Zone Forecast Product
Issued by NWS Riverton, WY

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FPUS55 KRIW 170612
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1111 PM MST Sat Dec 16 2017

WYZ020-171100-
Natrona County Lower Elevations-
Including the city of Casper
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Breezy. Snow late in the evening, then chance
of snow after midnight. New snow accumulation up to 1 inch. Total
snow accumulation 1 to 3 inches. Lows 15 to 19. North winds 15 to
20 mph. Chance of snow 80 percent.
.SUNDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly sunny. Highs 31 to 35.
Southwest winds 15 to 20 mph.
.SUNDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows 18 to 22. Southwest winds 15 to
25 mph.
.MONDAY...Breezy. Partly cloudy. Highs 35 to 39. Southwest winds
15 to 25 mph.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows 19 to 23. Southwest
winds 15 to 20 mph.
.TUESDAY...Breezy. Partly cloudy. Highs near 40.
.TUESDAY NIGHT...Breezy. Partly cloudy. Lows in the mid 20s to
lower 30s.
.WEDNESDAY...Breezy. Partly cloudy. Chance of snow, possibly
mixed with rain in the afternoon. Highs near 40. Temperatures
falling into the lower 20s in the afternoon. Chance of
precipitation 50 percent.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy with a 50 percent
chance of snow. Lows 2 to 6. Wind chill readings 11 below to
21 below zero.
.THURSDAY...Much colder. Mostly cloudy. A 20 percent chance of
snow in the morning. Highs around 11. Wind chill readings
11 below to 21 below zero.
.THURSDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 4 below to zero. Wind chill readings 12 below to 22 below
zero.
.FRIDAY...Partly cloudy. Highs around 18.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 2 below to 3 above
zero. Wind chill readings 11 below to 21 below zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 17.

$$

WYZ017-171100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Little or no new snow accumulation. Lows around
15. North winds around 15 mph late in the evening. Chance of snow
80 percent.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny. Highs around 31.
.SUNDAY NIGHT...Partly cloudy then becoming mostly clear late in
the evening then becoming partly cloudy. Lows around 15.
Southwest winds around 15 mph after midnight.
.MONDAY...Mostly cloudy. Highs 34 to 38. Southwest winds around
15 mph.
.MONDAY NIGHT...Partly cloudy. Lows 17 to 21. Southwest winds
around 15 mph in the evening.
.TUESDAY...Partly cloudy. Highs in the mid to upper 30s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.WEDNESDAY...Breezy. Partly cloudy. Chance of snow, possibly
mixed with rain in the afternoon. Highs in the upper 30s. Chance
of precipitation 50 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 4 to 8.
.THURSDAY...Much colder. Cloudy with a 20 percent chance of snow
in the morning, then partly cloudy in the afternoon. Highs around
14.
.THURSDAY NIGHT...Colder. Mostly clear in the evening then
becoming partly cloudy. Lows 2 below to 6 below zero. Wind chill
readings 14 below to 24 below zero.
.FRIDAY...Partly cloudy. Highs 15 to 19. Lowest wind chill
readings 10 below to 20 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 4 below to zero. Wind
chill readings 12 below to 22 below zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 16. Wind chill readings 10 below to 20 below
zero.

$$

WYZ018-171100-
Lander Foothills-
Including the city of Lander
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Little or no new snow accumulation. Lows around
16. Chance of snow 80 percent.
.SUNDAY...Partly cloudy early in the morning then clearing. Highs
around 32.
.SUNDAY NIGHT...Partly cloudy then becoming mostly clear in the
late evening and early morning then becoming partly cloudy. Lows
15 to 19.
.MONDAY...Mostly cloudy. Highs around 37.
.MONDAY NIGHT...Partly cloudy. Lows 20 to 24.
.TUESDAY...Partly cloudy. Highs around 40.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.WEDNESDAY...Partly cloudy. Chance of snow, possibly mixed with
rain in the afternoon. Highs in the lower 40s. Chance of
precipitation 30 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 6 to 10.
.THURSDAY...Much colder. Cloudy with a 20 percent chance of snow
in the morning, then partly cloudy in the afternoon. Highs around
13.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 1 below to 6 below zero.
.FRIDAY...Partly cloudy. Highs around 18.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 3 below to 2 above zero.
.SATURDAY...Partly cloudy. Highs around 16.

$$

WYZ028-171100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Little or no new snow
accumulation. Lows around 16. West winds around 15 mph late in
the evening. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny. Highs 30 to 34. West winds
around 15 mph in the late morning and afternoon.
.SUNDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows 14 to 18. West winds 15 to 20 mph.
.MONDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs 35 to 39. West winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows 17 to 22. West winds
15 to 20 mph.
.TUESDAY...Partly cloudy. Highs near 40.
.TUESDAY NIGHT...Partly cloudy. Lows 19 to 23.
.WEDNESDAY...Partly cloudy with a 30 percent chance of snow.
Highs near 40.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 5 to 9.
.THURSDAY...Much colder. Mostly cloudy. A 30 percent chance of
snow in the morning. Highs 13 to 17.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 4 below to 1 above zero.
.FRIDAY...Partly cloudy. Highs in the lower to mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 1 to 6.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 20s.

