Zone Forecast Product
Issued by NWS Riverton, WY

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674
FPUS55 KRIW 222110
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
309 PM MDT Fri Sep 22 2017

WYZ020-231000-
Natrona County Lower Elevations-
Including the city of Casper
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with a 40 percent chance of
rain showers. Highs 59 to 64. West winds around 15 mph with gusts
to around 30 mph.
.TONIGHT...Scattered rain showers until early morning, then
numerous rain showers early in the morning. Numerous snow showers
early in the morning. No snow accumulation. Lows 35 to 39. North
winds around 15 mph until early morning. Chance of precipitation
60 percent.
.SATURDAY...Cooler. Numerous rain showers, possibly mixed with
snow showers early in the morning, then numerous rain showers in
the late morning and afternoon. Little or no snow accumulation.
Highs 41 to 46. Northeast winds around 15 mph in the afternoon.
Chance of precipitation 70 percent.
.SATURDAY NIGHT...Rain, possibly mixed with snow. Snow
accumulation of 1 to 2 inches. Lows 31 to 35. Northeast winds
around 15 mph until early morning. Chance of precipitation
70 percent.
.SUNDAY...Snow with rain. Snow accumulation up to 1 inch. Highs
38 to 42. Northeast winds around 15 mph in the afternoon. Chance
of precipitation 80 percent.
.SUNDAY NIGHT...Rain and snow likely in the evening, then snow
likely after midnight. Snow accumulation of 1 to 2 inches. Total
snow accumulation 2 to 5 inches. Lows around 31. Northeast winds
around 15 mph in the evening. Chance of precipitation 60 percent.
.MONDAY...Cloudy. Chance of snow, possibly mixed with rain in the
morning, then chance of rain in the afternoon. Highs in the mid
40s. Chance of precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy. Highs in the mid to upper 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ017-231000-
Wind River Basin-
Including the cities of Riverton and Shoshoni
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy. Chance of rain showers
early in the evening, then rain showers likely early in the
evening. Highs 48 to 53. Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Numerous rain showers early in the
evening, then scattered rain showers in the late evening and
early morning. Numerous rain showers early in the morning. Lows
around 37. North winds around 15 mph in the evening. Chance of
showers 60 percent.
.SATURDAY...Numerous rain showers, possibly mixed with snow
showers early in the morning, then numerous rain showers in the
late morning and afternoon. Little or no snow accumulation. Highs
41 to 45. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain. Snow
accumulation up to 2 inches. Lows 31 to 35. Chance of
precipitation 80 percent.
.SUNDAY...Snow, possibly mixed with rain. Snow accumulation up to
2 inches. Highs 37 to 41. Chance of precipitation 90 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Snow accumulation up to
1 inch. Total snow accumulation up to 5 inches. Lows around 32.
Chance of precipitation 50 percent.
.MONDAY...Cloudy. Chance of snow, possibly mixed with rain in the
morning, then chance of rain in the afternoon. Highs in the mid
40s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.TUESDAY...Mostly sunny. Highs in the mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ018-231000-
Lander Foothills-
Including the city of Lander
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy. Chance of rain showers
early in the evening, then rain showers likely early in the
evening. Highs around 47. Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Numerous rain showers through the
night. Numerous snow showers after midnight. No snow
accumulation. Lows around 37. Chance of precipitation 60 percent.
.SATURDAY...Numerous rain showers, possibly mixed with snow
showers early in the morning, then numerous rain showers in the
late morning and afternoon. Little or no snow accumulation. Highs
around 43. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Rain, possibly mixed with snow. Snow
accumulation of 2 to 3 inches. Lows around 32. Chance of
precipitation 90 percent.
.SUNDAY...Snow in the morning, then rain and snow likely in the
afternoon. Snow accumulation of 2 to 3 inches. Highs around 38.
Chance of precipitation near 100 percent.
.SUNDAY NIGHT...Cloudy. Chance of snow, possibly mixed with rain
in the evening, then chance of snow after midnight. Snow
accumulation up to 1 inch. Total snow accumulation 4 to 7 inches.
Lows around 31. Chance of precipitation 50 percent.
.MONDAY...Cloudy. Chance of snow, possibly mixed with rain in the
morning, then chance of rain in the afternoon. Highs in the mid
40s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Mostly sunny. Highs in the mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ028-231000-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely and isolated
thunderstorms early in the evening, then scattered rain showers
and isolated thunderstorms early in the evening. Highs 49 to 53.
Chance of precipitation 60 percent.
.TONIGHT...Mostly cloudy then becoming partly cloudy in the late
evening and early morning then becoming mostly cloudy. Slight
chance of thunderstorms early in the evening. Scattered rain
showers through the night. Scattered snow showers late in the
evening. Lows around 32. West winds around 15 mph. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy with scattered snow showers, possibly
mixed with rain showers early in the morning, then partly cloudy
with scattered rain showers in the late morning and afternoon.
Highs 49 to 53. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Rain likely in the evening, then snow, possibly
mixed with rain after midnight. Snow accumulation up to 1 inch.
Lows around 31. Northeast winds around 15 mph in the evening
becoming northeast around 15 mph early in the morning. Chance of
precipitation 70 percent.
.SUNDAY...Snow, possibly mixed with rain in the morning, then
rain likely in the afternoon. Snow accumulation of 1 to 3 inches.
Highs 41 to 45. Northeast winds around 15 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Snow accumulation up to
1 inch. Total snow accumulation 1 to 5 inches. Lows around 29.
Northeast winds around 15 mph in the evening. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy. Slight chance of snow, possibly mixed
with rain in the morning, then slight chance of rain in the
afternoon. Highs in the mid to upper 40s. Chance of precipitation
20 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 30.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ013-231000-
Jackson Hole-
Including the city of Jackson
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely early in the evening,
then chance of rain showers early in the evening. Highs 43 to 48.
Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Scattered rain showers in the evening.
Scattered snow showers. Lows around 28. Chance of precipitation
40 percent.
.SATURDAY...Mostly cloudy. Isolated snow showers in the morning.
Scattered rain showers in the late morning and afternoon. Highs
44 to 49. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then chance of snow after midnight.
Lows 27 to 31. Chance of precipitation 30 percent.
.SUNDAY...Cloudy. Chance of snow in the morning, then chance of
rain in the afternoon. Highs 45 to 49. Chance of precipitation
40 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain, possibly mixed with snow
in the evening, then chance of snow after midnight. Lows 27 to
31. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of rain in the afternoon. Highs in the mid to upper
40s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the upper 20s.
.TUESDAY...Partly cloudy. Highs near 50.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs in
the 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 30.
.THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs 57 to 62.

