877
FPUS55 KRIW 011903
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1202 PM MST Mon Dec 1 2025

WYZ020-012300-
Natrona County Lower Elevations-
Including the city of Casper
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs around 30. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Breezy and not as
cool with lows in the lower 20s. Southwest winds 15 to 25 mph.
Gusts up to 40 mph after midnight.
.TUESDAY...Mostly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Breezy with highs in the mid 30s.
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 around 16. 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 10 to 15.
.THURSDAY...Partly cloudy. Highs in the lower 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows around 20.
.FRIDAY...Partly cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 20 percent chance of snow showers. Breezy with
lows in the lower 20s.
.SATURDAY...Mostly cloudy. A slight chance of snow showers in the
morning, then a chance of snow and rain showers in the afternoon.
Breezy with highs around 40. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy with a slight chance of snow
showers after midnight. Cold with lows around 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ017-012300-
Wind River Basin-
Including the cities of Riverton and Shoshoni
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs around 30. Southwest winds
around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Lows around 20.
Southwest winds 10 to 15 mph with gusts up to 35 mph.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Highs in the mid 30s. Southwest
winds 10 to 15 mph with gusts up to 30 mph, becoming north with
gusts up to 20 mph in the afternoon. Chance of snow 60 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows around 18. North winds around 10 mph. Chance of snow
80 percent.
.WEDNESDAY...Mostly cloudy in the morning, then clearing. Highs
around 30. North winds around 10 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 upper 30s.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows in the lower 20s.
.SATURDAY...Mostly cloudy with a chance of snow and rain showers.
Highs around 40. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers with a
slight chance of rain showers in the evening. Cold with lows
around 20. Chance of precipitation 30 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ018-012300-
Lander Foothills-
Including the city of Lander
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs in the lower 30s. South
winds around 10 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 20s. South winds
around 10 mph.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Highs in the mid 30s. South winds
around 10 mph in the morning. Chance of snow 60 percent.
.TUESDAY NIGHT...Snow showers likely. Light snow accumulation
possible. Cold with lows around 18. North winds around 10 mph
after midnight. Chance of snow 70 percent.
.WEDNESDAY...Mostly cloudy in the morning, then clearing. Highs
in the upper 20s.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows around 20.
.FRIDAY...Partly cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy with a chance of snow showers. A
chance of rain showers after midnight. Breezy with lows in the
mid 20s. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of snow and rain showers. Highs in the lower
40s. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of rain and snow
showers in the evening. Cold with lows around 20. Chance of
precipitation 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
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs in the lower
30s. West winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A slight chance of snow showers after
midnight. Breezy with lows in the mid 20s. West winds 15 to
20 mph with gusts up to 30 mph. Chance of snow 20 percent.
.TUESDAY...Mostly cloudy and breezy. Highs in the mid 30s. West
winds 15 to 20 mph with gusts up to 30 mph.
.TUESDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows around 19. West winds around 10 mph with
gusts up to 20 mph, becoming north after midnight. Chance of snow
30 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 30. Northeast winds around 10 mph with gusts
up to 20 mph.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows around 10 above.
.THURSDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows around 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of snow showers
after midnight. Breezy with lows in the upper 20s. Chance of snow
20 percent.
.SATURDAY...Mostly cloudy. A chance of snow showers in the
morning. Breezy with highs around 40. Chance of snow 30 percent.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower
20s.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ013-012300-
Jackson Hole-
Including the city of Jackson
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Highs in the mid 20s. Southwest
winds around 10 mph.
.TONIGHT...Cloudy with snow showers likely. Snow accumulation up
to 2 inches. Cold with lows 15 to 21. South winds around 10 mph.
Chance of snow 60 percent.
.TUESDAY...Snow showers. Snow accumulation around 5 inches. Highs
in the upper 20s. South winds around 10 mph. Chance of snow
80 percent.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy after midnight. New little or no
snow accumulation. Cold with lows around 10 above. Chance of snow
50 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
mostly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Mostly cloudy with a 40 percent chance of snow
showers. Highs in the upper 20s.
.THURSDAY NIGHT...Snow showers likely. Light snow accumulation
possible. Cold with lows 15 to 20. Chance of snow 70 percent.
.FRIDAY...Snow showers. New moderate snow accumulation. Highs in
the lower 30s. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Lows in the mid 20s. 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...A chance of snow showers in the morning, then snow
showers likely in the afternoon. New light snow accumulation
possible. Highs in the mid 30s. Chance of snow 60 percent.

