535
FPUS55 KRIW 011548
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
847 AM MST Mon Dec 1 2025

WYZ020-012300-
Natrona County Lower Elevations-
Including the city of Casper
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs around 30. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a chance of snow showers after midnight. Breezy, cold with lows
around 20. Southwest winds 15 to 20 mph. Gusts up to 30 mph,
increasing to 45 mph after midnight. Chance of snow 30 percent.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the upper 30s. West winds 15 to 20 mph. Gusts up to 40 mph in the
morning.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows around 18. North winds around 10 mph. Chance of snow
80 percent.
.WEDNESDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. Highs in the upper 20s.
North winds around 10 mph, becoming west in the afternoon. Chance
of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows around 10 above.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows 15 to 20.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of snow showers
after midnight. Breezy with lows around 20. Chance of snow
20 percent.
.SATURDAY...Mostly cloudy with a slight chance of snow showers in
the morning, then partly cloudy with a chance of snow showers in
the afternoon. Breezy with highs in the upper 30s. Chance of snow
30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers, mainly
in the evening. Cold with lows 15 to 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ017-012300-
Wind River Basin-
Including the cities of Riverton and Shoshoni
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs around 30. Southwest winds around
10 mph with gusts up to 20 mph this afternoon.
.TONIGHT...Partly cloudy and breezy, cold with lows around 20.
West winds 15 to 20 mph. Gusts up to 30 mph, increasing to 40 mph
after midnight.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Highs in the upper
30s. Southwest winds 10 to 15 mph with gusts up to 35 mph,
becoming northwest with gusts up to 20 mph in the afternoon.
Chance of snow 30 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows around 19. North winds around 10 mph after midnight. Chance
of snow 80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Highs around 30.
North winds around 10 mph in the morning. Chance of snow
30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows around 10 above.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs
around 30.
.THURSDAY NIGHT...Partly cloudy. Cold with lows around 15.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. A chance of snow showers in the
morning, then a slight chance of rain and snow showers in the
afternoon. Highs around 40. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. Cold with lows around 20.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ018-012300-
Lander Foothills-
Including the city of Lander
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs in the lower 30s. South winds around
10 mph.
.TONIGHT...Mostly cloudy with a chance of snow showers in the
evening, then partly cloudy after midnight. Cold with lows around
19. Chance of snow 30 percent.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. A 20 percent chance of snow showers. Highs in the upper
30s. Southwest winds around 10 mph with gusts up to 20 mph,
becoming northwest in the afternoon.
.TUESDAY NIGHT...Snow showers likely. Light snow accumulation
possible. Cold with lows around 19. North winds around 10 mph
after midnight. Chance of snow 70 percent.
.WEDNESDAY...Mostly cloudy with a slight chance of snow showers
in the morning, then mostly sunny in the afternoon. Highs in the
upper 20s. Chance of snow 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 15 to 20.
.FRIDAY...Partly cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows in the lower 20s.
.SATURDAY...Partly cloudy with a chance of snow showers. A slight
chance of rain showers in the afternoon. Highs in the lower 40s.
Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of snow showers
in the evening. Cold with lows around 20. Chance of snow
20 percent.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ028-012300-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny and breezy. Highs around 30. West winds
15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A 30 percent chance of snow showers. Breezy with lows
around 20. West winds 15 to 20 mph with gusts up to 35 mph.
.TUESDAY...Mostly cloudy. A chance of snow showers, mainly in the
morning. Breezy with highs in the upper 30s. West winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 30 percent.
.TUESDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Cold with lows around 20. West winds around 10 mph with gusts up
to 20 mph, becoming north after midnight.
.WEDNESDAY...Cloudy in the morning, then becoming partly cloudy.
Highs around 30. East winds around 10 mph with gusts up to
20 mph.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows 15 to 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy and breezy. Lows in the mid 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 20 percent chance of snow showers. Breezy with highs
around 40.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower
20s.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ013-012300-
Jackson Hole-
Including the city of Jackson
847 AM MST Mon Dec 1 2025