$$

WYZ003-231000-
Cody Foothills-
Including the cities of Cody and Meeteetse
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers, possibly mixed with snow
showers. Little or no new snow accumulation. Highs 38 to 42.
Chance of precipitation 80 percent.
.TONIGHT...Cloudy. Widespread snow showers and rain showers early
in the evening, then scattered rain showers in the late evening
and overnight. Scattered snow showers in the late evening and
overnight. Snow accumulation up to 3 inches. Lows 28 to 32. North
winds around 15 mph in the evening. Chance of precipitation
80 percent.
.SATURDAY...Cloudy. Scattered snow showers early in the morning,
then scattered rain showers and snow showers in the late morning
and afternoon. Highs 38 to 42. Chance of precipitation
40 percent.
.SATURDAY NIGHT...Cloudy. Chance of snow, possibly mixed with
rain in the evening, then chance of snow after midnight. Lows
28 to 32. Chance of precipitation 40 percent.
.SUNDAY...Cloudy. Snow likely in the morning, then chance of
rain, possibly mixed with snow in the afternoon. Snow
accumulation up to 1 inch. Highs 37 to 42. Chance of
precipitation 60 percent.
.SUNDAY NIGHT...Cloudy. Chance of snow, possibly mixed with rain
in the evening, then chance of snow after midnight. Lows 29 to
33. Chance of precipitation 30 percent.
.MONDAY...Mostly cloudy. Slight chance of rain and snow in the
morning. Highs in the mid to upper 40s. Chance of precipitation
20 percent.
.MONDAY NIGHT...Partly cloudy. Lows 30 to 35.
.TUESDAY...Partly cloudy. Highs 50 to 55.
.TUESDAY NIGHT...Partly cloudy. Isolated rain showers and snow
showers after midnight. Lows 32 to 37. Chance of precipitation
20 percent.
.WEDNESDAY...Partly cloudy. Highs 52 to 57.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the 30s.
.THURSDAY...Mostly sunny. Highs 55 to 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid to upper 30s.
.FRIDAY...Mostly sunny. Highs near 60.

$$

WYZ004-231000-
North Big Horn Basin-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Chance of rain showers early in the
evening, then rain showers likely early in the evening. Highs
46 to 51. Chance of showers 60 percent.
.TONIGHT...Cloudy. Widespread rain showers in the evening.
Scattered snow showers in the late evening and overnight.
Scattered rain showers late in the evening. Little or no snow
accumulation. Lows 34 to 38. Northwest winds around 15 mph in the
evening. Chance of precipitation 80 percent.
.SATURDAY...Cloudy. Scattered rain showers, possibly mixed with
snow showers early in the morning, then scattered rain showers in
the late morning and afternoon. Highs 44 to 48. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Cloudy. Chance of rain in the evening, then
chance of rain and snow after midnight. Little or no snow
accumulation. Lows 33 to 37. Chance of precipitation 50 percent.
.SUNDAY...Cloudy. Chance of rain, possibly mixed with snow in the
morning, then chance of rain in the afternoon. Little or no snow
accumulation. Highs 44 to 49. Northwest winds around 15 mph in
the afternoon. Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then chance of rain and snow after midnight. Lows 33 to 37.
Chance of precipitation 30 percent.
.MONDAY...Mostly cloudy. Slight chance of rain and snow in the
morning. Highs around 50. Chance of precipitation 20 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the mid to upper 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.WEDNESDAY...Partly cloudy. Highs near 60.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the upper 30s.
.THURSDAY...Mostly sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Sunny. Highs in the lower to mid 60s.

$$

WYZ006-231000-
Southeast Big Horn Basin-
Including the city of Worland
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with a 40 percent chance of
rain showers. Highs 49 to 53.
.TONIGHT...Mostly cloudy. Numerous rain showers early in the
evening, then scattered rain showers in the late evening and
overnight. Scattered snow showers early in the morning. No snow
accumulation. Lows around 37. Chance of precipitation 60 percent.
.SATURDAY...Cloudy. Scattered rain showers, possibly mixed with
snow showers early in the morning, then scattered rain showers in
the late morning and afternoon. Little or no snow accumulation.
Highs 42 to 46. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Cloudy. Rain likely in the evening, then rain
and snow likely after midnight. Little or no snow accumulation.
Lows around 34. Chance of precipitation 60 percent.
.SUNDAY...Cloudy. Rain and snow likely in the morning, then
chance of rain in the afternoon. Little or no snow accumulation.
Highs 42 to 46. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Cloudy with a 30 percent chance of rain, possibly
mixed with snow. Lows around 34.
.MONDAY...Cloudy. Chance of rain and snow in the morning, then
slight chance of rain in the afternoon. Highs in the mid 40s to
lower 50s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs in the mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Partly cloudy. Highs in the mid to upper 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs around 60.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the mid 60s.