$$

WYZ003-012300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the lower
30s. West winds 15 to 20 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
25 mph with gusts up to 40 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
snow showers likely in the afternoon. Little or no snow
accumulation. Breezy with highs in the mid 30s. West winds 15 to
20 mph, becoming north 10 to 15 mph in the afternoon. Gusts up to
35 mph. Chance of snow 60 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. Light snow accumulation possible. Cold with lows 15 to
19. 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. West winds around 10 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy, cold with lows 15 to 20.
.THURSDAY...Partly cloudy and breezy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy with a slight chance of snow
showers in the evening, then mostly cloudy with a chance of snow
showers after midnight. Lows in the lower 20s. Chance of snow
30 percent.
.FRIDAY...Mostly cloudy in the morning, then partly cloudy with a
chance of snow showers in the afternoon. Highs in the upper 30s.
Chance of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Breezy. Near steady temperature around 30.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of snow showers. A chance of rain showers in the
afternoon. Highs around 40. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Lows in the lower 20s. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ004-012300-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Highs around 30. Southeast winds
around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. Cold with lows 16 to 22. South winds
around 10 mph with gusts up to 20 mph.
.TUESDAY...Mostly cloudy. Snow showers likely in the afternoon.
Snow accumulation up to 1 inch. Highs in the mid 30s. Southeast
winds around 10 mph, becoming northeast in the afternoon. Chance
of snow 60 percent.
.TUESDAY NIGHT...Cloudy with snow showers likely in the evening,
then partly cloudy with a chance of snow showers after midnight.
Little or no snow accumulation. Cold with lows around 17.
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
in the upper 20s. 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 15 to 21. Chance of snow 30 percent.
.FRIDAY...Mostly cloudy in the morning, then partly cloudy with a
chance of snow showers in the afternoon. Highs in the mid 30s.
Chance of snow 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows around 20.
.SATURDAY...Mostly cloudy with a chance of snow showers. A chance
of rain showers in the afternoon. Highs in the mid 30s. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers
with a slight chance of rain showers in the evening, then partly
cloudy after midnight. Cold with lows 14 to 20. Chance of
precipitation 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ006-012300-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs in the upper 20s.
.TONIGHT...Mostly cloudy. Cold with lows 16 to 22.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Highs in the mid 30s. Chance of
snow 60 percent.
.TUESDAY NIGHT...Cloudy with 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 in the morning, then clearing. Highs
in the upper 20s. West winds around 10 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 14 to 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows in the lower 20s.
.SATURDAY...Mostly cloudy with a chance of snow showers. A chance
of rain showers in the afternoon. Highs in the upper 30s. Chance
of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow and rain
showers in the evening. Cold with lows 14 to 20. Chance of
precipitation 30 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ005-012300-
Southwest Bighorn Basin-
Including the city of Thermopolis
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs around 30.
.TONIGHT...Mostly cloudy. Cold with lows 15 to 21.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Highs in the mid 30s. Chance of
snow 60 percent.
.TUESDAY NIGHT...Cloudy with 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 in the morning, then clearing. Highs
around 30. Northwest winds around 10 mph in the morning.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 14 to 20.
.FRIDAY...Partly cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Lows in the
lower 20s.
.SATURDAY...Mostly cloudy with a chance of snow and rain showers.
Highs around 40. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers with a
slight chance of rain showers in the evening. Cold with lows
16 to 22. Chance of precipitation 30 percent.
.SUNDAY...Partly cloudy. Highs around 40.

$$

WYZ023-012300-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Highs in the upper 20s.
.TONIGHT...Cloudy with snow showers likely. Snow accumulation up
to 1 inch. Lows around 20. Chance of snow 60 percent.
.TUESDAY...Snow showers. Snow accumulation of 1 to 4 inches.
Highs around 30. Chance of snow 80 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. New light snow accumulation possible. Cold with lows
around 15. 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
30s. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows around 10 above.
.THURSDAY...Cloudy. A slight chance of snow showers in the
afternoon. Highs around 30. Chance of snow 20 percent.
.THURSDAY NIGHT...Cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Light snow
accumulation possible. Cold with lows around 20. Chance of snow
60 percent.
.FRIDAY...Snow showers likely. New moderate snow accumulation
possible. Highs in the mid 30s. Chance of snow 70 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Lows in the mid 20s. Chance of snow 80 percent.
.SATURDAY...Snow showers. Rain showers in the afternoon. New
light snow accumulation. Highs in the upper 30s. Chance of
precipitation 90 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...A chance of snow showers in the morning, then snow
showers likely in the afternoon. New little or no snow
accumulation. Highs in the upper 30s. Chance of snow 60 percent.