$$

WYZ013-171100-
Jackson Hole-
Including the city of Jackson
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Mostly cloudy. A 30 percent chance of snow
late in the evening. Lows 8 to 13.
.SUNDAY...Partly cloudy. Highs 22 to 26.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Scattered snow showers. Lows 10 to 14. Chance of snow
40 percent.
.MONDAY...Cloudy with scattered snow showers. Highs around 28.
Chance of snow 40 percent.
.MONDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
18 to 22.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the lower to mid 30s.
.TUESDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows 19 to 23.
.WEDNESDAY...Snow likely. Highs in the lower to mid 30s. Chance
of snow 60 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 4 to 9.
.THURSDAY...Colder. Mostly cloudy in the morning then clearing.
Highs around 15.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 3 below to 2 above zero.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs around 17.
.FRIDAY NIGHT...Mostly cloudy. Lows 2 below to 3 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 17.

$$

WYZ003-171100-
Cody Foothills-
Including the cities of Cody and Meeteetse
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Mostly cloudy late in the evening then
becoming partly cloudy. A 30 percent chance of snow late in the
evening. Patchy freezing fog after midnight. Lows 13 to 17. West
winds around 15 mph late in the evening.
.SUNDAY...Breezy. Mostly sunny until late afternoon then becoming
partly cloudy. Patchy freezing fog in the morning. Highs 31 to
35. Southwest winds 15 to 25 mph.
.SUNDAY NIGHT...Windy. Partly cloudy until early morning then
becoming mostly cloudy. Lows 20 to 24. Southwest winds 20 to
30 mph.
.MONDAY...Breezy. Mostly cloudy. Highs 39 to 43. West winds 15 to
25 mph.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. Lows 24 to 29. West winds 15 to 20 mph.
.TUESDAY...Partly cloudy. Highs in the lower to mid 40s.
.TUESDAY NIGHT...Partly cloudy. Lows 26 to 31.
.WEDNESDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. A 30 percent chance of snow. Highs near 40.
Temperatures falling into the lower 20s in the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy with a 50 percent
chance of snow. Lows 5 to 10.
.THURSDAY...Colder. Mostly cloudy in the morning then clearing.
Highs 15 to 19.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 4 to 9.
.FRIDAY...Partly cloudy in the morning, then mostly cloudy with a
20 percent chance of snow in the afternoon. Highs in the lower to
mid 20s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 3 to 8.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 20s.

$$

WYZ004-171100-
North Big Horn Basin-
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Mostly cloudy. A 30 percent chance of snow
late in the evening. Patchy freezing fog after midnight. Lows
15 to 19. Northwest winds around 15 mph late in the evening.
.SUNDAY...Partly cloudy. Patchy freezing fog in the morning.
Highs around 33. Southeast winds around 15 mph in the late
morning and afternoon.
.SUNDAY NIGHT...Partly cloudy until early morning then becoming
mostly cloudy. Lows 17 to 21. South winds around 15 mph.
.MONDAY...Mostly cloudy. Highs around 39. South winds around
15 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows 19 to 23.
.TUESDAY...Partly cloudy. Highs around 40.
.TUESDAY NIGHT...Partly cloudy. Lows 21 to 26.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of snow.
Highs in the upper 30s.
.WEDNESDAY NIGHT...Breezy, colder. Cloudy with a 40 percent
chance of snow. Lows around 8.
.THURSDAY...Much colder. Mostly cloudy in the morning then
clearing. Highs around 18.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 1 to 5.
.FRIDAY...Partly cloudy in the morning, then mostly cloudy with a
20 percent chance of snow in the afternoon. Highs in the lower
20s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 3 to 7.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 20s.

$$

WYZ006-171100-
Southeast Big Horn Basin-
Including the city of Worland
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Patchy freezing fog after
midnight. Little or no new snow accumulation. Lows around 16.
Chance of precipitation 60 percent.
.SUNDAY...Partly cloudy in the morning then clearing. Patchy
freezing fog in the morning. Highs around 33.
.SUNDAY NIGHT...Partly cloudy. Lows 15 to 19.
.MONDAY...Mostly cloudy. Highs around 38.
.MONDAY NIGHT...Partly cloudy. Lows 17 to 21.
.TUESDAY...Partly cloudy. Highs in the upper 30s.
.TUESDAY NIGHT...Partly cloudy. Lows 19 to 23.
.WEDNESDAY...Partly cloudy with a 50 percent chance of snow.
Highs in the lower 40s.
.WEDNESDAY NIGHT...Breezy, colder. Cloudy with a 50 percent
chance of snow. Lows around 8.
.THURSDAY...Much colder. Mostly cloudy in the morning then
becoming partly cloudy. Highs 14 to 18.
.THURSDAY NIGHT...Colder. Mostly clear in the evening then
becoming partly cloudy. Lows 2 below to 2 above zero.
.FRIDAY...Partly cloudy. Highs 19 to 23.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows around 2.
.SATURDAY...Mostly cloudy. Highs 18 to 23.

$$

WYZ005-171100-
Southwest Big Horn Basin-
Including the city of Thermopolis
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Patchy freezing fog after
midnight. Little or no new snow accumulation. Lows 12 to 16.
Northwest winds around 15 mph late in the evening. Chance of
precipitation 60 percent.
.SUNDAY...Partly cloudy early in the morning then clearing.
Patchy freezing fog in the morning. Highs around 32.
.SUNDAY NIGHT...Partly cloudy. Lows 14 to 18.
.MONDAY...Mostly cloudy. Highs around 37.
.MONDAY NIGHT...Partly cloudy. Lows 17 to 21.
.TUESDAY...Partly cloudy. Highs in the upper 30s.
.TUESDAY NIGHT...Partly cloudy. Lows 19 to 23.
.WEDNESDAY...Partly cloudy with a 50 percent chance of snow.
Highs in the upper 30s.
.WEDNESDAY NIGHT...Breezy, colder. Cloudy with a 50 percent
chance of snow. Lows 4 to 8.
.THURSDAY...Much colder. Mostly cloudy in the morning then
becoming partly cloudy. Highs around 15.
.THURSDAY NIGHT...Colder. Mostly clear in the evening then
becoming partly cloudy. Lows 4 below to 1 above zero.
.FRIDAY...Partly cloudy. Highs around 19.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 2 below to 3 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 19.