.TODAY...Partly cloudy. Highs in the mid 20s. Southwest winds
around 10 mph this afternoon.
.TONIGHT...Mostly cloudy with snow showers. Snow accumulation up
to 2 inches. Cold. Near steady temperature around 20. South winds
around 10 mph with gusts up to 25 mph. Chance of snow 80 percent.
.TUESDAY...Snow showers. Storm total snow accumulation of 1 to
3 inches. Highs around 30. Southwest winds around 10 mph with
gusts up to 20 mph in the morning. Chance of snow 90 percent.
.TUESDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New little or no snow accumulation. Cold with lows
around 10 above. Chance of snow 60 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the lower 30s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Highs in the upper 20s. Chance of snow 30 percent.
.THURSDAY NIGHT...Mostly cloudy with snow showers likely. Little
or no snow accumulation. Cold with lows around 15. Chance of snow
60 percent.
.FRIDAY...A chance of snow showers in the morning, then snow
showers likely in the afternoon. Moderate snow accumulation
possible. Highs in the lower 30s. Chance of snow 60 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Lows around 20. Chance of snow 80 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Highs
in the mid 30s. Chance of snow 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New light snow accumulation possible. Cold with lows
15 to 20. Chance of snow 70 percent.
.SUNDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers likely in the afternoon. New little or no snow
accumulation. Highs in the lower 30s. Chance of snow 60 percent.

$$

WYZ003-012300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Highs in the lower 30s. Southwest winds 10 to 15 mph with gusts
up to 35 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers in the
evening. Breezy with lows in the lower 20s. Southwest winds 15 to
20 mph with gusts up to 45 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Breezy with highs in
the mid 30s. West winds 15 to 20 mph with gusts up to 40 mph,
becoming northwest around 10 mph with gusts up to 25 mph in the
afternoon. Chance of snow 30 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. Light snow accumulation possible. Cold with lows around
20. North winds 10 to 15 mph with gusts up to 25 mph. Chance of
snow 60 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30. Northwest winds around 10 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 15 to 20.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows around 20.
.FRIDAY...Partly cloudy. A chance of snow showers in the
afternoon. Highs around 40. Chance of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 40 percent chance of snow showers. Breezy with
lows in the mid 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 40 percent chance of snow showers. Breezy with highs in
the mid 30s.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Lows around 20. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ004-012300-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Highs around 30. Southeast winds around 10 mph with gusts up to
20 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows around 20. South winds around 10 mph
with gusts up to 20 mph. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the mid 30s. South winds around 10 mph in the
morning.
.TUESDAY NIGHT...Mostly cloudy with snow showers likely. Little
or no snow accumulation. Cold with lows 15 to 19. Northwest winds
10 to 15 mph with gusts up to 25 mph. Chance of snow 60 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30. Northwest winds around 10 mph with gusts up to 20 mph
in the morning.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the lower 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of snow showers after midnight. Cold with
lows 14 to 20. Chance of snow 30 percent.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows around 20.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the mid 30s.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Cold with lows 15 to 20. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ006-012300-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs in the upper 20s.
.TONIGHT...Partly cloudy. Cold with lows around 20.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Highs in the mid 30s.
Chance of snow 30 percent.
.TUESDAY NIGHT...Snow showers likely. Little or no snow
accumulation. Cold with lows around 20. Northwest winds 10 to
15 mph with gusts up to 25 mph. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Highs around 30.
Northwest winds around 10 mph with gusts up to 20 mph in the
morning. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 30s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Cold with
lows 15 to 20.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows around 20. Chance of snow 30 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Highs in the mid
30s.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Cold with lows 14 to 20. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ005-012300-
Southwest Bighorn Basin-
Including the city of Thermopolis
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs around 30.
.TONIGHT...Partly cloudy. Cold with lows 15 to 21.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Highs in the mid 30s.
Chance of snow 30 percent.
.TUESDAY NIGHT...Snow showers likely. Little or no snow
accumulation. Cold with lows around 20. Northwest winds 10 to
15 mph with gusts up to 25 mph. Chance of snow 70 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30. Northwest winds around 10 mph with gusts up to 20 mph
in the morning.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 15 to 20.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of snow
showers in the evening, then partly cloudy with a chance of snow
showers after midnight. Lows in the lower 20s. Chance of snow
30 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of snow showers. A slight chance of rain showers
in the afternoon. Highs around 40. Chance of precipitation
30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of snow showers
in the evening. Cold with lows 15 to 21. Chance of snow
20 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ023-012300-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
847 AM MST Mon Dec 1 2025