$$

WYZ005-231000-
Southwest Big Horn Basin-
Including the city of Thermopolis
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Chance of rain showers early in the
evening, then rain showers likely early in the evening. Highs
47 to 52. Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Numerous rain showers early in the
evening, then scattered rain showers, possibly mixed with snow
showers in the late evening and overnight. No snow accumulation.
Lows 34 to 38. Chance of precipitation 60 percent.
.SATURDAY...Cloudy. Scattered rain showers, possibly mixed with
snow showers in the morning, then scattered rain showers in the
afternoon. Little or no snow accumulation. Highs around 42.
Chance of precipitation 50 percent.
.SATURDAY NIGHT...Rain likely, possibly mixed with snow in the
evening, then snow, possibly mixed with rain after midnight. Snow
accumulation up to 1 inch. Lows around 34. Chance of
precipitation 70 percent.
.SUNDAY...Snow, possibly mixed with rain in the morning, then
chance of rain, possibly mixed with snow in the afternoon. Snow
accumulation up to 1 inch. Total snow accumulation up to
2 inches. Highs 39 to 43. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy with a 30 percent chance of rain and snow.
Lows around 33.
.MONDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the upper 40s. Chance
of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the 50s.
.TUESDAY NIGHT...Partly cloudy. Isolated rain showers in the
evening, then isolated rain showers and snow showers after
midnight. Lows in the mid 30s. Chance of precipitation
20 percent.
.WEDNESDAY...Partly cloudy. Highs in the mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs around 60.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ023-231000-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with a 40 percent chance of
rain showers. Highs around 45.
.TONIGHT...Mostly cloudy early in the evening then becoming
partly cloudy. Scattered rain showers in the evening. Scattered
snow showers early in the evening. Lows around 28. Chance of
precipitation 30 percent.
.SATURDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly cloudy. Isolated snow showers in the
morning. Scattered rain showers in the late morning and
afternoon. Highs around 49. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then snow after midnight. Snow accumulation up to 1 inch. Lows
around 28. Chance of precipitation 90 percent.
.SUNDAY...Cloudy. Snow likely in the morning, then chance of rain
in the afternoon. Little or no snow accumulation. Highs 46 to 50.
Chance of precipitation 60 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain, possibly mixed with snow
in the evening, then chance of snow after midnight. Little or no
snow accumulation. Lows 27 to 31. Chance of precipitation
50 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of rain in the afternoon. Highs in the upper 40s.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the upper 20s.
.TUESDAY...Partly cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s to lower 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs in the lower to mid 60s.

$$

WYZ025-231000-
Upper Green River Basin Foothills-
Including the city of Pinedale
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely early in the evening,
then chance of rain showers early in the evening. Highs 44 to 48.
Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Scattered rain showers in the evening.
Scattered snow showers. Little or no snow accumulation. Lows
26 to 30. Chance of precipitation 50 percent.
.SATURDAY...Mostly cloudy. Scattered snow showers in the morning.
Scattered rain showers in the late morning and afternoon. Highs
44 to 48. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then snow likely after midnight. Snow
accumulation up to 1 inch. Lows 27 to 31. Chance of precipitation
60 percent.
.SUNDAY...Snow, possibly mixed with rain in the morning, then
rain likely in the afternoon. Little or no snow accumulation.
Highs 42 to 46. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Snow accumulation around
1 inch. Lows 26 to 30. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 40 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the upper 40s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.WEDNESDAY...Partly cloudy. Highs in the lower to mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.THURSDAY...Mostly sunny. Highs in the mid 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 50s.

$$

WYZ026-231000-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely early in the evening,
then chance of rain showers early in the evening. Highs 47 to 51.
Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Scattered rain showers. Scattered snow
showers in the late evening and overnight. Lows 29 to 33. Chance
of precipitation 40 percent.
.SATURDAY...Mostly cloudy. Scattered snow showers early in the
morning, then scattered rain showers in the late morning and
afternoon. Highs 47 to 51. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Rain likely in the evening, then snow, possibly
mixed with rain after midnight. Snow accumulation around 1 inch.
Lows around 32. Northeast winds around 15 mph in the evening.
Chance of precipitation 70 percent.
.SUNDAY...Snow, possibly mixed with rain in the morning, then
rain likely in the afternoon. Snow accumulation up to 1 inch.
Highs 42 to 46. Northeast winds around 15 mph in the afternoon.
Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Snow accumulation around
1 inch. Total snow accumulation 2 to 3 inches. Lows around 29.
Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of snow, possibly mixed with rain
in the morning, then slight chance of rain in the afternoon.
Highs in the mid to upper 40s. Chance of precipitation
30 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s to lower 30s.
.TUESDAY...Partly cloudy. Highs near 50.
.TUESDAY NIGHT...Partly cloudy. Lows near 30.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs in
the lower to mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.FRIDAY...Mostly sunny. Highs near 60.

