 20 to 30 mph
with gusts up to 40 mph. Chance of snow 60 percent.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning. Windy with highs in the mid 30s. West winds 20 to 30 mph
with gusts up to 45 mph. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy and breezy, cold with lows around
20.
.SUNDAY...Partly cloudy and breezy. Highs in the lower 30s.
.SUNDAY NIGHT...Mostly cloudy and breezy. Lows in the lower 20s.
.MONDAY...Partly cloudy and breezy. Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the mid 20s.
.TUESDAY...Mostly cloudy and breezy. Highs around 40.
.TUESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers
after midnight. Breezy with lows around 30. Chance of
precipitation 30 percent.
.WEDNESDAY...Mostly cloudy with a slight chance of rain and snow
showers. Breezy with highs in the lower 40s. Chance of
precipitation 20 percent.

$$