.TODAY...Mostly cloudy this morning, then becoming partly cloudy.
Highs in the upper 20s.
.TONIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers after midnight. Snow accumulation
around 1 inch. Cold. Near steady temperature in the lower 20s.
Southeast winds around 10 mph after midnight. Chance of snow
80 percent.
.TUESDAY...Snow showers. New snow accumulation of 1 to 3 inches.
Highs in the lower 30s. Chance of snow 90 percent.
.TUESDAY NIGHT...Cloudy. Snow showers, mainly in the evening. New
light snow accumulation. Cold with lows 14 to 18. Chance of snow
80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy with a slight chance of snow showers
in the afternoon. Highs in the lower 30s. Chance of snow
30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Mostly cloudy. A slight chance of snow showers in the
afternoon. Highs around 30. Chance of snow 20 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Cold with lows 15 to 20.
.FRIDAY...A chance of snow showers in the morning, then snow
showers likely in the afternoon. Light snow accumulation
possible. Highs in the lower 30s. Chance of snow 60 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Lows in the mid 20s. Chance of snow 80 percent.
.SATURDAY...Snow showers. New light snow accumulation. Highs in
the upper 30s. Chance of snow 80 percent.
.SATURDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. New light snow accumulation possible. Lows in the lower
20s. Chance of snow 60 percent.
.SUNDAY...Cloudy with a 50 percent chance of snow showers. New
little or no snow accumulation. Highs in the mid 30s.

$$

WYZ025-012300-
Upper Green River Basin Foothills-
Including the city of Pinedale
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Highs in the mid 20s. Northwest winds 10 to 15 mph with gusts up
to 25 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Snow
accumulation up to 1 inch. Cold with lows 12 to 16. Northwest
winds around 10 mph with gusts up to 25 mph. Chance of snow
60 percent.
.TUESDAY...Mostly cloudy with snow showers likely. Snow
accumulation up to 1 inch. Highs around 30. Northwest winds
around 10 mph. Chance of snow 70 percent.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows 10 to 14.
.WEDNESDAY...Partly cloudy. A slight chance of snow showers in
the morning. Highs around 30. Chance of snow 20 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 5 above.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy with a chance of snow showers in
the evening, then mostly cloudy after midnight. Cold with lows
10 to 15. Chance of snow 30 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs in the lower 30s.
.FRIDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Cold with lows 15 to 20. Chance of
snow 60 percent.
.SATURDAY...Snow showers. New light snow accumulation. Highs in
the mid 30s. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening. Cold with lows 10 to 15. Chance of snow 30 percent.
.SUNDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Highs in the lower 30s. Chance of snow 30 percent.

$$

WYZ026-012300-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
847 AM MST Mon Dec 1 2025