$$

WYZ010-231000-
Northeast Johnson County-
Including the city of Buffalo
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with a 40 percent chance of
rain showers. Highs 49 to 53.
.TONIGHT...Mostly cloudy. Scattered rain showers until early
morning, then numerous rain showers, possibly mixed with snow
showers early in the morning. No snow accumulation. Lows around
37. North winds around 15 mph in the evening. Chance of
precipitation 60 percent.
.SATURDAY...Numerous rain showers, possibly mixed with snow
showers early in the morning, then numerous rain showers in the
late morning and afternoon. Little or no snow accumulation. Highs
around 42. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Rain, possibly mixed with snow. Snow
accumulation of 1 to 2 inches. Lows around 34. Chance of
precipitation 70 percent.
.SUNDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Little or no snow accumulation.
Highs 41 to 45. North winds around 15 mph in the afternoon.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Cloudy with a 50 percent chance of rain, possibly
mixed with snow. Little or no snow accumulation. Lows around 33.
.MONDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in
the evening, then partly cloudy after midnight. Lows in the mid
30s.
.TUESDAY...Not as cool. Partly cloudy. Highs in the mid to upper
50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.WEDNESDAY...Partly cloudy. Highs in the mid 50s to lower 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the mid 60s.

$$

WYZ011-231000-
Southeast Johnson County-
Including the city of Kaycee
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with a 40 percent chance of
rain showers. Highs 53 to 57.
.TONIGHT...Mostly cloudy. Scattered rain showers until early
morning, then numerous rain showers early in the morning.
Numerous snow showers early in the morning. No snow accumulation.
Lows around 37. North winds around 15 mph until early morning.
Chance of precipitation 60 percent.
.SATURDAY...Colder. Numerous rain showers, possibly mixed with
snow showers early in the morning, then numerous rain showers in
the late morning and afternoon. Little or no snow accumulation.
Highs around 42. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Rain, possibly mixed with snow. Snow
accumulation of 1 to 2 inches. Lows around 34. Chance of
precipitation 70 percent.
.SUNDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Little or no snow accumulation.
Highs around 42. North winds around 15 mph in the afternoon.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Cloudy. Rain, possibly mixed with snow in the
evening, then chance of snow after midnight. Snow accumulation up
to 1 inch. Lows around 32. Chance of precipitation 60 percent.
.MONDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.TUESDAY...Not as cool. Partly cloudy. Highs in the mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Partly cloudy. Highs in the upper 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs in the mid 60s.

$$

WYZ027-231000-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely early in the evening,
then chance of rain showers early in the evening. Highs around
48. West winds around 15 mph. Chance of showers 60 percent.
.TONIGHT...Mostly cloudy. Scattered rain showers until early
morning. Scattered snow showers early in the evening. Lows around
29. West winds around 15 mph early in the evening. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy. Isolated snow showers in the morning.
Scattered rain showers in the late morning and afternoon. Highs
around 48. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Rain likely in the evening, then snow likely
after midnight. Snow accumulation of 1 to 2 inches. Lows around
29. Chance of precipitation 70 percent.
.SUNDAY...Snow likely in the morning, then rain likely in the
afternoon. Snow accumulation of 1 to 3 inches. Highs 40 to 44.
Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Snow accumulation up to
1 inch. Total snow accumulation 2 to 6 inches. Lows around 27.
Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of rain in the afternoon. Highs in the upper 40s.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the upper 20s.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower 50s.
.TUESDAY NIGHT...Partly cloudy. Lows around 30.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 30.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs around 60.

$$

WYZ016-231000-
Upper Wind River Basin-
Including the city of Dubois
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers. Highs 40 to 44. Chance of
showers 80 percent.
.TONIGHT...Widespread rain showers, possibly mixed with snow
showers. Snow accumulation up to 1 inch. Lows 30 to 34. Chance of
precipitation 80 percent.
.SATURDAY...Numerous snow showers, possibly mixed with rain
showers. Little or no snow accumulation. Highs around 39. Chance
of precipitation 70 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain in the evening,
then snow after midnight. Snow accumulation of 1 to 3 inches.
Lows around 30. Chance of precipitation 90 percent.
.SUNDAY...Snow in the morning, then snow, possibly mixed with
rain in the afternoon. Snow accumulation of 1 to 2 inches. Highs
around 36. Chance of precipitation 90 percent.
.SUNDAY NIGHT...Cloudy with a 50 percent chance of snow. Snow
accumulation around 1 inch. Total snow accumulation 3 to
6 inches. Lows around 28.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
slight chance of rain in the afternoon. Highs in the mid 40s.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow in the evening, then partly cloudy after midnight. Lows
in the upper 20s.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs near 50.
.TUESDAY NIGHT...Partly cloudy. Isolated rain showers in the
evening, then isolated snow showers after midnight. Lows near 30.
Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower to mid 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Mostly sunny. Highs in the mid to upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.FRIDAY...Mostly sunny. Highs 56 to 61.

$$

WYZ001-231000-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
309 PM MDT Fri Sep 22 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

.LATE THIS AFTERNOON...Snow showers, possibly mixed with rain
showers early in the evening, then snow showers likely, possibly
mixed with rain showers early in the evening. New snow
accumulation up to 1 inch. Highs 35 to 41. Chance of
precipitation 60 percent.
.TONIGHT...Mostly cloudy. Scattered snow showers, possibly mixed
with rain showers early in the evening, then scattered snow
showers. Snow accumulation up to 1 inch. Total snow accumulation
up to 6 inches. Lows 21 to 27. Chance of precipitation
50 percent.
.SATURDAY...Mostly cloudy. Isolated snow showers in the morning,
then scattered rain showers, possibly mixed with snow showers in
the afternoon. Highs 36 to 42. Chance of precipitation
30 percent.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 21 to 27.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain, possibly mixed with snow in the afternoon. Highs
37 to 43. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 22 to 28.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 38 to 44.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
21 to 27.
.TUESDAY...Partly cloudy in the morning, then mostly cloudy with
isolated rain showers in the afternoon. Highs 41 to 47. Chance of
showers 20 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with isolated snow showers after midnight. Lows 23 to 29. Chance
of snow 20 percent.
.WEDNESDAY...Partly cloudy. Highs 45 to 51.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 24 to 30.
.THURSDAY...Mostly sunny. Highs 48 to 54.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 32.
.FRIDAY...Sunny. Highs 48 to 54.

$$

WYZ029-231000-
Flaming Gorge-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Partly cloudy with scattered rain showers
and isolated thunderstorms. Highs 54 to 58. West winds around
15 mph with gusts to around 30 mph. Chance of precipitation
40 percent.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Slight chance of thunderstorms in the evening. Scattered
rain showers, possibly mixed with snow showers through the night.
Lows around 34. Northwest winds around 15 mph early in the
evening. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy with scattered snow showers, possibly
mixed with rain showers early in the morning, then mostly cloudy
late in the morning. Partly cloudy with slight chance of
thunderstorms and isolated rain showers in the afternoon. Highs
52 to 56. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Rain likely in the evening, then rain and snow
likely after midnight. Snow accumulation up to 1 inch. Lows 31 to
35. Northeast winds around 15 mph late in the evening. Chance of
precipitation 70 percent.
.SUNDAY...Rain and snow likely in the morning, then rain likely
in the afternoon. Snow accumulation around 1 inch. Total snow
accumulation 1 to 2 inches. Highs 43 to 47. Northeast winds
around 15 mph in the morning. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy with a 50 percent chance of rain, possibly
mixed with snow. Little or no snow accumulation. Lows 29 to 33.
.MONDAY...Mostly cloudy. Slight chance of rain and snow in the
morning, then slight chance of rain in the afternoon. Highs in
the mid to upper 40s. Chance of precipitation 20 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the lower 30s.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Partly cloudy. Highs in the mid to upper 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs near 60.

$$

WYZ022-231000-
Casper Mountain-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy with scattered rain showers
and isolated thunderstorms. Highs 56 to 62. Southwest winds
around 15 mph. Chance of precipitation 50 percent.
.TONIGHT...Slight chance of thunderstorms in the evening.
Numerous rain showers through the night. Lows around 38. East
winds around 15 mph in the evening. Chance of precipitation
70 percent.
.SATURDAY...Cooler. Numerous rain showers, possibly mixed with
snow showers early in the morning, then numerous rain showers in
the late morning and afternoon. Little or no snow accumulation.
Highs 41 to 47. Northeast winds around 15 mph late in the
afternoon. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Colder. Rain, possibly mixed with snow. Snow
accumulation of 1 to 3 inches. Lows 28 to 34. Northeast winds
around 15 mph in the evening becoming northeast around 15 mph
early in the morning. Chance of precipitation 70 percent.
.SUNDAY...Snow, possibly mixed with rain. Snow accumulation of
1 to 3 inches. Highs 34 to 40. Chance of precipitation
70 percent.
.SUNDAY NIGHT...Snow, possibly mixed with rain in the evening,
then snow likely after midnight. Snow accumulation of 2 to
3 inches. Lows 26 to 32. Chance of precipitation 70 percent.
.MONDAY...Cloudy with a 50 percent chance of snow, possibly mixed
with rain. Highs 38 to 44.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 20s.
.TUESDAY...Not as cool. Partly cloudy. Highs 46 to 52.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy. Highs 49 to 55.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs 51 to 57.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs 55 to 61.

$$

WYZ002-231000-
Absaroka Mountains-
309 PM MDT Fri Sep 22 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.LATE THIS AFTERNOON...Snow showers, possibly mixed with rain
showers. New snow accumulation up to 1 inch. Highs 36 to 42.
Chance of precipitation near 100 percent.
.TONIGHT...Numerous rain showers in the evening. Widespread snow
showers through the night. Snow accumulation of 2 to 3 inches.
Lows 20 to 26. Chance of precipitation 80 percent.
.SATURDAY...Mostly cloudy. Numerous snow showers in the morning,
then numerous snow showers, possibly mixed with rain showers in
the afternoon. Snow accumulation up to 1 inch. Highs 31 to 39.
Chance of precipitation 60 percent.
.SATURDAY NIGHT...Snow. Snow accumulation up to 2 inches. Lows
21 to 27. Chance of snow 90 percent.
.SUNDAY...Snow in the morning, then snow likely, possibly mixed
with rain in the afternoon. Snow accumulation up to 3 inches.
Highs 30 to 38. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Snow accumulation up to 1 inch. Total
snow accumulation 2 to 15 inches. Lows 21 to 27. Chance of snow
60 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
33 to 41. Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 21 to 27.
.TUESDAY...Partly cloudy. Isolated rain showers and snow showers
in the afternoon. Highs 36 to 44. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Mostly cloudy with scattered snow showers,
possibly mixed with rain showers in the evening, then partly
cloudy with scattered snow showers after midnight. Lows 23 to 29.
Chance of precipitation 30 percent.
.WEDNESDAY...Partly cloudy. Highs 39 to 47.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 24 to 30.
.THURSDAY...Mostly sunny. Highs 43 to 51.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 32.
.FRIDAY...Mostly sunny. Highs 44 to 52.

$$

WYZ007-231000-
Owl Creek and Bridger Mountains-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers likely. Highs 41 to 49.
Chance of showers 60 percent.
.TONIGHT...Widespread rain showers, possibly mixed with snow
showers. Snow accumulation up to 1 inch. Lows 30 to 36. North
winds around 15 mph in the evening. Chance of precipitation
80 percent.
.SATURDAY...Numerous snow showers, possibly mixed with rain
showers. Snow accumulation up to 1 inch. Highs 35 to 41. Chance
of precipitation 70 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain in the evening,
then snow after midnight. Snow accumulation of 1 to 3 inches.
Lows 27 to 33. North winds around 15 mph after midnight. Chance
of precipitation 80 percent.
.SUNDAY...Snow in the morning, then snow, possibly mixed with
rain in the afternoon. Snow accumulation of 1 to 3 inches. Highs
33 to 39. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Cloudy. Chance of snow, possibly mixed with rain
in the evening, then snow likely after midnight. Snow
accumulation of 1 to 2 inches. Total snow accumulation 3 to
10 inches. Lows 27 to 33. Chance of precipitation 60 percent.
.MONDAY...Cloudy with a 40 percent chance of rain and snow. Highs
39 to 45.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 28 to 34.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 46 to 52.
.TUESDAY NIGHT...Partly cloudy. Isolated rain showers in the
evening, then isolated rain showers and snow showers after
midnight. Lows 30 to 36. Chance of precipitation 20 percent.
.WEDNESDAY...Partly cloudy. Highs 48 to 54.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs 52 to 58.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs 55 to 61.

$$

WYZ008-231000-
Bighorn Mountains West-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers, possibly mixed with snow
showers. Little or no new snow accumulation. Highs 40 to 50.
Chance of precipitation 60 percent.
.TONIGHT...Widespread rain showers and snow showers. Snow
accumulation up to 2 inches. Lows 27 to 35. Chance of
precipitation 80 percent.
.SATURDAY...Numerous snow showers, possibly mixed with rain
showers. Snow accumulation up to 3 inches. Highs 34 to 42. Chance
of precipitation 70 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain. Snow
accumulation of 1 to 4 inches. Lows 25 to 33. Chance of
precipitation 80 percent.
.SUNDAY...Snow, possibly mixed with rain. Snow accumulation of
1 to 3 inches. Highs 31 to 41. Chance of precipitation
80 percent.
.SUNDAY NIGHT...Cloudy with snow likely, possibly mixed with
rain. Snow accumulation up to 2 inches. Lows 24 to 34. Chance of
precipitation 60 percent.
.MONDAY...Cloudy. Snow likely, possibly mixed with rain in the
morning, then chance of rain and snow in the afternoon. Light
snow accumulations. Highs 33 to 43. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with chance of snow, possibly mixed
with rain in the evening, then partly cloudy after midnight. Lows
25 to 33. Chance of precipitation 30 percent.
.TUESDAY...Not as cool. Partly cloudy. Scattered snow showers and
rain showers in the afternoon. Highs 40 to 50. Chance of
precipitation 30 percent.
.TUESDAY NIGHT...Partly cloudy with scattered snow showers,
possibly mixed with rain showers. Lows 27 to 35. Chance of
precipitation 40 percent.
.WEDNESDAY...Partly cloudy. Scattered snow showers, possibly
mixed with rain showers in the morning, then scattered rain
showers in the afternoon. Highs 42 to 52. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 28 to 36.
.THURSDAY...Mostly sunny. Highs 45 to 55.
.THURSDAY NIGHT...Mostly clear. Lows 29 to 37.
.FRIDAY...Mostly sunny. Highs 49 to 59.

$$

WYZ009-231000-
Bighorn Mountains Southeast-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Chance of rain showers, possibly mixed
with snow showers early in the evening, then rain showers,
possibly mixed with snow showers early in the evening. Little or
no new snow accumulation. Highs 42 to 52. Chance of precipitation
60 percent.
.TONIGHT...Numerous rain showers, possibly mixed with snow
showers. Snow accumulation up to 2 inches. Lows 28 to 34.
Northeast winds around 15 mph early in the evening. Chance of
precipitation 70 percent.
.SATURDAY...Numerous snow showers, possibly mixed with rain
showers. Snow accumulation of 1 to 4 inches. Highs 33 to 39.
Chance of precipitation 70 percent.
.SATURDAY NIGHT...Snow. Snow accumulation of 3 to 5 inches. Lows
25 to 31. Northeast winds around 15 mph early in the evening.
Chance of snow 80 percent.
.SUNDAY...Snow in the morning, then snow, possibly mixed with
rain in the afternoon. Snow accumulation of 1 to 4 inches. Highs
31 to 37. Chance of precipitation 80 percent.
.SUNDAY NIGHT...Snow likely. Snow accumulation of 1 to 2 inches.
Lows 24 to 30. Chance of snow 60 percent.
.MONDAY...Cloudy. Snow likely in the morning, then chance of rain
and snow in the afternoon. Light snow accumulations. Highs 33 to
41. Chance of precipitation 60 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 30 percent chance of snow. Lows 25 to 31.
.TUESDAY...Not as cool. Partly cloudy. Highs 40 to 50.
.TUESDAY NIGHT...Partly cloudy. Scattered snow showers, possibly
mixed with rain showers in the evening, then scattered snow
showers after midnight. Lows 27 to 33. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Isolated rain showers and snow
showers in the morning, then scattered rain showers in the
afternoon. Highs 41 to 51. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows 27 to 33.
.THURSDAY...Mostly sunny. Highs 45 to 55.
.THURSDAY NIGHT...Mostly clear. Lows 30 to 36.
.FRIDAY...Mostly sunny. Highs 51 to 59.

$$

WYZ012-231000-
Teton and Gros Ventre Mountains-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Rain showers and snow showers likely early
in the evening, then snow showers likely, possibly mixed with
rain showers early in the evening. New snow accumulation up to
1 inch. Highs 35 to 43. Chance of precipitation 60 percent.
.TONIGHT...Mostly cloudy. Scattered snow showers, possibly mixed
with rain showers early in the evening, then numerous snow
showers early in the evening. Scattered snow showers in the late
evening and overnight. Snow accumulation around 1 inch. Total
snow accumulation 1 to 5 inches. Lows 21 to 27. Chance of
precipitation 60 percent.
.SATURDAY...Mostly cloudy. Scattered snow showers in the morning,
then scattered rain showers, possibly mixed with snow showers in
the afternoon. Highs 36 to 42. Chance of precipitation
40 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow likely, possibly mixed with
rain in the evening, then snow likely after midnight. Snow
accumulation up to 1 inch. Lows 23 to 29. Chance of precipitation
60 percent.
.SUNDAY...Cloudy. Snow likely in the morning, then rain, possibly
mixed with snow in the afternoon. Snow accumulation up to 1 inch.
Highs 36 to 44. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Snow likely, possibly mixed with
rain in the evening, then chance of snow after midnight. Snow
accumulation up to 2 inches. Total snow accumulation up to
4 inches. Lows 23 to 29. Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain, possibly mixed with snow in the afternoon. Highs
36 to 44. Chance of precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow in the evening, then partly cloudy after midnight. Lows
22 to 28.
.TUESDAY...Partly cloudy. Isolated rain showers and snow showers
in the afternoon. Highs 40 to 48. Chance of precipitation
20 percent.
.TUESDAY NIGHT...Partly cloudy. Isolated snow showers after
midnight. Lows 23 to 29. Chance of snow 20 percent.
.WEDNESDAY...Partly cloudy. Highs 44 to 52.
.WEDNESDAY NIGHT...Mostly clear. Lows 24 to 30.
.THURSDAY...Mostly sunny. Highs 47 to 55.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 32.
.FRIDAY...Mostly sunny. Highs 47 to 55.

$$

WYZ014-231000-
Wind River Mountains West-
309 PM MDT Fri Sep 22 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY AFTERNOON...

.LATE THIS AFTERNOON...Rain showers and snow showers. New snow
accumulation up to 1 inch. Highs 36 to 42. Chance of
precipitation 90 percent.
.TONIGHT...Mostly cloudy. Numerous rain showers in the evening.
Widespread snow showers through the night. Snow accumulation up
to 2 inches. Lows 23 to 29. Southwest winds around 15 mph early
in the evening. Chance of precipitation 80 percent.
.SATURDAY...Mostly cloudy. Numerous snow showers, possibly mixed
with rain showers. Snow accumulation up to 2 inches. Highs 33 to
41. Chance of precipitation 60 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain in the evening,
then snow after midnight. Snow accumulation of 1 to 4 inches.
Lows 22 to 28. Northeast winds around 15 mph in the late evening
and early morning. Chance of precipitation 90 percent.
.SUNDAY...Snow in the morning, then snow, possibly mixed with
rain in the afternoon. Snow accumulation of 2 to 5 inches. Highs
30 to 38. Chance of precipitation 90 percent.
.SUNDAY NIGHT...Snow likely. Snow accumulation of 2 to 3 inches.
Lows 21 to 27. Chance of snow 70 percent.
.MONDAY...Cloudy. Snow likely in the morning, then snow likely,
possibly mixed with rain in the afternoon. Light snow
accumulations. Highs 33 to 41. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy with chance of snow, possibly mixed
with rain in the evening, then partly cloudy after midnight. Lows
21 to 27. Chance of precipitation 30 percent.
.TUESDAY...Partly cloudy. Isolated snow showers in the morning,
then scattered rain showers and snow showers in the afternoon.
Highs 35 to 45. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Partly cloudy. Scattered snow showers, possibly
mixed with rain showers in the evening, then scattered snow
showers after midnight. Lows 22 to 28. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Highs 38 to 48.
.WEDNESDAY NIGHT...Mostly clear. Lows 23 to 29.
.THURSDAY...Mostly sunny. Highs 42 to 52.
.THURSDAY NIGHT...Mostly clear. Lows 25 to 31.
.FRIDAY...Mostly sunny. Highs 45 to 53.

$$

WYZ015-231000-
Wind River Mountains East-
309 PM MDT Fri Sep 22 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY AFTERNOON...

.LATE THIS AFTERNOON...Snow showers, possibly mixed with rain
showers. New snow accumulation up to 2 inches. Highs 35 to 41.
Southwest winds around 15 mph. Chance of precipitation near
100 percent.
.TONIGHT...Numerous rain showers in the evening. Widespread snow
showers through the night. Snow accumulation of 1 to 3 inches.
Lows 22 to 30. Southwest winds around 15 mph in the evening.
Chance of precipitation 80 percent.
.SATURDAY...Numerous snow showers early in the morning, then
numerous snow showers, possibly mixed with rain showers in the
late morning and afternoon. Snow accumulation up to 3 inches.
Highs 31 to 37. Chance of precipitation 70 percent.
.SATURDAY NIGHT...Snow. Snow accumulation of 4 to 6 inches. Lows
22 to 28. Chance of snow near 100 percent.
.SUNDAY...Snow. Snow accumulation of 4 to 6 inches. Highs 28 to
34. Chance of snow near 100 percent.
.SUNDAY NIGHT...Snow likely. Snow accumulation of 2 to 3 inches.
Lows 20 to 26. Chance of snow 70 percent.
.MONDAY...Cloudy. Snow likely in the morning, then snow likely,
possibly mixed with rain in the afternoon. Light snow
accumulations. Highs 32 to 40. Chance of precipitation
70 percent.
.MONDAY NIGHT...Mostly cloudy with chance of snow, possibly mixed
with rain in the evening, then partly cloudy with slight chance
of snow after midnight. Lows 21 to 27. Chance of precipitation
40 percent.
.TUESDAY...Partly cloudy. Isolated snow showers in the morning,
then scattered rain showers and snow showers in the afternoon.
Highs 35 to 45. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Partly cloudy. Scattered snow showers, possibly
mixed with rain showers in the evening, then scattered snow
showers after midnight. Lows 21 to 29. Chance of precipitation
30 percent.
.WEDNESDAY...Partly cloudy. Highs 37 to 47.
.WEDNESDAY NIGHT...Mostly clear. Lows 23 to 29.
.THURSDAY...Mostly sunny. Highs 41 to 51.
.THURSDAY NIGHT...Mostly clear. Lows 24 to 32.
.FRIDAY...Mostly sunny. Highs 43 to 53.

$$

WYZ019-231000-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Breezy. Partly cloudy with scattered rain
showers and isolated thunderstorms. Highs 49 to 59. Southwest
winds 15 to 20 mph with gusts to around 40 mph. Chance of
precipitation 40 percent.
.TONIGHT...Breezy. Partly cloudy early in the evening then
becoming mostly cloudy. Scattered rain showers, possibly mixed
with snow showers and thunderstorms in the evening, then numerous
rain showers and snow showers after midnight. Little or no snow
accumulation. Lows 32 to 38. Northwest winds 15 to 20 mph in the
evening. Chance of precipitation 60 percent.
.SATURDAY...Numerous snow showers in the morning. Numerous rain
showers through the day. Slight chance of thunderstorms in the
afternoon. Little or no snow accumulation. Highs 40 to 46.
Northeast winds around 15 mph in the afternoon. Chance of
precipitation 70 percent.
.SATURDAY NIGHT...Breezy. Rain, possibly mixed with snow in the
evening, then snow likely after midnight. Snow accumulation of
1 to 3 inches. Lows 27 to 33. Northeast winds 15 to 20 mph.
Chance of precipitation 70 percent.
.SUNDAY...Snow in the morning, then rain and snow likely in the
afternoon. Snow accumulation of 1 to 4 inches. Highs 34 to 40.
Northeast winds around 15 mph. Chance of precipitation
80 percent.
.SUNDAY NIGHT...Snow likely, possibly mixed with rain in the
evening, then snow likely after midnight. Snow accumulation of
1 to 3 inches. Total snow accumulation 3 to 10 inches. Lows 26 to
32. Northeast winds around 15 mph in the evening. Chance of
precipitation 60 percent.
.MONDAY...Cloudy. Chance of snow in the morning, then chance of
rain in the afternoon. Highs in the lower 40s. Chance of
precipitation 40 percent.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 20s.
.TUESDAY...Partly cloudy. Highs 47 to 53.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy. Highs 50 to 56.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs 53 to 59.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs 56 to 62.

$$

WYZ024-231000-
Salt River and Wyoming Ranges-
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Mostly cloudy. Rain showers likely,
possibly mixed with snow showers early in the evening, then
chance of rain showers, possibly mixed with snow showers early in
the evening. Little or no new snow accumulation. Highs 38 to 46.
West winds around 15 mph. Chance of precipitation 60 percent.
.TONIGHT...Mostly cloudy then becoming partly cloudy late in the
evening then becoming mostly cloudy. Scattered rain showers and
snow showers early in the evening, then scattered snow showers in
the late evening and overnight. Lows 24 to 30. Chance of
precipitation 40 percent.
.SATURDAY...Mostly cloudy. Scattered snow showers early in the
morning, then scattered rain showers and snow showers in the late
morning and afternoon. Little or no snow accumulation. Highs
39 to 47. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Snow, possibly mixed with rain in the evening,
then snow after midnight. Snow accumulation of 1 to 3 inches.
Lows 24 to 30. Chance of precipitation 90 percent.
.SUNDAY...Snow likely in the morning, then rain, possibly mixed
with snow in the afternoon. Snow accumulation of 1 to 2 inches.
Highs 37 to 43. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Cloudy. Snow likely, possibly mixed with rain in
the evening, then snow likely after midnight. Snow accumulation
of 1 to 2 inches. Total snow accumulation 3 to 7 inches. Lows
24 to 30. Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain, possibly mixed with snow in the afternoon. Highs
40 to 46. