Zone Forecast Product
Issued by NWS Riverton, WY

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934
FPUS55 KRIW 212143
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
242 PM MST Tue Feb 21 2017

WYZ020-221100-
Natrona County Lower Elevations-
Including the city of Casper
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Partly cloudy. A 30 percent chance
of rain early in the evening. Highs 54 to 59. Southwest winds
30 to 35 mph with gusts to around 70 mph.
.TONIGHT...Windy. Partly cloudy early in the evening then
becoming mostly cloudy. Chance of rain in the evening. Slight
chance of snow early in the evening. Lows 29 to 33. Southwest
winds 25 to 35 mph with gusts to around 50 mph becoming west
15 to 25 mph with gusts to around 40 mph in the late evening and
overnight. Chance of precipitation 30 percent.
.WEDNESDAY...Breezy, cooler. Partly cloudy until late afternoon,
then mostly cloudy with a 30 percent chance of snow late in the
afternoon. Highs 41 to 45. West winds 15 to 25 mph.
.WEDNESDAY NIGHT...Breezy. Chance of snow early in the evening,
then snow in the late evening and overnight. Snow accumulation of
4 to 6 inches. Lows around 23. West winds around 15 mph early in
the evening becoming north 15 to 25 mph after midnight. Chance of
snow 80 percent.
.THURSDAY...Breezy, colder. Areas of blowing snow in the morning.
Snow. Snow accumulation of 6 to 8 inches. Highs around 30.
Northeast winds 15 to 25 mph. Chance of snow 80 percent.
.THURSDAY NIGHT...Breezy, snow. Snow accumulation of 2 to
3 inches. Lows around 14. Northeast winds 15 to 20 mph in the
evening. Chance of snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Light snow accumulations. Highs in the mid 20s.
Chance of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 4 to 8.
.SATURDAY...Partly cloudy. Highs in the lower to mid 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 6 to 10.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs near 30.
.SUNDAY NIGHT...Mostly cloudy. Lows 17 to 21.
.MONDAY...Breezy. Not as cold. Partly cloudy. Highs near 40.
.MONDAY NIGHT...Breezy. Partly cloudy. A 20 percent chance of
snow after midnight. Lows 19 to 23.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the lower 30s.

$$

WYZ017-221100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
242 PM MST Tue Feb 21 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy with a 30 percent
chance of rain. Highs 50 to 54. Southwest winds 20 to 30 mph with
gusts to around 55 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of rain in the evening.
Chance of snow early in the evening. Lows 24 to 28. Southwest
winds 20 to 30 mph shifting to the west 15 to 20 mph in the late
evening and overnight. Chance of precipitation 30 percent.
.WEDNESDAY...Breezy. Partly cloudy. Highs 39 to 43. West winds
15 to 20 mph.
.WEDNESDAY NIGHT...Slight chance of snow early in the evening,
then snow in the late evening and overnight. Snow accumulation of
1 to 4 inches. Lows around 21. West winds around 15 mph early in
the evening becoming northwest around 15 mph early in the
morning. Chance of snow 80 percent.
.THURSDAY...Colder, snow. Snow accumulation of 2 to 6 inches.
Highs around 28. Northeast winds around 15 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows
12 to 16. North winds around 15 mph in the evening. Chance of
snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Highs in the mid 20s. Chance of snow
70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
snow in the evening, then partly cloudy after midnight. Lows 2 to
7.
.SATURDAY...Partly cloudy. Highs in the lower 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 3 to 7.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid 20s.
.SUNDAY NIGHT...Partly cloudy. Lows 13 to 17.
.MONDAY...Breezy. Not as cold. Partly cloudy. Highs in the mid to
upper 30s.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 16 to 20.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the lower 30s.

$$

WYZ018-221100-
Lander Foothills-
Including the city of Lander
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy with a 40 percent
chance of rain. Highs around 53. South winds 20 to 30 mph with
gusts to around 55 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of rain until early
morning. Chance of snow early in the evening. Lows around 27.
South winds 20 to 30 mph shifting to the southwest 15 to 20 mph
in the late evening and overnight. Chance of precipitation
40 percent.
.WEDNESDAY...Windy, colder. Partly cloudy. A 30 percent chance of
snow late in the afternoon. Highs around 40. West winds 20 to
30 mph decreasing to around 15 mph late in the afternoon.
.WEDNESDAY NIGHT...Chance of snow early in the evening, then snow
in the late evening and overnight. Snow accumulation of 2 to
3 inches. Lows around 21. West winds around 15 mph in the
evening. Chance of snow 80 percent.
.THURSDAY...Colder, snow. Snow accumulation of 4 to 5 inches.
Highs around 28. North winds around 15 mph in the afternoon.
Chance of snow 80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation around 2 inches. Lows
around 14. Chance of snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Light snow accumulations. Highs in the mid 20s.
Chance of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy in the evening then
becoming partly cloudy. Lows 3 to 7.
.SATURDAY...Partly cloudy. Highs in the mid 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 6 to 10.
.SUNDAY...Partly cloudy. Highs in the upper 20s.
.SUNDAY NIGHT...Partly cloudy. A 30 percent chance of snow after
midnight. Lows 16 to 20.
.MONDAY...Partly cloudy. Chance of snow in the morning, then
slight chance of rain and snow in the afternoon. Highs in the
upper 30s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 20 percent chance of snow. Lows around
19.
.TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs
in the lower 30s.

$$

WYZ028-221100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy. Mostly cloudy. Slight chance of
rain early in the evening, then chance of rain...possibly mixed
with snow early in the evening. Little or no snow accumulation.
Highs 44 to 48. Southwest winds 15 to 20 mph with gusts to around
40 mph. Chance of precipitation 50 percent.
.TONIGHT...Breezy. Mostly cloudy. Chance of rain...possibly mixed
with snow early in the evening, then chance of snow early in the
evening. Snow accumulation around 1 inch. Lows around 23. West
winds 15 to 25 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow. Highs 30 to 34. West winds 15 to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
snow. Lows around 18. Northwest winds around 15 mph early in the
evening.
.THURSDAY...Breezy. Snow likely. Snow accumulation of 1 to
2 inches. Highs around 25. West winds 15 to 20 mph in the
afternoon. Chance of snow 60 percent.
.THURSDAY NIGHT...Colder. Cloudy with snow likely. Snow
accumulation around 1 inch. Total snow accumulation 2 to
3 inches. Lows 7 to 11. Northwest winds around 15 mph after
midnight. Chance of snow 60 percent.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow. Highs
in the mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows zero to 5 above.
.SATURDAY...Partly cloudy in the morning, then mostly cloudy with
a 30 percent chance of snow in the afternoon. Highs 21 to 26.
.SATURDAY NIGHT...Mostly cloudy. Lows 5 to 10.
.SUNDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 26 to 31.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 16 to 21.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow...possibly mixed with rain in the afternoon. Highs
in the lower to mid 30s. Chance of precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 15 to 19.
.TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs
near 30.

$$

WYZ013-221100-
Jackson Hole-
Including the city of Jackson
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy, snow...possibly mixed with rain
early in the evening, then snow early in the evening. New snow
accumulation up to 1 inch. Highs around 39. Southwest winds 15 to
20 mph with gusts to around 40 mph. Chance of precipitation
90 percent.
.TONIGHT...Breezy. Snow, then chance of snow early in the
morning. Areas of blowing snow early in the evening. Snow
accumulation around 2 inches. Lows 19 to 23. Southwest winds
15 to 20 mph. Chance of snow 90 percent.
.WEDNESDAY...Breezy, colder. Cloudy with a 50 percent chance of
snow. Snow accumulation around 1 inch. Total snow accumulation
4 to 7 inches. Highs around 29. Southwest winds 15 to 20 mph.
.WEDNESDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance
of snow. Lows 11 to 15. Southwest winds around 15 mph early in
the evening.
.THURSDAY...Chance of snow in the morning, then snow likely in
the afternoon. Snow accumulation around 1 inch. Highs around 23.
West winds around 15 mph in the afternoon. Chance of snow
60 percent.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Total snow accumulation around
2 inches. Lows 7 to 11.
.FRIDAY...Cloudy with a 40 percent chance of snow. Highs in the
lower 20s.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Lows 3 to 7.
.SATURDAY...Mostly cloudy with a 50 percent chance of snow. Highs
19 to 23.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 6 to 11.
.SUNDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the mid 20s.
.SUNDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Lows 16 to 20. Chance of snow 60 percent.
.MONDAY...Snow likely. Highs in the lower 30s. Chance of snow
70 percent.
.MONDAY NIGHT...Snow likely in the evening, then chance of snow
after midnight. Lows 14 to 18. Chance of snow 70 percent.
.TUESDAY...Cloudy with a 40 percent chance of snow. Highs in the
upper 20s.

$$

WYZ003-221100-
Cody Foothills-
Including the cities of Cody and Meeteetse
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
MST WEDNESDAY...

.LATE THIS AFTERNOON...Breezy. Mostly cloudy with a 30 percent
chance of rain and snow. Highs 48 to 53. Southwest winds 15 to
25 mph with gusts to around 45 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of snow...possibly mixed
with rain in the evening, then slight chance of snow late in the
evening. Lows 27 to 32. West winds 20 to 30 mph. Gusts up to
45 mph early in the morning. Chance of precipitation 30 percent.
.WEDNESDAY...Windy, colder. Mostly cloudy. Chance of snow...
possibly mixed with rain in the afternoon. Highs 36 to 41. West
winds 20 to 30 mph with gusts to around 45 mph decreasing to
15 to 20 mph late in the afternoon. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Breezy, colder, cloudy. Chance of snow in the
evening, then snow likely after midnight. Snow accumulation
around 1 inch. Lows 19 to 23. North winds 15 to 20 mph. Chance of
snow 60 percent.
.THURSDAY...Breezy. Cloudy with a 50 percent chance of snow. Snow
accumulation of 1 to 2 inches. Total snow accumulation 2 to
3 inches. Highs 25 to 30. North winds 15 to 20 mph.
.THURSDAY NIGHT...Cloudy with a 30 percent chance of snow. Lows
14 to 18. North winds around 15 mph in the evening.
.FRIDAY...Cloudy with a 30 percent chance of snow. Highs 22 to
27.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 9 to 13.
.SATURDAY...Partly cloudy. Highs 23 to 28.
.SATURDAY NIGHT...Partly cloudy. Lows 10 to 14.
.SUNDAY...Partly cloudy. Highs near 30.
.SUNDAY NIGHT...Partly cloudy. Lows 16 to 20.
.MONDAY...Partly cloudy with a 30 percent chance of snow. Highs
in the lower to mid 30s.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows around 18.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 20 percent chance of snow. Highs in the lower to mid
30s.

$$

WYZ004-221100-
North Big Horn Basin-
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy. Mostly cloudy with a 30 percent
chance of rain. Highs around 53. West winds 15 to 20 mph with
gusts to around 40 mph.
.TONIGHT...Breezy. Mostly cloudy. Chance of rain in the evening.
Chance of snow early in the evening. Lows 26 to 30. Southwest
winds 15 to 20 mph. Chance of precipitation 30 percent.
.WEDNESDAY...Colder. Partly cloudy in the morning then becoming
mostly cloudy. Slight chance of rain in the late morning and
afternoon. Chance of snow late in the afternoon. Highs around 41.
Southwest winds around 15 mph shifting to the northwest early in
the afternoon. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Breezy. Cloudy with a 40 percent chance of
snow. Lows around 23. North winds 15 to 20 mph in the late
evening and overnight.
.THURSDAY...Breezy. Cloudy with a 40 percent chance of snow.
Highs around 32. North winds 15 to 20 mph.
.THURSDAY NIGHT...Cloudy with a 20 percent chance of snow. Lows
around 17. North winds around 15 mph in the evening.
.FRIDAY...Mostly cloudy with a 20 percent chance of snow. Highs
near 30.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows around 12.
.SATURDAY...Partly cloudy. Highs in the mid 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 9 to 13.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 30.
.SUNDAY NIGHT...Partly cloudy. Lows 14 to 18.
.MONDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs in the lower to mid 30s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 15 to 19.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the lower 30s.

$$

WYZ006-221100-
Southeast Big Horn Basin-
Including the city of Worland
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy. Mostly cloudy with a 30 percent
chance of rain. Highs 52 to 56. Southwest winds 15 to 20 mph with
gusts to around 45 mph.
.TONIGHT...Breezy. Mostly cloudy. Chance of rain in the evening.
Chance of snow early in the evening. Lows 26 to 30. Southwest
winds 15 to 20 mph. Chance of precipitation 30 percent.
.WEDNESDAY...Breezy, colder. Partly cloudy until late afternoon
then becoming mostly cloudy. Highs 40 to 44. Southwest winds
15 to 20 mph early in the morning.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of snow in the evening,
then snow after midnight. Chance of snow early in the morning.
Snow accumulation up to 1 inch. Lows around 24. Northwest winds
around 15 mph early in the morning. Chance of snow 80 percent.
.THURSDAY...Cloudy with snow likely. Snow accumulation around
1 inch. Total snow accumulation 1 to 2 inches. Highs around 33.
Northwest winds around 15 mph. Chance of snow 70 percent.
.THURSDAY NIGHT...Cloudy with a 30 percent chance of snow. Lows
around 18.
.FRIDAY...Mostly cloudy. Snow likely in the morning, then chance
of snow in the afternoon. Highs in the upper 20s. Chance of snow
70 percent.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows around 11.
.SATURDAY...Partly cloudy. Highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows around 9.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 14 to 18.
.MONDAY...Partly cloudy. Highs in the mid 30s to lower 40s.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows 16 to 20.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the mid 30s.