$$

WYZ025-012300-
Upper Green River Basin Foothills-
Including the city of Pinedale
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Highs in the mid 20s. Northwest
winds 10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold. Near steady temperature around 19. Northwest winds
around 10 mph.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Snow
accumulation up to 1 inch. Highs around 30. Northwest winds
around 10 mph. Chance of snow 60 percent.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows around 10 above.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 5 to 10 above.
.THURSDAY...Partly cloudy. Highs around 30.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 40 percent chance of snow showers. Cold with
lows 10 to 15.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs in the lower 30s.
.FRIDAY NIGHT...Snow showers likely. Moderate snow accumulation
possible. Cold with lows around 20. Chance of snow 70 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 with a 30 percent chance of snow showers.
Highs in the lower 30s.

$$

WYZ026-012300-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs around 30.
Northwest winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Lows around 20.
Northwest winds 10 to 15 mph with gusts up to 25 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 30s. West winds 10 to 15 mph with
gusts up to 25 mph.
.TUESDAY NIGHT...Mostly cloudy. A chance of snow showers after
midnight. Cold with lows 11 to 17. Northwest winds around 10 mph
in the evening. Chance of snow 30 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 30s.
.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...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with lows around 20.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with highs around 40.
.SATURDAY NIGHT...Partly cloudy and breezy, cold with lows 14 to
20.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ010-012300-
Northeast Johnson County-
Including the city of Buffalo
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs in the lower 30s.
.TONIGHT...Mostly cloudy. A slight chance of. Lows in the lower
20s. South winds around 10 mph in the evening.
.TUESDAY...Mostly cloudy. Snow showers likely in the afternoon.
Snow accumulation up to 1 inch. Highs in the mid 30s. West winds
around 10 mph, becoming northwest with gusts up to 20 mph in the
afternoon. Chance of snow 60 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. Little or no snow accumulation. Cold with lows around
16. North 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 mid 20s. North winds 10 to 15 mph with gusts
up to 25 mph, becoming southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 30s.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 20s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows in the lower 20s.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy with a slight chance of snow
showers after midnight. Cold with lows around 20. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ011-012300-
Southeast Johnson County-
Including the city of Kaycee
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs in the mid 30s. Southwest
winds around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Lows around 20.
Southwest winds 10 to 15 mph with gusts up to 25 mph.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Highs in the mid 30s. Southwest winds around 10 mph
with gusts up to 25 mph, becoming north in the afternoon. Chance
of snow 40 percent.
.TUESDAY NIGHT...Cloudy. A chance of snow showers in the evening,
then snow showers likely after midnight. Little or no snow
accumulation. Cold with lows around 16. 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 in the morning.
.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...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy. A slight chance of snow showers in
the evening, then a chance of snow showers after midnight. Lows
in the lower 20s. Chance of snow 30 percent.
.SATURDAY...Mostly cloudy with a chance of snow showers. A slight
chance of rain showers in the afternoon. Highs in the upper 30s.
Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly 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 around 40.

$$

WYZ027-012300-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the upper
20s. West winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. Near steady temperature in the mid 20s.
West winds 10 to 15 mph with gusts up to 25 mph.
.TUESDAY...Mostly cloudy in the morning, then partly cloudy with
a chance of snow showers in the afternoon. Breezy with highs
around 30. West winds 15 to 20 mph with gusts up to 35 mph.
Chance of snow 30 percent.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Cold with lows around 18. West winds around 10 mph with
gusts up to 20 mph, becoming north after midnight.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 30. East winds around 10 mph, becoming south
in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 10 above.
.THURSDAY...Partly cloudy and breezy. 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 with a 30 percent chance of snow showers.
Breezy with highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Breezy. Near steady temperature in the upper 20s.
.SATURDAY...Mostly cloudy with snow showers likely. Little or no
snow accumulation. Breezy with highs around 40. Chance of snow
70 percent.
.SATURDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening. Breezy with lows in the lower 20s. Chance of snow
30 percent.
.SUNDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Highs in the upper 30s. Chance of snow 30 percent.