$$

WYZ023-171100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Mostly cloudy. A 30 percent chance of snow
late in the evening. Lows around 12.
.SUNDAY...Mostly cloudy early in the morning then becoming partly
cloudy. Highs around 26.
.SUNDAY NIGHT...Partly cloudy until early morning then becoming
mostly cloudy. Scattered snow showers early in the morning. Lows
around 12. Chance of snow 30 percent.
.MONDAY...Cloudy with scattered snow showers. Highs around 29.
Chance of snow 30 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 17 to 21.
.TUESDAY...Mostly cloudy. Highs in the mid 30s.
.TUESDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 18 to 22.
.WEDNESDAY...Snow likely. Highs in the mid 30s. Chance of snow
60 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 5 to 9.
.THURSDAY...Colder. Mostly cloudy in the morning then becoming
partly cloudy. Highs around 15.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 4 below to zero.
.FRIDAY...Partly cloudy. Highs around 18.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 1 below to 3 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 20.

$$

WYZ025-171100-
Upper Green River Basin Foothills-
Including the city of Pinedale
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Cloudy. A 50 percent chance of snow late in
the evening. Little or no new snow accumulation. Lows 9 to 13.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny then becoming partly cloudy
late in the afternoon. Highs around 27. Northwest winds around
15 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 9 to 13. Northwest winds
around 15 mph.
.MONDAY...Mostly cloudy with scattered snow showers. Highs 28 to
32. Chance of snow 30 percent.
.MONDAY NIGHT...Mostly cloudy. Lows 15 to 19.
.TUESDAY...Mostly cloudy. Highs in the mid 30s.
.TUESDAY NIGHT...Partly cloudy. A 20 percent chance of snow after
midnight. Lows 14 to 18.
.WEDNESDAY...Mostly cloudy. Chance of snow in the morning, then
snow likely in the afternoon. Highs in the mid 30s. Chance of
snow 60 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 5 to 9.
.THURSDAY...Colder. Mostly cloudy in the morning then becoming
partly cloudy. Highs around 18.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 4 below to 1 above
zero.
.FRIDAY...Partly cloudy. Highs around 20.
.FRIDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.SATURDAY...Partly cloudy. Highs around 20.

$$

WYZ026-171100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. A 50 percent chance of snow late in
the evening. Little or no new snow accumulation. Lows 10 to 14.
Northeast winds around 15 mph late in the evening.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny then becoming partly cloudy
late in the afternoon. Highs 28 to 32. Northwest winds around
15 mph late in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 8 to 12. Northwest winds
around 15 mph.
.MONDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 31 to 35. West winds around 15 mph in the
afternoon.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 11 to 15. West winds around 15 mph in the evening.
.TUESDAY...Partly cloudy. Highs 34 to 39.
.TUESDAY NIGHT...Partly cloudy. Lows 12 to 16.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 40 percent chance of snow. Highs in the mid to upper
30s.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 2 to 7. Wind chill readings 10 below to 20 below zero.
.THURSDAY...Colder. Mostly cloudy with a 20 percent chance of
snow in the morning, then partly cloudy in the afternoon. Highs
15 to 19. Wind chill readings 10 below to 20 below zero.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 6 below to 11 below
zero.
.FRIDAY...Partly cloudy. Highs 18 to 23. Lowest wind chill
readings 13 below to 23 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 3 below to 8 below zero.
.SATURDAY...Partly cloudy. Highs 19 to 24. Lowest wind chill
readings 11 below to 21 below zero in the morning.

$$

WYZ010-171100-
Northeast Johnson County-
Including the city of Buffalo
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Mostly cloudy. A 40 percent chance of snow
late in the evening. Patchy freezing fog after midnight. Lows
around 17.
.SUNDAY...Partly cloudy in the morning then clearing. Patchy
freezing fog in the morning. Highs around 37.
.SUNDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows around 22. Southwest winds around 15 mph after
midnight.
.MONDAY...Mostly cloudy. Highs around 46. West winds around
15 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Lows around 23.
.TUESDAY...Partly cloudy. Highs in the lower 40s.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the upper 20s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with chance of snow in the afternoon. Highs in the lower 40s.
Chance of snow 50 percent.
.WEDNESDAY NIGHT...Windy. Much colder. Cloudy with a 50 percent
chance of snow. Lows around 7.
.THURSDAY...Breezy. Much colder. Cloudy in the morning then
becoming partly cloudy. Highs around 16.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows around 7.
.FRIDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs in the mid 20s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows around 8.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 20s.