.TODAY...Partly cloudy and breezy. Highs around 30. Northwest
winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows 14 to 18. West winds 10 to 15 mph with
gusts up to 25 mph.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the lower 30s. West winds 10 to 15 mph with
gusts up to 30 mph.
.TUESDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Cold with lows 14 to 18. Northwest winds around 10 mph in the
evening.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 30. West winds around 10 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 10 to 15.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 30 percent chance of snow showers. Cold with
lows around 20.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the upper 30s.
.SATURDAY NIGHT...Partly cloudy. Cold with lows 15 to 20.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ010-012300-
Northeast Johnson County-
Including the city of Buffalo
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs in the lower 30s. Southwest winds
around 10 mph this morning.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. Cold with lows around 20. South winds around 10 mph in
the evening.
.TUESDAY...Mostly cloudy. A chance of snow and rain showers in
the afternoon. Highs in the upper 30s. Northwest winds around
10 mph with gusts up to 20 mph in the afternoon. Chance of
precipitation 30 percent.
.TUESDAY NIGHT...Cloudy with snow showers likely. Little or no
snow accumulation. Cold with lows around 18. Northwest winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 20s. North winds 10 to 15 mph with
gusts up to 25 mph, becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of. Cold with lows around 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow showers. A
slight chance of rain showers after midnight. Lows in the lower
20s. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the lower 30s.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers, mainly
in the evening. Cold with lows 15 to 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ011-012300-
Southeast Johnson County-
Including the city of Kaycee
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs in the mid 30s. Southwest winds
around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. Cold with lows around 20. Southwest
winds 10 to 15 mph with gusts up to 25 mph.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Highs in the upper
30s. Southwest winds around 10 mph with gusts up to 20 mph,
becoming north in the afternoon. Chance of snow 30 percent.
.TUESDAY NIGHT...Snow showers likely. Little or no snow
accumulation. Cold with lows around 18. North winds 10 to 15 mph
with gusts up to 25 mph. Chance of snow 60 percent.
.WEDNESDAY...Cloudy in the morning, then becoming partly cloudy.
Highs in the upper 20s. North winds around 10 mph with gusts up
to 20 mph, becoming southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows around 20.
.FRIDAY...Partly cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of snow showers
after midnight. Cold with lows around 20. Chance of snow
20 percent.
.SATURDAY...Mostly cloudy. A chance of snow showers, mainly in
the morning. Highs in the mid 30s. Chance of snow 30 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers, mainly
in the evening. Cold with lows 15 to 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ027-012300-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
847 AM MST Mon Dec 1 2025

.TODAY...Areas of fog this morning. Partly cloudy. Breezy with
highs in the upper 20s. West winds 15 to 20 mph with gusts up to
30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows around 20. West winds 10 to 15 mph with
gusts up to 30 mph. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 1 inch. Breezy with highs in the mid 30s. West
winds 15 to 20 mph with gusts up to 30 mph. Chance of snow
60 percent.
.TUESDAY NIGHT...Cloudy with a 40 percent chance of snow showers.
Cold with lows around 20. West winds around 10 mph with gusts up
to 20 mph in the evening.
.WEDNESDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. Highs around 30. East winds
around 10 mph, becoming southeast in the afternoon. Chance of
snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 10 above.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of. Cold with lows 15 to 20.
.FRIDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Breezy with highs in the lower 30s. Chance of snow
30 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with lows in the lower 20s.
.SATURDAY...Mostly cloudy with snow showers likely. Little or no
snow accumulation. Breezy with highs in the mid 30s. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening. Breezy, cold with lows around 20. Chance of snow
30 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 30s.

$$

WYZ016-012300-
Upper Wind River Basin-
Including the city of Dubois
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Breezy with highs around 30. Northwest winds 15 to 25 mph with
gusts up to 40 mph.
.TONIGHT...Mostly cloudy in the evening, then partly cloudy with
a chance of snow showers after midnight. Windy. Near steady
temperature in the lower 20s. Northwest winds 20 to 30 mph with
gusts up to 50 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 1 inch. Windy with highs in the mid 30s.
Northwest winds 20 to 30 mph with gusts up to 45 mph, diminishing
to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance
of snow 60 percent.
.TUESDAY NIGHT...Snow showers likely. Light snow accumulation
possible. Cold with lows 14 to 18. Northwest winds around 10 mph
in the evening. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Highs around 30.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear and breezy, cold with lows around
10 above.
.THURSDAY...Partly cloudy and breezy. Highs in the lower 30s.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Breezy, cold with lows around 20.
.FRIDAY...Partly cloudy. A chance of snow showers in the
afternoon. Breezy with highs in the upper 30s. Chance of snow
30 percent.
.FRIDAY NIGHT...Partly cloudy with snow showers likely. Light
snow accumulation possible. Breezy with lows in the mid 20s.
Chance of snow 60 percent.
.SATURDAY...Partly cloudy with snow showers likely. New light
snow accumulation possible. Breezy with highs in the upper 30s.
Chance of snow 60 percent.
.SATURDAY NIGHT...Partly cloudy. Snow showers likely in the
evening. New little or no snow accumulation. Breezy, cold with
lows around 20. Chance of snow 60 percent.
.SUNDAY...Partly cloudy. A chance of snow showers in the
afternoon. Breezy with highs in the mid 30s. Chance of snow
30 percent.

$$

WYZ001-012300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
847 AM MST Mon Dec 1 2025

.TODAY...Mostly cloudy this morning, then becoming partly cloudy.
Cold with highs around 20. Southwest winds 10 to 15 mph with
gusts up to 25 mph.
.TONIGHT...Snow showers. Snow accumulation of 1 to 5 inches.
Breezy, cold with lows 11 to 17. Southwest winds 15 to 20 mph
with gusts up to 40 mph. Chance of snow 90 percent.
.TUESDAY...Snow showers. Storm total snow accumulation of 3 to
5 inches. Highs in the lower 20s. Southwest winds 10 to 15 mph
with gusts up to 30 mph. Chance of snow 90 percent.
.TUESDAY NIGHT...Cloudy with snow showers likely in the evening,
then partly cloudy with a chance of snow showers after midnight.
New little or no snow accumulation. Cold with lows 4 to 10 above.
Chance of snow 60 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the lower 20s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the lower 20s.
.THURSDAY NIGHT...Cloudy with snow showers likely. Light snow
accumulation possible. Cold with lows 10 to 15. Chance of snow
70 percent.
.FRIDAY...Snow showers. New moderate snow accumulation. Highs in
the mid 20s. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. New light snow accumulation. Cold
with lows 16 to 22. Chance of snow 80 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Highs
in the upper 20s. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New light snow accumulation possible. Cold with lows
10 to 20. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers likely in the afternoon. New light snow
accumulation possible. Highs in the mid 20s. Chance of snow
60 percent.

$$

WYZ029-012300-
Flaming Gorge-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny and breezy. Highs in the lower 30s. West
winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
cloudy. A 30 percent chance of snow showers. Lows in the lower
20s. West winds 10 to 15 mph with gusts up to 30 mph.
.TUESDAY...Cloudy with a 30 percent chance of snow showers. Highs
in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.
.TUESDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Lows in the lower 20s. West winds around 10 mph with gusts up to
20 mph, becoming north after midnight.
.WEDNESDAY...Cloudy in the morning, then becoming partly cloudy.
Highs in the upper 20s. Northeast winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows around 20.
.FRIDAY...Mostly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy and breezy. Near steady temperature
around 30.
.SATURDAY...Mostly cloudy and breezy. Highs in the upper 30s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the lower 20s.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ022-012300-
Casper Mountain-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny and breezy. Highs in the lower 20s. West
winds 15 to 20 mph.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a chance of snow showers after midnight. Windy, cold with lows
15 to 21. Southwest winds 15 to 20 mph with gusts up to 40 mph,
increasing to 20 to 30 mph with gusts up to 55 mph after
midnight. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy with a 40 percent chance of snow
showers. Windy with highs in the upper 20s. Southwest winds 20 to
30 mph with gusts up to 50 mph, diminishing to 15 to 20 mph with
gusts up to 35 mph in the afternoon.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 13 to 19. Northwest winds around 10 mph with gusts up to
20 mph, becoming north after midnight. Chance of snow 90 percent.
.WEDNESDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. New little or no snow
accumulation. Highs in the lower 20s. North winds around 10 mph,
becoming west in the afternoon. Chance of snow 50 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above.
.THURSDAY...Mostly sunny. Highs in the lower 20s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Cold with
lows 10 to 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 20s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Breezy with lows in the lower 20s.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the lower 30s.
.SATURDAY NIGHT...Partly cloudy with a chance of snow showers in
the evening, then mostly cloudy with a slight chance of snow
showers after midnight. Cold with lows 14 to 20. Chance of snow
40 percent.
.SUNDAY...Partly cloudy. Highs around 30.

$$

WYZ002-012300-
Absaroka Mountains-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Breezy with highs in the lower 20s. West winds 15 to 20 mph.
Gusts up to 40 mph this afternoon.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Snow showers. Snow accumulation up to 4 inches. Breezy,
cold. Near steady temperature around 17. West winds 15 to 25 mph
with gusts up to 50 mph. Chance of snow 90 percent.
.TUESDAY...Snow showers. New snow accumulation up to 4 inches.
Breezy with highs in the mid 20s. West winds 15 to 25 mph. Gusts
up to 40 mph in the morning. Chance of snow 80 percent.
.TUESDAY NIGHT...Mostly cloudy with snow showers likely. New
light snow accumulation possible. Cold with lows 5 to 13 above.
Northwest winds around 10 mph. Chance of snow 70 percent.
.WEDNESDAY...Partly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Cold with highs
around 20. West winds around 10 mph. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy, cold with lows 5 to 15 above.
.THURSDAY...Partly cloudy. A slight chance of snow showers in the
afternoon. Breezy with highs in the lower 20s. Chance of snow
20 percent.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 40 percent chance of snow showers. Breezy, cold.
Near steady temperature around 15.
.FRIDAY...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 mid 20s. Chance
of snow 60 percent.
.FRIDAY NIGHT...Snow showers likely. New light snow accumulation
possible. Windy, cold with lows around 20. Chance of snow
70 percent.
.SATURDAY...Snow showers. New light snow accumulation. Breezy
with highs in the mid 20s. 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.

$$

WYZ007-012300-
Owl Creek and Bridger Mountains-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny. Highs in the upper 20s. Southwest winds
around 10 mph.
.TONIGHT...Partly cloudy and cold. Near steady temperature in the
lower 20s. South winds around 10 mph in the evening.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
a chance of snow showers in the afternoon. Highs in the lower
30s. Southwest winds around 10 mph, becoming northeast in the
afternoon. Chance of snow 30 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Breezy,
cold with lows 16 to 22. North winds 15 to 20 mph. Chance of snow
80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Highs in the mid
20s. North winds 10 to 15 mph with gusts up to 25 mph, becoming
west in the afternoon. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 20s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 15 to 21.
.FRIDAY...Partly cloudy. Highs in the lower 30s.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 30 percent chance of snow showers. Breezy with
lows in the lower 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the mid 30s.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Cold with lows around 20. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the lower 30s.

$$

WYZ008-012300-
Bighorn Mountains West-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Highs in the lower 20s. West winds 10 to 15 mph with gusts up to
25 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Snow
accumulation up to 2 inches. Cold with lows 13 to 21. Northwest
winds 10 to 15 mph with gusts up to 35 mph. Chance of snow
60 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation around 5 inches. Highs in the upper 20s. West winds
10 to 15 mph. Gusts up to 30 mph in the morning. Chance of snow
70 percent.
.TUESDAY NIGHT...Snow showers. New light snow accumulation. Cold
with lows 7 to 19 above. Northwest winds around 10 mph with gusts
up to 25 mph. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Cold with highs
13 to 25. West winds around 10 mph with gusts up to 20 mph.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 5 to 15 above.
.THURSDAY...Partly cloudy. Highs in the mid 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 40 percent chance of snow showers. Cold. Near
steady temperature around 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 40 percent chance of snow showers. Highs in the upper
20s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows around 20.
.SATURDAY...Mostly cloudy with snow showers likely. Light snow
accumulation possible. Highs in the upper 20s. Chance of snow
60 percent.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows 11 to 21.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ009-012300-
Bighorn Mountains Southeast-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Breezy with highs in the mid 20s. West winds 15 to 20 mph with
gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy, cold with lows 15 to 21. West winds 15 to
20 mph. Gusts up to 35 mph, increasing to 45 mph after midnight.
Chance of snow 30 percent.
.TUESDAY...Partly cloudy with a slight chance of snow showers in
the morning, then mostly cloudy with snow showers likely in the
afternoon. Snow accumulation up to 2 inches. Breezy with highs in
the upper 20s. West winds 15 to 20 mph. Gusts up to 35 mph in the
morning. Chance of snow 60 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 8 to 18 above. Northwest winds around 10 mph with gusts up
to 25 mph. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Cold with highs
16 to 24. West winds around 10 mph with gusts up to 25 mph.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear and breezy, cold with lows 5 to
15 above.
.THURSDAY...Partly cloudy and breezy. Highs in the upper 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a chance of snow showers after midnight. Breezy,
cold. Near steady temperature around 20. Chance of snow
30 percent.
.FRIDAY...Partly cloudy with a 30 percent chance of snow showers.
Breezy with highs around 30.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Breezy, cold
with lows around 20.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy with a chance of snow showers in
the evening, then mostly cloudy with a slight chance of snow
showers after midnight. Cold with lows 15 to 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ012-012300-
Teton and Gros Ventre Mountains-
847 AM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST TUESDAY...

.TODAY...Partly cloudy. Cold with highs 14 to 22. West winds
around 10 mph.
.TONIGHT...Snow showers. Snow accumulation around 5 inches. Cold.
Near steady temperature around 15. West winds 10 to 15 mph with
gusts up to 35 mph. Chance of snow 90 percent.
.TUESDAY...Snow showers. Storm total snow accumulation of 3 to
5 inches. Highs in the lower 20s. Southwest winds around 10 mph
with gusts up to 25 mph. Chance of snow 90 percent.
.TUESDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New little or no snow accumulation. Cold with lows
6 to 12 above. North winds around 10 mph after midnight. Chance
of snow 60 percent.
.WEDNESDAY...Partly cloudy with a chance of snow showers in the
morning, then mostly sunny in the afternoon. Highs in the lower
20s. Northeast winds around 10 mph in the morning. Chance of snow
30 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows zero to 10 above zero.
.THURSDAY...Mostly cloudy with a 30 percent chance of snow
showers. Cold with highs around 20.
.THURSDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Cold. Near steady temperature 10 to
15. Chance of snow 60 percent.
.FRIDAY...Snow showers likely. Snow may be heavy at times in the
afternoon. New moderate snow accumulation possible. Highs in the
mid 20s. Chance of snow 70 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times in the
evening. New heavy snow accumulation. Cold with lows 16 to 22.
Chance of snow 80 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Highs
in the mid 20s. Chance of snow 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New moderate snow accumulation possible. Cold with
lows 15 to 20. Chance of snow 70 percent.
.SUNDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers likely in the afternoon. New light snow
accumulation possible. Highs in the mid 20s. Chance of snow
60 percent.

$$

WYZ014-012300-
Wind River Mountains West-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Breezy with highs in the lower 20s. Northwest winds 15 to 20 mph
with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. Snow showers likely, mainly in the
evening. Snow accumulation up to 1 inch. Breezy, cold with lows
8 to 14 above. West winds 15 to 20 mph with gusts up to 45 mph.
Chance of snow 60 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 2 inches. Breezy with highs in the lower 20s.
West winds 15 to 20 mph with gusts up to 40 mph. Chance of snow
60 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 6 to 14 above. Northwest winds around 10 mph, becoming north
after midnight. Gusts up to 25 mph. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the lower
20s. North winds around 10 mph, becoming west in the afternoon.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Cold with lows zero to 10 above
zero.
.THURSDAY...Partly cloudy. Highs in the lower 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Cold with
lows 10 to 15.
.FRIDAY...Mostly cloudy with a 40 percent chance of snow showers.
Highs in the mid 20s.
.FRIDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Breezy, cold with lows 15 to 20.
Chance of snow 60 percent.
.SATURDAY...Snow showers. New light snow accumulation. Breezy
with highs in the mid 20s. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely in the
evening. New little or no snow accumulation. Breezy, cold with
lows 10 to 15. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the mid 20s.

$$

WYZ015-012300-
Wind River Mountains East-
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Breezy with highs in the mid 20s. West winds 15 to 20 mph with
gusts up to 35 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. A 30 percent chance of snow showers. Windy, cold. Near
steady temperature around 18. West winds 20 to 30 mph with gusts
up to 55 mph.
.TUESDAY...Partly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 2 inches. Windy with highs in the mid 20s.
West winds 20 to 30 mph with gusts up to 45 mph, diminishing to
15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of
snow 70 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 5 to 15 above. North winds 10 to 15 mph with gusts up to
25 mph. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Cold with highs
12 to 24. North winds 10 to 15 mph with gusts up to 25 mph,
becoming west in the afternoon. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear and brisk, cold with lows 5 to
15 above.
.THURSDAY...Partly cloudy and breezy. Highs in the lower 20s.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Breezy, cold. Near steady temperature 10 to 15.
.FRIDAY...Partly cloudy with a 40 percent chance of snow showers.
Breezy with highs in the mid 20s.
.FRIDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Windy, cold with lows 13 to 23.
Chance of snow 60 percent.
.SATURDAY...Snow showers likely. New light snow accumulation
possible. Windy with highs in the mid 20s. Chance of snow
70 percent.
.SATURDAY NIGHT...Partly cloudy. Snow showers likely, mainly in
the evening. New light snow accumulation possible. 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.

$$

WYZ019-012300-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny and breezy. Highs in the upper 20s.
Southwest winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy, cold with lows 16 to 22. Southwest winds 20 to
25 mph with gusts up to 45 mph.
.TUESDAY...Mostly cloudy with a 40 percent chance of snow
showers. Breezy with highs in the lower 30s. Southwest winds
15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph in the
afternoon.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 15 to 21. Northwest winds around 10 mph, becoming north
after midnight. Chance of snow 90 percent.
.WEDNESDAY...Cloudy with a chance of snow showers in the morning,
then partly cloudy in the afternoon. Highs in the mid 20s. North
winds 10 to 15 mph with gusts up to 25 mph. Chance of snow
30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows around 10 above.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 20s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Cold with
lows 10 to 20.
.FRIDAY...Partly cloudy. Highs in the lower 30s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Breezy. Near steady temperature in the mid 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the mid 30s.
.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 and breezy. Highs in the lower 30s.

$$

WYZ024-012300-
Salt River and Wyoming Ranges-
847 AM MST Mon Dec 1 2025

.TODAY...Partly cloudy. Highs in the lower 20s. West winds 10 to
15 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers after midnight. Snow accumulation up
to 2 inches. Cold. Near steady temperature around 18. West winds
10 to 15 mph. Gusts up to 35 mph, increasing to 45 mph after
midnight. Chance of snow 80 percent.
.TUESDAY...Snow showers. Storm total snow accumulation of 1 to
3 inches. Highs in the mid 20s. West winds 10 to 15 mph with
gusts up to 35 mph. Chance of snow 90 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. New little or no snow accumulation. Cold with lows 12 to
18. Northwest winds around 10 mph with gusts up to 20 mph,
becoming north after midnight. Chance of snow 60 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow showers in the
morning, then partly cloudy in the afternoon. Highs in the mid
20s. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Partly cloudy. A slight chance of. Highs in the lower
20s.
.THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow
showers. Little or no snow accumulation. Cold with lows 10 to 20.
.FRIDAY...Mostly cloudy. A chance of snow showers in the morning,
then snow showers likely in the afternoon. Light snow
accumulation possible. Highs in the upper 20s. Chance of snow
60 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy with lows in the lower 20s. Chance of snow 80 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Breezy
with highs in the upper 20s. Chance of snow 90 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New light snow accumulation possible. Breezy, cold
with lows 15 to 21. Chance of snow 70 percent.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs in the upper 20s.

$$

WYZ030-012300-
East Sweetwater County-
Including the city of Wamsutter
847 AM MST Mon Dec 1 2025

.TODAY...Mostly sunny and breezy. Highs around 30. West winds
15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
a chance of snow showers after midnight. Breezy, cold with lows
around 19. West winds 15 to 20 mph with gusts up to 35 mph.
Chance of snow 40 percent.
.TUESDAY...Cloudy with a 40 percent chance of snow showers.
Breezy with highs in the lower 30s. Southwest winds 15 to 20 mph
with gusts up to 35 mph.
.TUESDAY NIGHT...Cloudy with snow showers. Little or no snow
accumulation. Cold with lows around 19. West winds around 10 mph,
becoming north after midnight. Chance of snow 80 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 20s. Northeast winds 10 to 15 mph with
gusts up to 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 5 to 10 above.
.THURSDAY...Partly cloudy and breezy. Highs in the upper 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy, cold with lows 15 to 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs around 30.
.FRIDAY NIGHT...Mostly cloudy and breezy. Lows in the lower 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the mid 30s.
.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 and breezy. Highs in the lower 30s.

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