$$

WYZ016-012300-
Upper Wind River Basin-
Including the city of Dubois
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs around 30.
Northwest winds 15 to 25 mph with gusts up to 40 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Windy. Near steady temperature in the mid 20s. Northwest
winds 20 to 30 mph with gusts up to 50 mph.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Little or no snow accumulation. Windy with highs in the lower
30s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance
of snow 60 percent.
.TUESDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. Light snow accumulation possible. Cold with lows 13 to
17. Northwest winds around 10 mph in the evening. Chance of snow
60 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 30.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy, cold with lows 10 to 15.
.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 with a 40 percent chance of snow showers.
Breezy with highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy with snow showers likely. Light
snow accumulation possible. Breezy with lows in the mid 20s.
Chance of snow 70 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Snow showers likely. New light snow accumulation
possible. Breezy with highs in the upper 30s. Chance of snow
70 percent.
.SATURDAY NIGHT...Partly cloudy. Snow showers likely, mainly in
the evening. New little or no snow accumulation. Breezy, cold
with lows around 20. Chance of snow 60 percent.
.SUNDAY...Partly cloudy with a 30 percent chance of snow showers.
Breezy with highs in the mid 30s.

$$

WYZ001-012300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Cold with highs 16 to 22.
Southwest winds 10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Cloudy with snow showers. Snow accumulation around
5 inches. Cold with lows 12 to 18. Southwest winds 10 to 15 mph
with gusts up to 30 mph. Chance of snow 80 percent.
.TUESDAY...Snow showers likely. Storm total snow accumulation of
2 to 4 inches possible. Highs in the lower 20s. Southwest winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 60 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 3 to 9 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...Cloudy. A chance of snow showers in the morning, then
snow showers likely in the afternoon. Little or no snow
accumulation. Highs in the lower 20s. Chance of snow 60 percent.
.THURSDAY NIGHT...Snow showers. Light snow accumulation. Cold.
Near steady temperature 15 to 20. Chance of snow 80 percent.
.FRIDAY...Snow showers. New moderate snow accumulation. Highs in
the mid 20s. Chance of snow 80 percent.
.FRIDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy, cold. Near steady temperature in the lower 20s. 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 little or no snow accumulation. 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. Light snow
accumulation possible. Highs in the upper 20s. Chance of snow
70 percent.

$$

WYZ029-012300-
Flaming Gorge-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs in the lower
30s. West winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Lows in the mid 20s. West winds 10 to 15 mph with gusts
up to 25 mph. Chance of snow 30 percent.
.TUESDAY...Cloudy. A slight chance of. Breezy with highs in the
lower 30s. West winds 15 to 20 mph with gusts up to 30 mph.
.TUESDAY NIGHT...Cloudy. A slight chance of snow showers in the
evening, then a chance of snow showers after midnight. Lows
around 20. West winds around 10 mph with gusts up to 20 mph,
becoming north after midnight. Chance of snow 30 percent.
.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 in the morning, then clearing. Breezy
with highs in the lower 30s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 20s.
.FRIDAY...Mostly cloudy and breezy. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy and breezy. Near steady temperature
in the lower 30s.
.SATURDAY...Mostly cloudy. A slight chance of snow and rain
showers in the morning. Breezy with highs in the lower 40s.
Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Breezy with lows in the mid 20s.
.SUNDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ022-012300-
Casper Mountain-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs in the mid 20s.
Southwest 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. Windy, cold with lows
around 20. Southwest winds 20 to 30 mph. Gusts up to 45 mph,
increasing to 55 mph after midnight. Chance of snow 30 percent.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
snow showers in the afternoon. Little or no snow accumulation.
Windy with highs in the upper 20s. Southwest winds 20 to 30 mph.
Gusts up to 50 mph in the morning. Chance of snow 80 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 11 to 17. 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. New little or no snow
accumulation. Highs in the lower 20s. North winds around 10 mph
in the morning. Chance of snow 50 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 5 to 15 above.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs in the mid 20s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of snow showers
after midnight. Breezy, cold with lows 14 to 20. Chance of snow
20 percent.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the upper 20s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Breezy. Near steady temperature in the mid 20s.
.SATURDAY...Mostly cloudy with a 40 percent chance of snow
showers. Breezy with highs in the lower 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A 40 percent chance of snow showers. Cold with
lows 14 to 20.
.SUNDAY...Partly cloudy. Highs in the lower 30s.

$$

WYZ002-012300-
Absaroka Mountains-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the lower
20s. West winds 15 to 20 mph with gusts up to 40 mph.
.TONIGHT...Mostly cloudy with snow showers likely. Snow
accumulation up to 4 inches. Breezy, cold with lows 13 to 21.
West winds 20 to 25 mph with gusts up to 45 mph. Chance of snow
70 percent.
.TUESDAY...Partly cloudy with a chance of snow showers in the
morning, then mostly cloudy with snow showers likely in the
afternoon. Snow accumulation up to 6 inches. Breezy with highs in
the lower 20s. West winds 15 to 25 mph. Gusts up to 45 mph,
decreasing to 35 mph in the afternoon. Chance of snow 60 percent.
.TUESDAY NIGHT...Mostly cloudy with snow showers likely. New
light snow accumulation possible. Cold with lows 4 to 12 above.
Northwest winds around 10 mph with gusts up to 20 mph. Chance of
snow 60 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 chance of snow showers in the
afternoon. Breezy with highs in the lower 20s. Chance of snow
30 percent.
.THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow
showers. Little or no snow accumulation. Breezy, cold. Near
steady temperature 15 to 20.
.FRIDAY...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
70 percent.
.FRIDAY NIGHT...Snow showers likely. New moderate snow
accumulation possible. Windy. Near steady temperature in the
lower 20s. Chance of snow 70 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Windy
with highs in the upper 20s. Chance of snow 80 percent.
.SATURDAY NIGHT...Mostly cloudy with snow showers likely in the
evening, then partly cloudy with a chance of snow showers after
midnight. 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.

$$

WYZ007-012300-
Owl Creek and Bridger Mountains-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny. Highs in the upper 20s. Southwest
winds around 10 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Near steady
temperature in the lower 20s. Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Snow showers likely in the afternoon.
Snow accumulation up to 1 inch. Highs in the lower 30s. Southwest
winds around 10 mph, becoming northeast in the afternoon. Chance
of snow 60 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Breezy,
cold with lows 15 to 21. North winds 15 to 20 mph with gusts up
to 30 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. Northwest winds 10 to 15 mph with gusts up to 25 mph,
becoming southwest in the afternoon. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.THURSDAY...Partly cloudy. Highs in the upper 20s.
.THURSDAY NIGHT...Partly cloudy. Cold with lows 16 to 22.
.FRIDAY...Partly cloudy. A slight chance of. Highs in the lower
30s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Breezy with
lows in the mid 20s.
.SATURDAY...Mostly cloudy with 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. Cold with lows around 20. Chance of snow 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 30s.

$$

WYZ008-012300-
Bighorn Mountains West-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...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 after
midnight. Cold with lows 15 to 23. Northwest winds 10 to 15 mph
with gusts up to 25 mph. Chance of snow 30 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
morning, then snow showers in the afternoon. Snow accumulation up
to 6 inches. Highs in the upper 20s. Northwest winds 10 to 15 mph
with gusts up to 25 mph. Chance of snow 80 percent.
.TUESDAY NIGHT...Snow showers. New light snow accumulation. Cold
with lows 6 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
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. Near steady temperature 10 to 15.
.THURSDAY...Partly cloudy. Highs in the mid 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Cold with
lows 12 to 22.
.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. A chance of snow showers in the
evening, then snow showers likely after midnight. Light snow
accumulation possible. Cold. Near steady temperature in the mid
20s. Chance of snow 60 percent.
.SATURDAY...Mostly cloudy with snow showers likely. New light
snow accumulation possible. Highs in the upper 20s. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy with a slight chance of snow
showers after midnight. Cold with lows 12 to 22. Chance of snow
40 percent.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ009-012300-
Bighorn Mountains Southeast-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. 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 with lows in the lower 20s. West winds 15 to
20 mph with gusts up to 35 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy. Snow showers in the afternoon. Snow
accumulation up to 1 inch. Breezy with highs in the upper 20s.
Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of
snow 80 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 8 to 16 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 20 mph.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy, cold with lows 10 to 15.
.THURSDAY...Partly cloudy and breezy. Highs in the upper 20s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Breezy, cold.
Near steady temperature around 20.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A 30 percent chance of snow showers. Breezy with highs in
the upper 20s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 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 around 30.
.SATURDAY NIGHT...Mostly cloudy with a chance of snow showers in
the evening, then partly cloudy with a slight chance of snow
showers after midnight. Cold with lows 13 to 21. Chance of snow
30 percent.
.SUNDAY...Partly cloudy. Highs in the lower 30s.

$$

WYZ012-012300-
Teton and Gros Ventre Mountains-
1202 PM MST Mon Dec 1 2025

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

.THIS AFTERNOON...Partly cloudy. Cold with highs 14 to 22. West
winds around 10 mph with gusts up to 20 mph.
.TONIGHT...Snow showers. Snow accumulation around 5 inches. Cold
with lows 9 to 17 above. West winds 10 to 15 mph with gusts up to
25 mph. Chance of snow 80 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 20 mph. Chance of snow 80 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. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Little or no
snow accumulation. Cold with highs around 20. Chance of snow
60 percent.
.THURSDAY NIGHT...Snow showers. Light snow accumulation. Cold.
Near steady temperature around 15. Chance of snow 80 percent.
.FRIDAY...Snow showers likely in the morning, then snow showers
in the afternoon. Snow may be heavy at times in the afternoon.
New heavy snow accumulation. Highs in the mid 20s. Chance of snow
80 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times in the
evening. New heavy snow accumulation. Breezy. Near steady
temperature in the mid 20s. Chance of snow 80 percent.
.SATURDAY...Snow showers. New heavy 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. Cold with lows
15 to 20. Chance of snow 70 percent.
.SUNDAY...Snow showers likely. New light snow accumulation
possible. Highs in the mid 20s. Chance of snow 60 percent.

$$

WYZ014-012300-
Wind River Mountains West-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the lower
20s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy, cold. Near steady temperature around 15. West
winds 15 to 20 mph with gusts up to 40 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 3 inches. Breezy with highs in the lower 20s.
West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow
60 percent.
.TUESDAY NIGHT...Mostly cloudy with snow showers likely. Light
snow accumulation possible. Cold with lows 3 to 13 above. North
winds around 10 mph. Chance of snow 60 percent.
.WEDNESDAY...Partly cloudy with a 30 percent chance of snow
showers. Highs in the lower 20s. North winds around 10 mph with
gusts up to 20 mph, becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows zero to 10 above zero.
.THURSDAY...Partly cloudy and breezy, cold with highs around 20.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A 30 percent chance of snow showers. Breezy, cold
with lows 5 to 15 above.
.FRIDAY...Mostly cloudy with a 50 percent chance of snow showers.
Light snow accumulation possible. Breezy with highs in the mid
20s.
.FRIDAY NIGHT...Mostly cloudy with snow showers likely. New
moderate snow accumulation possible. Breezy, cold. Near steady
temperature in the lower 20s. 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 10 to 15. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy with a 40 percent chance of snow showers.
Breezy with highs in the mid 20s.

$$

WYZ015-012300-
Wind River Mountains East-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy and breezy. Highs in the mid 20s.
West winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Windy, cold. Near steady temperature around 19. 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. Gusts up to 45 mph in the morning.
Chance of snow 60 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows 4 to 14 above. Northwest winds around 10 mph, becoming north
after midnight. Chance of snow 80 percent.
.WEDNESDAY...Partly cloudy with a 30 percent chance of snow
showers. Cold with highs 13 to 25. Northwest winds around 10 mph
with gusts up to 20 mph, becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Brisk, cold with lows 5 to 15 above.
.THURSDAY...Partly cloudy. A slight chance of. Breezy with highs
in the lower 20s.
.THURSDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Windy, cold. Near steady temperature around 15.
.FRIDAY...Partly cloudy with a 30 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. Near steady temperature
in the lower 20s. Chance of snow 70 percent.
.SATURDAY...Snow showers. New light snow accumulation. Windy with
highs in the upper 20s. Chance of snow 80 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 40 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
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs in the upper
20s. West winds 15 to 20 mph with gusts up to 35 mph.
.TONIGHT...Mostly cloudy. A slight chance of. Windy. Near steady
temperature in the lower 20s. Southwest winds 20 to 30 mph with
gusts up to 45 mph.
.TUESDAY...Mostly cloudy. Snow showers in the afternoon. Little
or no snow accumulation. Breezy with highs in the lower 30s. West
winds 15 to 25 mph with gusts up to 45 mph. Chance of snow
80 percent.
.TUESDAY NIGHT...Snow showers. Light snow accumulation. Cold with
lows around 16. Northwest winds around 10 mph, becoming north
after midnight. Chance of snow 90 percent.
.WEDNESDAY...Mostly 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, becoming northwest 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. Breezy
with highs in the upper 20s.
.THURSDAY NIGHT...Partly cloudy. A slight chance of. Breezy, cold
with lows 14 to 20.
.FRIDAY...Partly cloudy and breezy. Highs in the lower 30s.
.FRIDAY NIGHT...Partly cloudy with a chance of snow showers in
the evening, then mostly cloudy with a slight chance of snow
showers after midnight. Breezy with lows in the mid 20s. Chance
of snow 30 percent.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the upper 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 mid 30s.

$$

WYZ024-012300-
Salt River and Wyoming Ranges-
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Partly cloudy. Highs in the lower 20s. West
winds 10 to 15 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy with snow showers likely. Snow
accumulation up to 3 inches. Cold. Near steady temperature around
18. West winds 10 to 15 mph with gusts up to 30 mph. Chance of
snow 70 percent.
.TUESDAY...Mostly cloudy with snow showers likely. Snow
accumulation up to 7 inches. Highs in the lower 20s. West winds
10 to 15 mph with gusts up to 30 mph. Chance of snow 70 percent.
.TUESDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in
the evening. New little or no snow accumulation. Cold with lows
10 to 16. Northwest winds around 10 mph. Chance of snow
60 percent.
.WEDNESDAY...Partly cloudy. A chance of snow showers in the
morning. Highs in the mid 20s. Chance of snow 30 percent.
.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 lower 20s. Chance of snow 30 percent.
.THURSDAY NIGHT...Mostly cloudy. A chance of snow showers in the
evening, then snow showers likely after midnight. Little or no
snow accumulation. Cold. Near steady temperature 15 to 20. Chance
of snow 60 percent.
.FRIDAY...Snow showers likely. Moderate snow accumulation
possible. Highs in the upper 20s. Chance of snow 70 percent.
.FRIDAY NIGHT...Snow showers. Snow may be heavy at times. New
heavy snow accumulation. Breezy with lows in the mid 20s. Chance
of snow 80 percent.
.SATURDAY...Snow showers. New moderate snow accumulation. Breezy
with highs around 30. 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 16 to 22. 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 upper 20s. Chance of snow 60 percent.

$$

WYZ030-012300-
East Sweetwater County-
Including the city of Wamsutter
1202 PM MST Mon Dec 1 2025

.THIS AFTERNOON...Mostly sunny and breezy. Highs around 30. West
winds 15 to 20 mph with gusts up to 30 mph.
.TONIGHT...Mostly cloudy. A chance of snow showers after
midnight. Breezy. Near steady temperature in the lower 20s.
Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of
snow 30 percent.
.TUESDAY...Mostly cloudy. A chance of snow showers in the
afternoon. Breezy with highs around 30. West winds 15 to 25 mph
with gusts up to 35 mph. Chance of snow 30 percent.
.TUESDAY NIGHT...Cloudy. A chance of snow showers in the evening,
then snow showers likely after midnight. Little or no snow
accumulation. Cold with lows around 18. West winds around 10 mph,
becoming north after midnight. Chance of snow 70 percent.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 20s. North winds 10 to 15 mph with gusts
up to 25 mph.
.WEDNESDAY NIGHT...Mostly clear. Cold with lows 10 to 15.
.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 and breezy. Highs in the lower 30s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Breezy with lows in the mid 20s.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Breezy with highs in the upper 30s.
.SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the
evening. Breezy with lows in the lower 20s. Chance of snow
30 percent.
.SUNDAY...Partly cloudy and breezy. Highs in the mid 30s.

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