$$

WYZ011-171100-
Southeast Johnson County-
Including the city of Kaycee
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Patchy freezing fog after
midnight. Little or no new snow accumulation. Lows around 17.
Chance of precipitation 60 percent.
.SUNDAY...Mostly cloudy early in the morning then clearing.
Patchy freezing fog in the morning. Highs around 36. Southwest
winds around 15 mph.
.SUNDAY NIGHT...Breezy. Mostly clear in the evening then becoming
partly cloudy. Lows around 21. Southwest winds 15 to 20 mph.
.MONDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs 41 to 45. Southwest winds 15 to 20 mph.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 23. West winds around 15 mph in the evening.
.TUESDAY...Partly cloudy. Highs in the lower 40s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.WEDNESDAY...Breezy. Partly cloudy. Chance of snow, possibly
mixed with rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 50 percent.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy with a 50 percent
chance of snow. Lows around 7.
.THURSDAY...Breezy. Much colder. Cloudy in the morning then
becoming partly cloudy. Highs 14 to 18.
.THURSDAY NIGHT...Partly cloudy. Lows 2 to 6.
.FRIDAY...Partly cloudy in the morning, then mostly cloudy with a
20 percent chance of snow in the afternoon. Highs in the lower to
mid 20s.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 3 to 7.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 20s.

$$

WYZ027-171100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. A 40 percent chance of snow late in
the evening. Lows 11 to 15. Northwest winds around 15 mph late in
the evening.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny then becoming partly cloudy
late in the afternoon. Highs 26 to 30. West winds around 15 mph
in the late morning and afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 11 to 15. West winds around
15 mph.
.MONDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 31 to 35. West winds around 15 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 14 to 18. West winds around 15 mph.
.TUESDAY...Partly cloudy. Highs in the mid 30s to lower 40s.
.TUESDAY NIGHT...Partly cloudy. Lows 16 to 20.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 40 percent chance of snow. Highs in the mid 30s to
lower 40s.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 4 to 8.
.THURSDAY...Much colder. Mostly cloudy with a 20 percent chance
of snow in the morning, then partly cloudy in the afternoon.
Highs 13 to 17.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 4 below to 1 above
zero.
.FRIDAY...Partly cloudy. Highs 18 to 22.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 1 below to 4 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 19 to 23.

$$

WYZ016-171100-
Upper Wind River Basin-
Including the city of Dubois
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. A 50 percent chance of snow late in
the evening. Little or no new snow accumulation. Lows around 14.
.SUNDAY...Breezy. Partly cloudy early in the morning then
clearing. Highs 29 to 34. Northwest winds 15 to 25 mph.
.SUNDAY NIGHT...Windy. Partly cloudy. Lows 16 to 20. Northwest
winds 20 to 30 mph.
.MONDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. Highs 35 to 40. West winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows around 23. West winds
15 to 20 mph.
.TUESDAY...Breezy. Partly cloudy. Highs near 40.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.WEDNESDAY...Breezy. Partly cloudy with a 30 percent chance of
snow. Highs in the mid 30s to lower 40s. Temperatures falling
into the lower 20s in the afternoon.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows 7 to 11.
.THURSDAY...Much colder. Mostly cloudy in the morning then
becoming partly cloudy. Highs around 17.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 2 to 6.
.FRIDAY...Partly cloudy. Highs in the lower 20s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 2 to 7.
.SATURDAY...Partly cloudy. Highs around 20.

$$

WYZ001-171100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Mostly cloudy with a 30 percent chance of snow
late in the evening, then partly cloudy after midnight. Lows 3 to
9. North winds around 15 mph late in the evening.
.SUNDAY...Partly cloudy until late afternoon then becoming mostly
cloudy. Scattered snow showers late in the afternoon. Highs 17 to
23. Southwest winds around 15 mph. Chance of snow 30 percent.
.SUNDAY NIGHT...Breezy. Cloudy with scattered snow showers. Lows
8 to 14. Southwest winds 15 to 20 mph. Chance of snow 30 percent.
.MONDAY...Breezy, cloudy. Scattered snow showers in the morning,
then numerous snow showers in the afternoon. Snow accumulation of
1 to 2 inches. Highs 21 to 27. Southwest winds 15 to 25 mph.
Chance of snow 60 percent.
.MONDAY NIGHT...Breezy. Cloudy with a 50 percent chance of snow.
Snow accumulation of 1 to 2 inches. Total snow accumulation 2 to
4 inches. Lows 16 to 22. Southwest winds 15 to 20 mph.
.TUESDAY...Breezy, cloudy. Chance of snow in the morning, then
scattered snow showers in the afternoon. Highs 25 to 31. Chance
of snow 40 percent.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 16 to 22.
.WEDNESDAY...Breezy. Snow likely. Highs 24 to 30. Chance of snow
60 percent.
.WEDNESDAY NIGHT...Much colder. Cloudy with a 50 percent chance
of snow. Lows 4 below to 2 above zero. Wind chill readings
14 below to 24 below zero.
.THURSDAY...Colder. Partly cloudy in the morning then clearing.
Highs 8 to 14. Lowest wind chill readings 17 below to 27 below
zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 7 below to 1 above zero.
.FRIDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 11 to 17. Lowest wind chill readings 10 below to
20 below zero in the morning.
.FRIDAY NIGHT...Mostly cloudy. Lows 7 below to 1 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 12 to 18. Wind chill readings 13 below to 23 below
zero.

$$

WYZ029-171100-
Flaming Gorge-
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Little or no new snow accumulation. Lows around
17. Chance of snow 80 percent.
.SUNDAY...Mostly cloudy then becoming partly cloudy early in the
afternoon then becoming mostly sunny. Highs 31 to 36. West winds
around 15 mph in the late morning and afternoon.
.SUNDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows around 18. West winds around 15 mph.
.MONDAY...Breezy. Partly cloudy. Highs 36 to 41. West winds 15 to
25 mph.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows around 21. West winds
15 to 20 mph.
.TUESDAY...Partly cloudy. Highs in the lower to mid 40s.
.TUESDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows in the lower 20s.
.WEDNESDAY...Partly cloudy with a 50 percent chance of snow.
Highs 39 to 44.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Lows around 9.
.THURSDAY...Much colder. Mostly cloudy. A 30 percent chance of
snow in the morning. Highs 13 to 18.
.THURSDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 1.
.FRIDAY...Not as cold. Partly cloudy. Highs 21 to 26.
.FRIDAY NIGHT...Partly cloudy. Lows around 5.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 21 to 26.

$$

WYZ022-171100-
Casper Mountain-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then isolated snow
showers early in the morning. Little or no new snow accumulation.
Lows 14 to 20. Northeast winds around 15 mph late in the evening.
Chance of snow 90 percent.
.SUNDAY...Breezy. Mostly cloudy with isolated snow showers in the
morning, then mostly sunny in the afternoon. Highs 26 to 32.
Southwest winds 15 to 25 mph in the late morning and afternoon.
Chance of snow 20 percent.
.SUNDAY NIGHT...Windy. Mostly clear until early morning then
becoming partly cloudy. Lows 16 to 22. Southwest winds 20 to
30 mph.
.MONDAY...Windy. Partly cloudy. Highs 30 to 36. Southwest winds
20 to 30 mph with gusts to around 45 mph.
.MONDAY NIGHT...Windy. Partly cloudy. Lows 19 to 25. Southwest
winds 20 to 30 mph.
.TUESDAY...Windy. Partly cloudy. Highs 31 to 37.
.TUESDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 25 to 31.
.WEDNESDAY...Breezy. Partly cloudy with a 50 percent chance of
snow. Highs 35 to 41. Temperatures falling into the lower 20s in
the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Snow likely. Lows zero to
6 above. Chance of snow 60 percent.
.THURSDAY...Breezy. Much colder. Cloudy. A 40 percent chance of
snow in the morning. Highs 4 to 10. Wind chill readings 11 below
to 21 below zero.
.THURSDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 5 below to 1 above zero. Wind chill readings 10 below to
20 below zero.
.FRIDAY...Not as cold. Partly cloudy. Highs 12 to 18.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 1 below to 5 above
zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 11 to 17.

$$

WYZ002-171100-
Absaroka Mountains-
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Patchy freezing fog after
midnight. Little or no new snow accumulation. Lows 6 to 12. West
winds around 15 mph after midnight. Chance of precipitation
60 percent.
.SUNDAY...Breezy. Partly cloudy then becoming mostly sunny late
in the morning then becoming partly cloudy. Patchy freezing fog
in the morning. Highs 19 to 27. West winds 15 to 25 mph.
.SUNDAY NIGHT...Windy. Partly cloudy early in the evening then
becoming mostly cloudy. Scattered snow showers. Lows 11 to 19.
West winds 20 to 30 mph. Gusts up to 45 mph early in the morning.
Chance of snow 30 percent.
.MONDAY...Windy. Cloudy with scattered snow showers. Areas of
blowing snow. Snow accumulation up to 1 inch. Highs 23 to 33.
West winds 25 to 35 mph with gusts to around 50 mph. Chance of
snow 50 percent.
.MONDAY NIGHT...Windy. Cloudy with a 50 percent chance of snow.
Areas of blowing snow. Snow accumulation up to 1 inch. Total snow
accumulation up to 2 inches. Lows 18 to 24. West winds 25 to
35 mph decreasing to 15 to 25 mph after midnight.
.TUESDAY...Windy. Mostly cloudy with a 30 percent chance of snow.
Highs 25 to 35.
.TUESDAY NIGHT...Breezy. Partly cloudy with a 30 percent chance
of snow. Lows 18 to 26.
.WEDNESDAY...Breezy. Mostly cloudy with snow likely. Highs 23 to
33. Temperatures falling into the lower teens in the afternoon.
Chance of snow 60 percent.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy. Snow likely in
the evening, then chance of snow after midnight. Lows zero to
6 above. Chance of snow 60 percent. Wind chill readings 19 below
to 29 below zero.
.THURSDAY...Breezy, colder. Mostly cloudy in the morning then
clearing. Highs 9 to 15. Wind chill readings 19 below to 29 below
zero.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows zero to 6 above. Wind chill readings 14 below
to 24 below zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 20 percent chance of snow. Highs 13 to 19. Wind chill
readings 11 below to 21 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 below to 5 above zero. Wind chill readings 19 below to
29 below zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 11 to 17. Wind chill readings 16 below to 26 below
zero.

$$

WYZ007-171100-
Owl Creek and Bridger Mountains-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Little or no new snow accumulation. Lows 12 to
18. Northwest winds around 15 mph late in the evening. Chance of
snow 80 percent.
.SUNDAY...Partly cloudy early in the morning then clearing. Highs
25 to 31. Southwest winds around 15 mph in the late morning and
early afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows around 18. Southwest winds
around 15 mph in the late evening and overnight.
.MONDAY...Mostly cloudy. Highs 32 to 38. Southwest winds around
15 mph.
.MONDAY NIGHT...Partly cloudy. Lows around 22. Southwest winds
around 15 mph.
.TUESDAY...Breezy. Partly cloudy. Highs 33 to 39.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.WEDNESDAY...Breezy. Partly cloudy with a 30 percent chance of
snow. Highs 33 to 39.
.WEDNESDAY NIGHT...Breezy, colder. Cloudy with a 50 percent
chance of snow. Lows 4 to 10.
.THURSDAY...Breezy, colder. Cloudy with a 20 percent chance of
snow in the morning, then partly cloudy in the afternoon. Highs
10 to 16. Wind chill readings 10 below to 20 below zero.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 1 below to 5 above zero.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs 14 to 20.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows zero to 6 above.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 13 to 19.

$$

WYZ008-171100-
Bighorn Mountains West-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Patchy freezing fog after midnight. New snow
accumulation up to 1 inch. Total snow accumulation 1 to 3 inches.
Lows 10 to 18. Southwest winds around 15 mph early in the
morning. Chance of precipitation 80 percent.
.SUNDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny then becoming partly cloudy
late in the afternoon. Patchy freezing fog in the morning. Highs
22 to 30. Southwest winds around 15 mph.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 15 to 21. North winds
around 15 mph shifting to the west early in the morning.
.MONDAY...Breezy. Mostly cloudy. Highs 28 to 36. West winds 15 to
25 mph.
.MONDAY NIGHT...Breezy. Mostly cloudy. Lows 18 to 24. West winds
15 to 25 mph.
.TUESDAY...Breezy. Partly cloudy. Highs 29 to 37.
.TUESDAY NIGHT...Partly cloudy. Lows 21 to 27.
.WEDNESDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. A 30 percent chance of snow. Highs 27 to 37.
Temperatures falling into the mid teens in the afternoon. Lowest
wind chill readings 15 below to 25 below zero in the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy with a 50 percent
chance of snow. Lows 2 below to 8 above zero. Wind chill readings
26 below to 36 below zero.
.THURSDAY...Colder. Cloudy with a 20 percent chance of snow in
the morning, then partly cloudy in the afternoon. Highs 6 to 12.
Wind chill readings 23 below to 33 below zero.
.THURSDAY NIGHT...Partly cloudy. Lows 2 below to 6 above zero.
Wind chill readings 18 below to 28 below zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 12 to 18. Wind chill
readings 14 below to 24 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 below to 5 above zero. Wind chill readings 22 below to
32 below zero.
.SATURDAY...Mostly cloudy. A 20 percent chance of snow in the
morning. Highs 10 to 16. Wind chill readings 19 below to 29 below
zero.

$$

WYZ009-171100-
Bighorn Mountains Southeast-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Patchy freezing fog after midnight. Little or no
new snow accumulation. Near steady temperature around 17.
Northeast winds around 15 mph shifting to the west early in the
morning. Chance of precipitation 80 percent.
.SUNDAY...Breezy. Partly cloudy early in the morning then
clearing. Patchy freezing fog in the morning. Highs 24 to 30.
West winds 15 to 25 mph.
.SUNDAY NIGHT...Breezy. Mostly clear in the evening then becoming
partly cloudy. Near steady temperature around 20. West winds
15 to 25 mph.
.MONDAY...Windy. Not as cold. Partly cloudy in the morning then
becoming mostly cloudy. Highs 31 to 39. West winds 20 to 30 mph.
.MONDAY NIGHT...Windy. Partly cloudy. Lows 18 to 24. West winds
20 to 30 mph decreasing to 15 to 20 mph after midnight.
.TUESDAY...Breezy. Partly cloudy. Highs 30 to 38.
.TUESDAY NIGHT...Breezy. Partly cloudy. Lows 23 to 29.
.WEDNESDAY...Breezy. Partly cloudy with a 30 percent chance of
snow. Highs 30 to 38. Temperatures falling into the mid teens in
the afternoon. Lowest wind chill readings 16 below to 26 below
zero in the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy with a 50 percent
chance of snow. Lows 2 below to 6 above zero. Wind chill readings
25 below to 35 below zero.
.THURSDAY...Much colder. Cloudy with a 20 percent chance of snow
in the morning, then partly cloudy in the afternoon. Highs 6 to
12. Wind chill readings 23 below to 33 below zero.
.THURSDAY NIGHT...Partly cloudy. Lows 1 below to 5 above zero.
Wind chill readings 17 below to 27 below zero.
.FRIDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 13 to 19. Wind chill
readings 14 below to 24 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 1 below to 5 above zero. Wind chill readings 23 below to
33 below zero.
.SATURDAY...Mostly cloudy with a 20 percent chance of snow in the
morning, then partly cloudy in the afternoon. Highs 11 to 17.
Wind chill readings 20 below to 30 below zero.

$$

WYZ012-171100-
Teton and Gros Ventre Mountains-
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Little or no new snow
accumulation. Lows 7 to 13. Northeast winds around 15 mph late in
the evening. Chance of snow 60 percent.
.SUNDAY...Partly cloudy. Highs 17 to 23. West winds around
15 mph.
.SUNDAY NIGHT...Breezy. Mostly cloudy with scattered snow
showers. Lows 7 to 13. Southwest winds 15 to 20 mph. Chance of
snow 30 percent.
.MONDAY...Breezy. Cloudy with scattered snow showers. Snow
accumulation of 1 to 2 inches. Highs 21 to 27. Southwest winds
15 to 25 mph. Chance of snow 50 percent.
.MONDAY NIGHT...Breezy. Cloudy with a 50 percent chance of snow.
Snow accumulation around 1 inch. Total snow accumulation 2 to
3 inches. Lows 17 to 23. Southwest winds 15 to 20 mph.
.TUESDAY...Breezy. Mostly cloudy with a 30 percent chance of
snow. Highs 26 to 32.
.TUESDAY NIGHT...Breezy. Partly cloudy with a 40 percent chance
of snow. Lows 16 to 22.
.WEDNESDAY...Breezy. Snow likely. Highs 25 to 31. Chance of snow
70 percent.
.WEDNESDAY NIGHT...Colder, cloudy. Snow likely in the evening,
then chance of snow after midnight. Lows 2 to 8. Chance of snow
60 percent. Wind chill readings 11 below to 21 below zero.
.THURSDAY...Colder. Mostly cloudy in the morning then clearing.
Highs 10 to 16. Wind chill readings 11 below to 21 below zero.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 2 below to 4 above zero.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs 12 to 18.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 2 below to 4 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 12 to 18.

$$

WYZ014-171100-
Wind River Mountains West-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Breezy. Snow late in the evening, then chance
of snow after midnight. Isolated snow showers early in the
morning. New snow accumulation up to 1 inch. Total snow
accumulation up to 3 inches. Lows 7 to 13. Northeast winds 15 to
20 mph shifting to the west early in the morning. Chance of snow
80 percent.
.SUNDAY...Breezy. Partly cloudy with isolated snow showers until
late afternoon, then partly cloudy late in the afternoon. Highs
19 to 25. Northwest winds 15 to 20 mph. Chance of snow
20 percent.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 8 to 14. Northwest
winds 15 to 20 mph.
.MONDAY...Breezy. Mostly cloudy with scattered snow showers.
Highs 22 to 30. West winds 15 to 25 mph. Chance of snow
40 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of
snow. Lows 14 to 20. West winds 15 to 25 mph.
.TUESDAY...Breezy. Partly cloudy. Highs 25 to 33.
.TUESDAY NIGHT...Partly cloudy. A 30 percent chance of snow after
midnight. Lows 14 to 20.
.WEDNESDAY...Breezy. Partly cloudy with chance of snow in the
morning, then mostly cloudy with snow likely in the afternoon.
Highs 23 to 33. Temperatures falling into the lower teens in the
afternoon. Chance of snow 60 percent. Lowest wind chill readings
12 below to 22 below zero in the afternoon.
.WEDNESDAY NIGHT...Colder, cloudy. Snow likely in the evening,
then chance of snow after midnight. Lows zero to 6 above. Chance
of snow 60 percent. Wind chill readings 18 below to 28 below
zero.
.THURSDAY...Colder. Mostly cloudy with a 20 percent chance of
snow in the morning, then partly cloudy in the afternoon. Highs
8 to 14. Wind chill readings 19 below to 29 below zero.
.THURSDAY NIGHT...Partly cloudy. Lows 5 below to 1 above zero.
Wind chill readings 16 below to 26 below zero.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs 12 to 18. Wind chill readings 14 below to
24 below zero.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 4 below to 2 above zero. Wind chill readings 17 below to
27 below zero.
.SATURDAY...Partly cloudy. Highs 11 to 17. Wind chill readings
17 below to 27 below zero.

$$

WYZ015-171100-
Wind River Mountains East-
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Breezy. Snow late in the evening, then chance
of snow after midnight. Isolated snow showers early in the
morning. New snow accumulation up to 1 inch. Total snow
accumulation 1 to 3 inches. Lows 6 to 14. West winds 15 to 20 mph
early in the morning. Chance of snow 90 percent.
.SUNDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly sunny. Isolated snow showers.
Highs 20 to 28. West winds 15 to 20 mph. Chance of snow
20 percent.
.SUNDAY NIGHT...Breezy. Partly cloudy then becoming mostly clear
late in the evening then becoming partly cloudy. Lows 13 to 19.
West winds 15 to 25 mph.
.MONDAY...Windy. Mostly cloudy with scattered snow showers. Areas
of blowing snow. Highs 24 to 34. West winds 20 to 30 mph. Chance
of snow 30 percent.
.MONDAY NIGHT...Windy. Partly cloudy in the evening then becoming
mostly cloudy. Areas of blowing snow in the evening. A 40 percent
chance of snow. Lows 17 to 23. West winds 20 to 30 mph.
.TUESDAY...Windy. Partly cloudy. Highs 25 to 35.
.TUESDAY NIGHT...Breezy. Partly cloudy. A 30 percent chance of
snow after midnight. Lows 16 to 24.
.WEDNESDAY...Windy. Partly cloudy with chance of snow in the
morning, then mostly cloudy with snow likely in the afternoon.
Highs 24 to 34. Temperatures falling into the lower teens in the
afternoon. Chance of snow 60 percent. Lowest wind chill readings
14 below to 24 below zero in the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Cloudy. Snow likely in
the evening, then chance of snow after midnight. Lows 1 below to
7 above zero. Chance of snow 60 percent. Wind chill readings
19 below to 29 below zero.
.THURSDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow in the morning, then partly cloudy in the
afternoon. Highs 8 to 14. Wind chill readings 20 below to
30 below zero.
.THURSDAY NIGHT...Partly cloudy. Lows 2 below to 4 above zero.
Wind chill readings 17 below to 27 below zero.
.FRIDAY...Breezy. Partly cloudy. A 20 percent chance of snow in
the afternoon. Highs 12 to 18. Wind chill readings 14 below to
24 below zero.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 4 below to 4 above zero. Wind chill readings 19 below to
29 below zero.
.SATURDAY...Partly cloudy. Highs 10 to 16. Wind chill readings
19 below to 29 below zero.

$$

WYZ019-171100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1111 PM MST Sat Dec 16 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY...

.REST OF TONIGHT...Breezy. Snow late in the evening, then chance
of snow after midnight. Little or no new snow accumulation. Lows
11 to 17. North winds 15 to 25 mph. Chance of snow 90 percent.
.SUNDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly sunny. Highs 25 to 31.
Southwest winds 15 to 25 mph in the late morning and afternoon.
.SUNDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows 12 to 18. Southwest winds 15 to
25 mph.
.MONDAY...Breezy. Partly cloudy. Highs 30 to 36. Southwest winds
15 to 25 mph.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows 16 to 22. Southwest
winds 15 to 20 mph.
.TUESDAY...Breezy. Partly cloudy. Highs 32 to 38.
.TUESDAY NIGHT...Breezy. Partly cloudy. Lows 18 to 26.
.WEDNESDAY...Breezy. Partly cloudy with a 50 percent chance of
snow. Highs 34 to 40. Temperatures falling into the lower 20s in
the afternoon.
.WEDNESDAY NIGHT...Breezy. Much colder. Chance of snow in the
evening, then snow likely after midnight. Lows zero to 6 above.
Chance of snow 60 percent. Wind chill readings 14 below to
24 below zero.
.THURSDAY...Breezy. Much colder. Mostly cloudy. A 30 percent
chance of snow in the morning. Highs 6 to 12. Wind chill readings
16 below to 26 below zero.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 3 below to 11 below zero. Wind chill readings
21 below to 31 below zero.
.FRIDAY...Partly cloudy. Highs around 15. Lowest wind chill
readings 15 below to 25 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 7 below to 1 above
zero. Wind chill readings 19 below to 29 below zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 14. Wind chill readings 15 below to 25 below
zero.

$$

WYZ024-171100-
Salt River and Wyoming Ranges-
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Cloudy. Snow likely late in the evening, then
chance of snow after midnight. Little or no new snow
accumulation. Lows 9 to 15. Chance of snow 60 percent.
.SUNDAY...Breezy. Partly cloudy. Highs 21 to 27. Northwest winds
15 to 20 mph.
.SUNDAY NIGHT...Breezy. Partly cloudy until early morning then
becoming mostly cloudy. Scattered snow showers early in the
morning. Lows 9 to 15. Northwest winds 15 to 20 mph. Chance of
snow 40 percent.
.MONDAY...Breezy. Cloudy with scattered snow showers. Highs 25 to
31. West winds 15 to 20 mph. Chance of snow 40 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
snow. Lows 16 to 22. West winds 15 to 20 mph.
.TUESDAY...Breezy. Partly cloudy. Highs 30 to 36.
.TUESDAY NIGHT...Partly cloudy. A 30 percent chance of snow after
midnight. Lows 17 to 23.
.WEDNESDAY...Breezy. Snow likely. Highs 29 to 35. Chance of snow
60 percent.
.WEDNESDAY NIGHT...Colder, cloudy. Snow likely in the evening,
then chance of snow after midnight. Lows 5 to 11. Chance of snow
60 percent.
.THURSDAY...Colder. Mostly cloudy with a 20 percent chance of
snow in the morning, then partly cloudy in the afternoon. Highs
12 to 18.
.THURSDAY NIGHT...Partly cloudy. Lows 1 below to 5 above zero.
.FRIDAY...Partly cloudy. Highs 15 to 21.
.FRIDAY NIGHT...Partly cloudy. Lows 1 to 7.
.SATURDAY...Partly cloudy. Highs 15 to 21.

$$

WYZ030-171100-
East Sweetwater County-
Including the city of Wamsutter
1111 PM MST Sat Dec 16 2017

.REST OF TONIGHT...Snow late in the evening, then chance of snow
after midnight. Little or no new snow accumulation. Lows 14 to
18. North winds around 15 mph. Chance of snow 80 percent.
.SUNDAY...Breezy. Mostly cloudy then becoming partly cloudy early
in the afternoon then becoming mostly sunny. Highs 29 to 33. West
winds 15 to 20 mph in the late morning and afternoon.
.SUNDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows around 16. Southwest winds 15 to
20 mph.
.MONDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs 33 to 37. West winds 15 to 25 mph. Gusts up
to 40 mph in the afternoon.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows around 20. West winds
15 to 25 mph.
.TUESDAY...Breezy. Partly cloudy. Highs near 40.
.TUESDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows 19 to 23.
.WEDNESDAY...Breezy. Partly cloudy. A 50 percent chance of snow
in the afternoon. Highs near 40. Temperatures falling into the
lower 20s in the afternoon.
.WEDNESDAY NIGHT...Breezy, colder. Cloudy with a 50 percent
chance of snow. Lows 3 to 7.
.THURSDAY...Breezy. Much colder. Mostly cloudy. A 30 percent
chance of snow in the morning. Highs 9 to 13. Wind chill readings
12 below to 22 below zero.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 2 below to 7 below zero.
.FRIDAY...Partly cloudy. Highs 16 to 20. Lowest wind chill
readings 10 below to 20 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 15 to 20.

$$





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