$$

WYZ005-221100-
Southwest Big Horn Basin-
Including the city of Thermopolis
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

.LATE THIS AFTERNOON...Breezy. Mostly cloudy with a 20 percent
chance of rain. Highs 54 to 58. Southwest winds 15 to 25 mph with
gusts to around 45 mph.
.TONIGHT...Breezy. Mostly cloudy until early morning then
becoming partly cloudy. Slight chance of rain until early
morning. Slight chance of snow early in the evening. Lows 28 to
32. Southwest winds 15 to 25 mph. Gusts up to 40 mph early in the
morning. Chance of precipitation 20 percent.
.WEDNESDAY...Breezy, cooler. Partly cloudy in the morning then
becoming mostly cloudy. Chance of snow through the day. Slight
chance of rain in the afternoon. Highs 41 to 45. West winds 15 to
25 mph with gusts to around 40 mph in the morning. Chance of
precipitation 30 percent.
.WEDNESDAY NIGHT...Breezy. Chance of snow...possibly mixed with
rain in the evening, then snow after midnight. Snow accumulation
around 1 inch. Lows around 24. North winds 15 to 20 mph in the
late evening and overnight. Chance of precipitation 80 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 1 to 2 inches.
Highs 30 to 34. North winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation around 1 inch. Lows
17 to 21. North winds around 15 mph in the evening. Chance of
snow 80 percent.
.FRIDAY...Mostly cloudy. Snow likely in the morning, then chance
of snow in the afternoon. Highs in the mid to upper 20s. Chance
of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 9 to 13.
.SATURDAY...Partly cloudy. Highs in the mid 20s to lower 30s.
.SATURDAY NIGHT...Partly cloudy. Lows around 9.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs near 30.
.SUNDAY NIGHT...Partly cloudy. Lows 15 to 19.
.MONDAY...Not as cold. Partly cloudy. Highs near 40.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows 18 to 22.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the mid to upper 30s.

$$

WYZ023-221100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy, rain...possibly mixed with snow
early in the evening, then snow early in the evening. New snow
accumulation up to 1 inch. Highs around 42. Southwest winds 15 to
20 mph with gusts to around 35 mph. Chance of precipitation near
100 percent.
.TONIGHT...Snow, then chance of snow early in the morning. Snow
accumulation around 3 inches. Lows around 22. Southwest winds
around 15 mph early in the evening. Chance of snow 90 percent.
.WEDNESDAY...Colder. Cloudy with a 50 percent chance of snow.
Snow accumulation up to 1 inch. Total snow accumulation 3 to
6 inches. Highs around 30. Southwest winds around 15 mph in the
late morning and early afternoon.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of
snow. Lows around 14.
.THURSDAY...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Highs around 25.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Total snow accumulation around
2 inches. Lows 8 to 12.
.FRIDAY...Cloudy with a 40 percent chance of snow. Highs in the
lower 20s.
.FRIDAY NIGHT...Mostly cloudy. Lows 3 to 7.
.SATURDAY...Cloudy. A 30 percent chance of snow in the afternoon.
Highs in the mid 20s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 7 to 11.
.SUNDAY...Mostly cloudy. A 30 percent chance of snow in the
afternoon. Highs in the upper 20s.
.SUNDAY NIGHT...Not as cold. Chance of snow in the evening, then
snow likely after midnight. Lows around 20. Chance of snow
60 percent.
.MONDAY...Snow likely. Highs in the mid 30s. Chance of snow
70 percent.
.MONDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Lows around 18. Chance of snow
70 percent.
.TUESDAY...Cloudy with a 40 percent chance of snow. Highs in the
upper 20s.

$$

WYZ025-221100-
Upper Green River Basin Foothills-
Including the city of Pinedale
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy, snow...possibly mixed with rain
early in the evening, then snow early in the evening. New snow
accumulation up to 1 inch. Highs around 38. Southwest winds 15 to
25 mph with gusts to around 45 mph. Chance of precipitation
90 percent.
.TONIGHT...Breezy. Snow, then chance of snow early in the
morning. Snow accumulation around 2 inches. Total snow
accumulation 2 to 5 inches. Lows around 17. West winds 15 to
25 mph. Chance of snow 90 percent.
.WEDNESDAY...Colder. Cloudy with a 50 percent chance of snow.
Little or no snow accumulation. Highs around 27.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of
snow. Lows 10 to 14.
.THURSDAY...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Highs around 22. West winds around
15 mph in the afternoon.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Total snow accumulation around
2 inches. Lows around 6 above.
.FRIDAY...Cloudy with a 40 percent chance of snow. Highs around
20.
.FRIDAY NIGHT...Colder. Mostly cloudy in the evening then
becoming partly cloudy. Lows 4 below to zero.
.SATURDAY...Mostly cloudy. A 30 percent chance of snow in the
afternoon. Highs around 18.
.SATURDAY NIGHT...Mostly cloudy. Lows zero to 4 above.
.SUNDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs in the lower 20s.
.SUNDAY NIGHT...Not as cold. Chance of snow in the evening, then
snow likely after midnight. Lows around 14. Chance of snow
60 percent.
.MONDAY...Snow likely. Highs in the upper 20s. Chance of snow
70 percent.
.MONDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Lows 10 to 14. Chance of snow 60 percent.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow. Highs
in the mid 20s.

$$

WYZ026-221100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Windy. Rain and snow likely early in the
evening, then snow likely...possibly mixed with rain early in the
evening. Little or no new snow accumulation. Highs 39 to 43.
Southwest winds 20 to 30 mph with gusts to around 45 mph. Chance
of precipitation 60 percent.
.TONIGHT...Windy, cloudy. Chance of rain early in the evening.
Snow likely, then chance of snow early in the morning. Snow
accumulation of 1 to 2 inches. Lows around 19. Southwest winds
20 to 30 mph shifting to the west 15 to 20 mph in the late
evening and overnight. Chance of precipitation 60 percent.
.WEDNESDAY...Colder. Mostly cloudy with a 30 percent chance of
snow. Highs around 29. West winds around 15 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
snow. Lows 13 to 17. West winds around 15 mph early in the
evening.
.THURSDAY...Cloudy with a 40 percent chance of snow. Highs around
23. West winds around 15 mph in the afternoon.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Lows around 6 above.
.FRIDAY...Mostly cloudy with a 40 percent chance of snow. Highs
in the lower 20s.
.FRIDAY NIGHT...Colder. Partly cloudy. Lows 3 below to 7 below
zero.
.SATURDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 16 to 20. Lowest wind chill readings 13 below to
23 below zero in the morning.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 1 below to 3 above zero.
.SUNDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs in the lower 20s.
.SUNDAY NIGHT...Not as cold. Mostly cloudy. Chance of snow in the
evening, then snow likely after midnight. Lows around 13. Chance
of snow 60 percent.
.MONDAY...Mostly cloudy with a 50 percent chance of snow. Highs
around 30.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Lows 11 to 15.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the mid 20s.

$$

WYZ010-221100-
Northeast Johnson County-
Including the city of Buffalo
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

.LATE THIS AFTERNOON...Breezy. Mostly cloudy. A 20 percent chance
of rain early in the evening. Highs 57 to 61. Southwest winds
15 to 25 mph with gusts to around 40 mph.
.TONIGHT...Breezy. Mostly cloudy. Slight chance of rain in the
evening, then slight chance of rain and snow late in the evening.
Lows around 32. Southwest winds 15 to 20 mph in the evening
becoming southwest 15 to 20 mph early in the morning. Chance of
precipitation 20 percent.
.WEDNESDAY...Breezy, cooler. Partly cloudy in the morning, then
mostly cloudy with slight chance of rain early in the afternoon.
Mostly cloudy with chance of snow...possibly mixed with rain and
late in the afternoon. Highs 42 to 46. Northwest winds 15 to
20 mph. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Cloudy. Slight chance of rain in the evening.
Chance of snow until early morning, then snow likely early in the
morning. Snow accumulation around 1 inch. Lows around 24. North
winds around 15 mph after midnight. Chance of precipitation
60 percent.
.THURSDAY...Breezy, colder. Snow likely. Snow accumulation of
2 to 3 inches. Total snow accumulation 3 to 4 inches. Highs 30 to
34. North winds 15 to 20 mph. Chance of snow 70 percent.
.THURSDAY NIGHT...Breezy. Cloudy with a 40 percent chance of
snow. Lows around 16. North winds 15 to 20 mph in the evening.
.FRIDAY...Cloudy with a 40 percent chance of snow. Highs in the
upper 20s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows around 10.
.SATURDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs in the mid to upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows around 10.
.SUNDAY...Partly cloudy. Highs around 30.
.SUNDAY NIGHT...Partly cloudy. Lows around 16.
.MONDAY...Partly cloudy. Highs in the mid 30s.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows around 18.
.TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs
in the lower 30s.

$$

WYZ011-221100-
Southeast Johnson County-
Including the city of Kaycee
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Partly cloudy. Highs 58 to 62.
Southwest winds 25 to 35 mph with gusts to around 55 mph.
.TONIGHT...Windy. Partly cloudy with slight chance of rain in the
evening, then mostly cloudy with slight chance of rain and snow
late in the evening. Mostly cloudy early in the morning. Lows
around 34. Southwest winds 20 to 30 mph with gusts to around
45 mph decreasing to 15 to 20 mph in the late evening and
overnight. Chance of precipitation 20 percent.
.WEDNESDAY...Breezy, cooler. Partly cloudy until late afternoon,
then mostly cloudy with a 20 percent chance of snow late in the
afternoon. Highs 43 to 47. Northwest winds 15 to 20 mph.
.WEDNESDAY NIGHT...Colder. Slight chance of snow early in the
evening, then snow in the late evening and overnight. Snow
accumulation of 1 to 4 inches. Lows around 24. North winds around
15 mph. Chance of snow 80 percent.
.THURSDAY...Breezy, colder, snow. Snow accumulation of 3 to
5 inches. Highs around 32. North winds 15 to 20 mph. Chance of
snow 80 percent.
.THURSDAY NIGHT...Breezy, snow. Snow accumulation around 1 inch.
Lows around 16. North winds 15 to 20 mph in the evening. Chance
of snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Highs in the upper 20s. Chance of snow
70 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows around 9.
.SATURDAY...Partly cloudy. Highs in the mid 20s.
.SATURDAY NIGHT...Partly cloudy. Lows around 8.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower 30s.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 18.
.MONDAY...Partly cloudy. Highs around 40.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows around 20.
.TUESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs in the mid 30s.

$$

WYZ027-221100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy. Rain likely...possibly mixed with
snow early in the evening, then snow...possibly mixed with rain
early in the evening. Little or no new snow accumulation. Highs
around 42. Southwest winds 20 to 25 mph with gusts to around
40 mph. Chance of precipitation 90 percent.
.TONIGHT...Breezy. Rain likely early in the evening. Snow, then
chance of snow early in the morning. Snow accumulation of 1 to
2 inches. Lows around 20. West winds 15 to 25 mph. Chance of
precipitation 90 percent.
.WEDNESDAY...Breezy, colder. Cloudy with a 50 percent chance of
snow. Snow accumulation up to 1 inch. Total snow accumulation
1 to 3 inches. Highs around 30. West winds 15 to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of
snow. Lows around 16. West winds around 15 mph early in the
evening becoming northwest around 15 mph early in the morning.
.THURSDAY...Cloudy with a 40 percent chance of snow. Highs 21 to
25. West winds around 15 mph.
.THURSDAY NIGHT...Colder. Cloudy with a 40 percent chance of
snow. Lows 5 to 9.
.FRIDAY...Mostly cloudy with a 30 percent chance of snow. Highs
in the lower 20s.
.FRIDAY NIGHT...Partly cloudy. Lows zero to 4 above.
.SATURDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 20 percent chance of snow. Highs in the lower to mid
20s.
.SATURDAY NIGHT...Mostly cloudy. Lows 5 to 9.
.SUNDAY...Mostly cloudy. Highs in the mid 20s.
.SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Lows around 17.
.MONDAY...Mostly cloudy with a 40 percent chance of snow. Highs
in the lower 30s.
.MONDAY NIGHT...Mostly cloudy. Snow likely in the evening, then
chance of snow after midnight. Lows 13 to 17. Chance of snow
60 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the upper 20s.

$$

WYZ016-221100-
Upper Wind River Basin-
Including the city of Dubois
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy, snow...possibly mixed with rain
early in the evening, then snow likely...possibly mixed with rain
early in the evening. Little or no new snow accumulation. Highs
43 to 48. West winds 15 to 20 mph with gusts to around 35 mph.
Chance of precipitation 90 percent.
.TONIGHT...Breezy, cloudy. Chance of rain early in the evening.
Snow likely in the evening, then chance of snow late in the
evening. Snow accumulation up to 1 inch. Lows 21 to 25. West
winds 15 to 20 mph. Chance of precipitation 60 percent.
.WEDNESDAY...Windy, colder. Mostly cloudy with a 20 percent
chance of snow. Highs 31 to 36. West winds 20 to 30 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Chance of snow until early
morning, then snow likely early in the morning. Snow accumulation
up to 1 inch. Lows 14 to 19. Northwest winds around 15 mph until
early morning. Chance of snow 60 percent.
.THURSDAY...Snow likely. Snow accumulation of 1 to 2 inches.
Highs 22 to 26. East winds around 15 mph in the afternoon. Chance
of snow 60 percent.
.THURSDAY NIGHT...Cloudy with snow likely. Snow accumulation
around 1 inch. Lows 10 to 14. Chance of snow 70 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Highs 19 to 23. Chance of snow 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow in
the evening, then partly cloudy after midnight. Lows 5 to 9.
.SATURDAY...Partly cloudy. Highs in the lower to mid 20s.
.SATURDAY NIGHT...Partly cloudy. Lows around 9.
.SUNDAY...Partly cloudy. Highs in the mid 20s.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows around 17.
.MONDAY...Not as cold. Mostly cloudy. Chance of snow in the
morning, then snow likely...possibly mixed with rain in the
afternoon. Highs 34 to 39. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy. Snow likely in the evening, then
chance of snow after midnight. Lows 16 to 20. Chance of snow
60 percent.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 20 percent chance of snow. Highs near 30.

$$

WYZ001-221100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...

.LATE THIS AFTERNOON...Windy, snow. Areas of blowing snow. New
snow accumulation up to 1 inch. Highs 31 to 37. Southwest winds
25 to 30 mph with gusts to around 50 mph. Chance of snow
90 percent.
.TONIGHT...Breezy. Areas of blowing snow. Snow. Snow accumulation
of 1 to 2 inches. Lows 14 to 20. Southwest winds 15 to 25 mph.
Gusts up to 40 mph in the evening. Chance of snow 90 percent.
.WEDNESDAY...Breezy. Snow likely. Snow accumulation of 1 to
2 inches. Highs 22 to 28. Southwest winds 15 to 25 mph. Chance of
snow 70 percent.
.WEDNESDAY NIGHT...Colder. Chance of snow until early morning,
then snow likely early in the morning. Snow accumulation around
1 inch. Lows 7 to 13. Southwest winds around 15 mph early in the
evening becoming north around 15 mph early in the morning. Chance
of snow 60 percent.
.THURSDAY...Breezy. Snow likely. Snow accumulation around 1 inch.
Highs 17 to 23. Northeast winds 15 to 20 mph. Chance of snow
60 percent.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation up to 1 inch. Lows 2 to 8.
.FRIDAY...Cloudy with a 50 percent chance of snow. Highs 15 to
21.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Lows 1 below to 5 above zero.
.SATURDAY...Mostly cloudy with a 40 percent chance of snow. Highs
14 to 20.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 1 to 7.
.SUNDAY...Mostly cloudy. Highs 19 to 25.
.SUNDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Lows 10 to 16. Chance of snow 60 percent.
.MONDAY...Snow likely. Highs 24 to 30. Chance of snow 70 percent.
.MONDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Lows 7 to 13. Chance of snow 60 percent.
.TUESDAY...Cloudy with a 40 percent chance of snow. Highs 21 to
27.

$$

WYZ029-221100-
Flaming Gorge-
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Breezy. Mostly cloudy. A 30 percent chance
of rain and snow early in the evening. Highs 46 to 51. South
winds 20 to 25 mph with gusts to around 45 mph.
.TONIGHT...Breezy. Mostly cloudy. Chance of rain and snow early
in the evening, then chance of snow early in the evening. Lows
around 25. Southwest winds 15 to 25 mph shifting to the west
15 to 20 mph after midnight. Chance of precipitation 30 percent.
.WEDNESDAY...Colder. Mostly cloudy. Chance of snow until late
afternoon. Chance of rain early in the afternoon, then snow
likely late in the afternoon. Snow accumulation up to 1 inch.
Highs 32 to 36. Northwest winds around 15 mph. Chance of
precipitation 70 percent.
.WEDNESDAY NIGHT...Snow likely. Snow accumulation of 1 to
2 inches. Lows around 19. Northwest winds around 15 mph early in
the evening becoming northwest around 15 mph early in the
morning. Chance of snow 70 percent.
.THURSDAY...Breezy. Snow likely. Snow accumulation of 1 to
3 inches. Highs 25 to 29. Northwest winds 15 to 20 mph. Chance of
snow 60 percent.
.THURSDAY NIGHT...Snow likely. Snow accumulation of 1 to
2 inches. Total snow accumulation 3 to 8 inches. Lows around 11.
Northwest winds around 15 mph after midnight. Chance of snow
60 percent.
.FRIDAY...Mostly cloudy with a 40 percent chance of snow. Highs
in the 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 3 to 7.
.SATURDAY...Partly cloudy in the morning, then mostly cloudy with
a 30 percent chance of snow in the afternoon. Highs in the mid to
upper 20s.
.SATURDAY NIGHT...Mostly cloudy. Lows 7 to 11.
.SUNDAY...Mostly cloudy. Highs near 30.
.SUNDAY NIGHT...Not as cold. Mostly cloudy with a 30 percent
chance of snow. Lows in the lower to mid 20s.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain and snow in the afternoon. Highs in the mid to
upper 30s. Chance of precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows around 20.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 20 percent chance of snow. Highs in the lower to mid
30s.

$$

WYZ022-221100-
Casper Mountain-
242 PM MST Tue Feb 21 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy. A 50 percent chance
of rain...possibly mixed with snow early in the evening. Little
or no snow accumulation. Highs 44 to 50. Southwest winds 25 to
35 mph with gusts to around 60 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of rain...possibly mixed
with snow in the evening, then chance of snow late in the
evening. Snow accumulation around 1 inch. Lows 24 to 30.
Southwest winds 20 to 30 mph with gusts to around 45 mph shifting
to the west 15 to 20 mph early in the morning. Chance of
precipitation 50 percent.
.WEDNESDAY...Windy. Mostly cloudy. Chance of snow early in the
morning, then chance of snow...possibly mixed with rain in the
late morning and afternoon. Little or no snow accumulation. Highs
33 to 39. West winds 20 to 30 mph. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Windy, colder. Chance of snow early in the
evening, then snow in the late evening and overnight. Areas of
blowing snow early in the morning. Snow accumulation of 8 to
10 inches. Lows 17 to 23. West winds 15 to 20 mph shifting to the
north 20 to 30 mph early in the morning. Chance of snow
90 percent.
.THURSDAY...Windy, snow. Areas of blowing snow. Snow accumulation
of 10 to 11 inches. Highs 22 to 28. Northeast winds 20 to 30 mph.
Chance of snow near 100 percent.
.THURSDAY NIGHT...Breezy, colder, snow. Snow accumulation around
3 inches. Lows 8 to 14. Northeast winds 15 to 20 mph in the
evening. Chance of snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Light snow accumulations. Highs 18 to 24.
Chance of snow 70 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 2 to 8.
.SATURDAY...Partly cloudy. Highs 17 to 23.
.SATURDAY NIGHT...Partly cloudy. Lows 5 to 11.
.SUNDAY...Partly cloudy. Highs 23 to 29.
.SUNDAY NIGHT...Mostly cloudy. Lows 16 to 22.
.MONDAY...Breezy. Not as cold. Mostly cloudy in the morning then
becoming partly cloudy. Highs 31 to 37.
.MONDAY NIGHT...Breezy. Partly cloudy. A 20 percent chance of
snow after midnight. Lows 17 to 23.
.TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs
26 to 32.

$$

WYZ002-221100-
Absaroka Mountains-
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...

.LATE THIS AFTERNOON...Windy, snow. Areas of blowing snow. New
snow accumulation up to 1 inch. Highs 31 to 39. West winds 20 to
30 mph with gusts to around 55 mph. Chance of snow near
100 percent.
.TONIGHT...Windy. Areas of blowing snow. Snow. Snow accumulation
of 1 to 2 inches. Lows 13 to 21. West winds 20 to 30 mph. Chance
of snow near 100 percent.
.WEDNESDAY...Windy. Cloudy with snow likely. Snow accumulation up
to 1 inch. Highs 19 to 29. West winds 20 to 30 mph. Chance of
snow 70 percent.
.WEDNESDAY NIGHT...Breezy, colder. Snow likely. Snow accumulation
of 1 to 2 inches. Lows 5 to 13. West winds 15 to 20 mph shifting
to the north after midnight. Chance of snow 70 percent.
.THURSDAY...Breezy. Snow likely. Snow accumulation of 1 to
2 inches. Highs 13 to 21. Northeast winds 15 to 20 mph. Chance of
snow 70 percent.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation of 1 to 2 inches. Lows 4 to 10.
.FRIDAY...Cloudy with snow likely. Light snow accumulations.
Highs 12 to 18. Chance of snow 60 percent.
.FRIDAY NIGHT...Mostly 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 16 below to
26 below zero.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs
11 to 19. Wind chill readings 17 below to 27 below zero.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. A 30 percent chance of snow. Lows 2 to 8.
Wind chill readings 18 below to 28 below zero.
.SUNDAY...Partly cloudy. Highs 16 to 24. Lowest wind chill
readings 15 below to 25 below zero in the morning.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 10 to 16.
.MONDAY...Chance of snow in the morning, then snow likely in the
afternoon. Highs 22 to 30. Chance of snow 70 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy. Snow likely in the
evening, then chance of snow after midnight. Lows 10 to 16.
Chance of snow 60 percent.
.TUESDAY...Breezy. Mostly cloudy with a 30 percent chance of
snow. Highs 18 to 26.

$$

WYZ007-221100-
Owl Creek and Bridger Mountains-
242 PM MST Tue Feb 21 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy with a 30 percent
chance of rain...possibly mixed with snow. Highs 45 to 51.
Southwest winds 20 to 30 mph with gusts to around 55 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of rain and snow until
early morning, then slight chance of snow after midnight. Lows
25 to 31. West winds 20 to 30 mph. Chance of precipitation
30 percent.
.WEDNESDAY...Windy. Partly cloudy in the morning, then mostly
cloudy with chance of snow...possibly mixed with rain in the
afternoon. Highs 34 to 40. West winds 20 to 30 mph in the
morning. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Breezy, colder. Chance of snow early in the
evening, then snow in the late evening and overnight. Snow
accumulation of 1 to 3 inches. Lows 17 to 23. North winds 15 to
20 mph in the late evening and overnight. Chance of snow
80 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 2 to 5 inches.
Highs 24 to 30. North winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows
14 to 20. North winds around 15 mph. Chance of snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Light snow accumulations. Highs 20 to 26.
Chance of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 7 to 13.
.SATURDAY...Partly cloudy. Highs 20 to 26.
.SATURDAY NIGHT...Partly cloudy. Lows around 10.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 24 to 30.
.SUNDAY NIGHT...Partly cloudy. Lows around 17.
.MONDAY...Not as cold. Partly cloudy. Highs 32 to 38.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows around 20.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow in the
morning, then partly cloudy in the afternoon. Highs 28 to 34.

$$

WYZ008-221100-
Bighorn Mountains West-
242 PM MST Tue Feb 21 2017

.LATE THIS AFTERNOON...Windy. Cloudy with snow likely...possibly
mixed with rain. Areas of blowing snow. Little or no new snow
accumulation. Highs 37 to 47. Southwest winds 20 to 30 mph with
gusts to around 50 mph. Chance of precipitation 60 percent.
.TONIGHT...Windy, cloudy. Areas of blowing snow until early
morning. Chance of rain early in the evening. Snow likely in the
evening. Chance of snow late in the evening. Snow accumulation up
to 2 inches. Lows 17 to 27. Southwest winds 20 to 30 mph
decreasing to 15 to 20 mph in the late evening and overnight.
Chance of precipitation 60 percent.
.WEDNESDAY...Breezy. Mostly cloudy with a 40 percent chance of
snow. Highs 25 to 35. West winds 15 to 20 mph.
.WEDNESDAY NIGHT...Breezy, colder, snow. Snow accumulation of
1 to 3 inches. Lows 12 to 22. Northeast winds 15 to 20 mph in the
late evening and overnight. Chance of snow 90 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 2 to 4 inches.
Highs 18 to 28. Northeast winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Colder. Cloudy with snow. Snow accumulation of
1 to 2 inches. Lows 7 to 17. Chance of snow 80 percent.
.FRIDAY...Cloudy with snow likely. Light snow accumulations.
Highs 14 to 24. Chance of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 2 to 12. Wind chill readings 18 below to 28 below
zero.
.SATURDAY...Partly cloudy. Highs 13 to 23. Wind chill readings
18 below to 28 below zero.
.SATURDAY NIGHT...Partly cloudy. Lows 3 to 11. Wind chill
readings 19 below to 29 below zero.
.SUNDAY...Not as cold. Partly cloudy. Highs 21 to 29. Lowest wind
chill readings 18 below to 28 below zero in the morning.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 11 to 19.
.MONDAY...Mostly cloudy with a 30 percent chance of snow. Highs
25 to 35.
.MONDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 10 to 20. Wind chill readings 10 below to 20 below zero.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 23 to 31.

$$

WYZ009-221100-
Bighorn Mountains Southeast-
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy. Chance of rain and
snow early in the evening, then snow likely...possibly mixed with
rain early in the evening. Areas of blowing snow through the day.
Little or no new snow accumulation. Highs 39 to 49. Southwest
winds 25 to 35 mph with gusts to around 60 mph. Chance of
precipitation 60 percent.
.TONIGHT...Windy, cloudy. Areas of blowing snow until early
morning. Chance of rain early in the evening. Snow likely in the
evening. Chance of snow late in the evening. Snow accumulation up
to 2 inches. Lows 19 to 29. West winds 20 to 30 mph. Gusts up to
45 mph early in the evening. Chance of precipitation 60 percent.
.WEDNESDAY...Windy. Mostly cloudy with a 40 percent chance of
snow. Highs 27 to 37. West winds 20 to 30 mph decreasing to
around 15 mph late in the afternoon.
.WEDNESDAY NIGHT...Colder, snow. Snow accumulation of 2 to
4 inches. Lows 12 to 20. Northwest winds around 15 mph shifting
to the northeast after midnight. Chance of snow 90 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 3 to 6 inches.
Highs 18 to 26. Northeast winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation of 2 to 3 inches. Lows
7 to 15. Northeast winds around 15 mph. Chance of snow
80 percent.
.FRIDAY...Snow likely. Light snow accumulations. Highs 14 to 22.
Chance of snow 70 percent. Wind chill readings 11 below to
21 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 2 to 8. Wind chill readings 18 below to 28 below zero.
.SATURDAY...Partly cloudy. Highs 15 to 21. Wind chill readings
18 below to 28 below zero.
.SATURDAY NIGHT...Partly cloudy. Lows 3 to 9. Wind chill readings
19 below to 29 below zero.
.SUNDAY...Partly cloudy. Highs 22 to 28. Lowest wind chill
readings 18 below to 28 below zero in the morning.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 12 to 18.
.MONDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. Highs 27 to 35.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows 11 to
19. Wind chill readings 10 below to 20 below zero.
.TUESDAY...Partly cloudy with a 30 percent chance of snow. Highs
24 to 30.

$$

WYZ012-221100-
Teton and Gros Ventre Mountains-
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...

.LATE THIS AFTERNOON...Windy, snow. Areas of blowing snow. New
snow accumulation around 1 inch. Highs 32 to 38. West winds 20 to
30 mph with gusts to around 60 mph. Chance of snow near
100 percent.
.TONIGHT...Windy. Areas of blowing snow. Snow. Snow accumulation
of 2 to 3 inches. Lows 14 to 20. Southwest winds 20 to 30 mph.
Chance of snow near 100 percent.
.WEDNESDAY...Breezy. Snow likely. Snow accumulation of 1 to
2 inches. Highs 21 to 27. Southwest winds 15 to 25 mph. Chance of
snow 70 percent.
.WEDNESDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation up to 1 inch. Lows 8 to 14. Southwest winds around
15 mph early in the evening.
.THURSDAY...Snow likely. Snow accumulation of 1 to 2 inches.
Highs 17 to 23. North winds around 15 mph in the afternoon.
Chance of snow 60 percent.
.THURSDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Snow accumulation of 1 to 2 inches. Lows
5 to 11. Chance of snow 60 percent.
.FRIDAY...Cloudy with snow likely. Light snow accumulations.
Highs 14 to 20. Chance of snow 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Lows 2 to 8.
.SATURDAY...Mostly cloudy with a 40 percent chance of snow. Highs
14 to 20.
.SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 4 to 10.
.SUNDAY...Mostly cloudy with a 20 percent chance of snow. Highs
19 to 25.
.SUNDAY NIGHT...Snow likely. Lows 13 to 19. Chance of snow
70 percent.
.MONDAY...Snow likely. Highs 24 to 30. Chance of snow 70 percent.
.MONDAY NIGHT...Snow likely. Lows 11 to 17. Chance of snow
70 percent.
.TUESDAY...Cloudy with a 40 percent chance of snow. Highs 20 to
26.

$$

WYZ014-221100-
Wind River Mountains West-
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Very windy. Snow. Areas of blowing snow.
New snow accumulation around 1 inch. Highs 30 to 38. Southwest
winds 30 to 40 mph with gusts to around 75 mph. Chance of snow
near 100 percent.
.TONIGHT...Very windy. Areas of blowing snow. Snow, then chance
of snow early in the morning. Snow accumulation of 3 to 5 inches.
Lows 11 to 19. Southwest winds 30 to 40 mph with gusts to around
55 mph becoming west 15 to 25 mph after midnight. Chance of snow
near 100 percent.
.WEDNESDAY...Breezy. Cloudy with a 50 percent chance of snow.
Snow accumulation up to 1 inch. Highs 19 to 27. West winds 15 to
25 mph.
.WEDNESDAY NIGHT...Colder, cloudy. Chance of snow in the evening,
then snow after midnight. Snow accumulation up to 1 inch. Lows
5 to 13. West winds around 15 mph in the evening. Chance of snow
90 percent.
.THURSDAY...Snow. Snow accumulation of 1 to 3 inches. Highs 14 to
22. North winds around 15 mph shifting to the east in the
afternoon. Chance of snow 90 percent.
.THURSDAY NIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows
3 to 9. Chance of snow 90 percent.
.FRIDAY...Snow likely. Light snow accumulations. Highs 12 to 18.
Chance of snow 60 percent. Wind chill readings 13 below to
23 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow in
the evening, then partly cloudy after midnight. Lows 3 below to
3 above zero. Wind chill readings 21 below to 31 below zero.
.SATURDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 10 to 18. Wind chill
readings 21 below to 31 below zero.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 1 to 7. Wind chill readings 21 below to
31 below zero.
.SUNDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 16 to 24. Lowest wind chill readings 18 below to
28 below zero in the morning.
.SUNDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Lows 10 to 16. Chance of snow 60 percent.
.MONDAY...Snow likely. Highs 22 to 30. Chance of snow 70 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy. Snow likely in the
evening, then chance of snow after midnight. Lows 9 to 15. Chance
of snow 60 percent. Wind chill readings 11 below to 21 below
zero.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow. Highs
20 to 26.

$$

WYZ015-221100-
Wind River Mountains East-
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Very windy. Snow. Areas of blowing snow.
New snow accumulation around 1 inch. Highs 31 to 41. Southwest
winds 30 to 40 mph with gusts to around 75 mph. Chance of snow
near 100 percent.
.TONIGHT...Very windy. Areas of blowing snow. Snow, then chance
of snow early in the morning. Snow accumulation of 2 to 4 inches.
Lows 11 to 21. Southwest winds 30 to 40 mph with gusts to around
55 mph becoming west 20 to 30 mph after midnight. Chance of snow
near 100 percent.
.WEDNESDAY...Windy. Cloudy with a 50 percent chance of snow. Snow
accumulation up to 1 inch. Highs 19 to 29. West winds 20 to
30 mph.
.WEDNESDAY NIGHT...Breezy, colder, cloudy. Chance of snow in the
evening, then snow after midnight. Snow accumulation of 1 to
2 inches. Lows 4 to 14. West winds 15 to 25 mph in the evening.
Chance of snow 90 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 2 to 4 inches.
Highs 13 to 21. Northeast winds 15 to 20 mph. Chance of snow
90 percent.
.THURSDAY NIGHT...Snow. Snow accumulation of 2 to 3 inches. Lows
2 to 12. Chance of snow 90 percent.
.FRIDAY...Snow likely. Light snow accumulations. Highs 11 to 19.
Chance of snow 70 percent. Wind chill readings 13 below to
23 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow in
the evening, then partly cloudy after midnight. Lows 2 below to
8 above zero. Wind chill readings 20 below to 30 below zero.
.SATURDAY...Partly cloudy in the morning, then mostly cloudy with
a 30 percent chance of snow in the afternoon. Highs 10 to 20.
Wind chill readings 20 below to 30 below zero.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. Lows 2 to 10. Wind chill readings
21 below to 31 below zero.
.SUNDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs 15 to 25. Lowest wind chill readings
17 below to 27 below zero in the morning.
.SUNDAY NIGHT...Breezy. Mostly cloudy. Chance of snow in the
evening, then snow likely after midnight. Lows 10 to 18. Chance
of snow 60 percent.
.MONDAY...Breezy. Not as cold. Mostly cloudy with snow likely.
Highs 22 to 32. Chance of snow 60 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy. Snow likely in the
evening, then chance of snow after midnight. Lows 8 to 18. Chance
of snow 60 percent. Wind chill readings 13 below to 23 below
zero.
.TUESDAY...Breezy. Mostly cloudy with a 30 percent chance of
snow. Highs 19 to 29.

$$

WYZ019-221100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
242 PM MST Tue Feb 21 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy with a 30 percent
chance of rain and snow. Areas of blowing snow early in the
evening. Highs 43 to 51. Southwest winds 25 to 35 mph with gusts
to around 55 mph.
.TONIGHT...Windy. Mostly cloudy. Areas of blowing snow until
early morning. Chance of rain and snow in the evening, then
chance of snow late in the evening. Lows 23 to 29. Southwest
winds 20 to 30 mph with gusts to around 45 mph shifting to the
west 15 to 20 mph early in the morning. Chance of precipitation
30 percent.
.WEDNESDAY...Breezy. Mostly cloudy with a 30 percent chance of
snow. Highs 31 to 39. West winds 15 to 25 mph.
.WEDNESDAY NIGHT...Breezy, colder. Chance of snow early in the
evening, then snow in the late evening and overnight. Snow
accumulation of 3 to 6 inches. Lows 16 to 22. West winds 15 to
20 mph. Chance of snow 90 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 5 to 7 inches.
Highs 22 to 28. North winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Breezy, colder, snow. Snow accumulation of 2 to
3 inches. Lows 8 to 14. Northeast winds 15 to 20 mph. Chance of
snow 80 percent.
.FRIDAY...Cloudy. Snow likely in the morning, then chance of snow
in the afternoon. Light snow accumulations. Highs 20 to 26.
Chance of snow 70 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy in the evening then
becoming partly cloudy. Lows zero to 6 above.
.SATURDAY...Partly cloudy. Highs 17 to 23.
.SATURDAY NIGHT...Partly cloudy. Lows 4 to 10.
.SUNDAY...Partly cloudy. Highs 24 to 30.
.SUNDAY NIGHT...Breezy. Mostly cloudy. A 40 percent chance of
snow after midnight. Lows 15 to 21.
.MONDAY...Breezy. Partly cloudy with a 30 percent chance of snow.
Highs 31 to 37.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 40 percent chance of snow. Lows 15 to
21.
.TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs
26 to 32.

$$

WYZ024-221100-
Salt River and Wyoming Ranges-
242 PM MST Tue Feb 21 2017

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY...

.LATE THIS AFTERNOON...Windy, snow...possibly mixed with rain
early in the evening, then snow early in the evening. Areas of
blowing snow early in the evening. New snow accumulation around
1 inch. Highs 34 to 40. Southwest winds 20 to 30 mph with gusts
to around 55 mph. Chance of precipitation near 100 percent.
.TONIGHT...Windy. Areas of blowing snow until early morning.
Snow. Snow accumulation of 3 to 4 inches. Lows 16 to 22. West
winds 20 to 30 mph decreasing to 15 to 20 mph early in the
morning. Chance of snow near 100 percent.
.WEDNESDAY...Breezy. Snow likely. Snow accumulation around
1 inch. Highs 23 to 29. West winds 15 to 20 mph. Chance of snow
70 percent.
.WEDNESDAY NIGHT...Colder. Cloudy with a 50 percent chance of
snow. Snow accumulation around 1 inch. Lows 9 to 15. Southwest
winds around 15 mph in the evening becoming northwest around
15 mph early in the morning.
.THURSDAY...Cloudy. Chance of snow in the morning, then snow
likely in the afternoon. Snow accumulation of 1 to 2 inches.
Highs 18 to 24. West winds around 15 mph. Chance of snow
60 percent.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Total snow accumulation 9 to
13 inches. Lows 6 to 12.
.FRIDAY...Cloudy with a 40 percent chance of snow. Highs 16 to
22.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows zero to 6 above. Wind chill readings 10 below to
20 below zero.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs
17 to 23. Wind chill readings 10 below to 20 below zero.
.SATURDAY NIGHT...Mostly cloudy. Lows 5 to 11.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow. Highs
21 to 27.
.SUNDAY NIGHT...Chance of snow in the evening, then snow likely
after midnight. Lows 14 to 20. Chance of snow 60 percent.
.MONDAY...Snow likely. Highs 27 to 33. Chance of snow 70 percent.
.MONDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Lows 12 to 18. Chance of snow 60 percent.
.TUESDAY...Mostly cloudy with a 40 percent chance of snow. Highs
23 to 29.

$$

WYZ030-221100-
East Sweetwater County-
Including the city of Wamsutter
242 PM MST Tue Feb 21 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY MORNING...

.LATE THIS AFTERNOON...Windy. Mostly cloudy with a 40 percent
chance of rain and snow. Highs 45 to 49. Southwest winds 25 to
30 mph with gusts to around 50 mph.
.TONIGHT...Windy. Mostly cloudy. Chance of rain early in the
evening. Chance of snow. Snow likely early in the morning. Areas
of blowing snow late in the evening. Snow accumulation of 1 to
2 inches. Lows around 26. Southwest winds 20 to 30 mph shifting
to the west 15 to 20 mph early in the morning. Chance of
precipitation 60 percent.
.WEDNESDAY...Breezy, colder, cloudy. Snow likely through the day.
Rain likely early in the afternoon. Snow accumulation up to
1 inch. Highs 32 to 36. West winds 15 to 20 mph. Chance of
precipitation 70 percent.
.WEDNESDAY NIGHT...Breezy, snow. Snow accumulation of 2 to
5 inches. Lows around 19. Northwest winds 15 to 20 mph. Chance of
snow 90 percent.
.THURSDAY...Breezy, snow. Snow accumulation of 3 to 6 inches.
Highs around 26. Northwest winds 15 to 20 mph. Chance of snow
80 percent.
.THURSDAY NIGHT...Snow. Snow accumulation around 2 inches. Lows
around 11. North winds around 15 mph. Chance of snow 80 percent.
.FRIDAY...Mostly cloudy. Snow likely in the morning, then chance
of snow in the afternoon. Highs in the mid 20s. Chance of snow
70 percent.
.FRIDAY NIGHT...Partly cloudy. Lows 2 to 6.
.SATURDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs in the lower to mid 20s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 7 to 11.
.SUNDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs near 30.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
snow. Lows 19 to 23.
.MONDAY...Breezy. Mostly cloudy. Chance of snow in the morning,
then chance of snow...possibly mixed with rain in the afternoon.
Highs in the mid to upper 30s. Chance of precipitation
40 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of
snow. Lows 18 to 22.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 20 percent chance of snow. Highs near 30.

$$





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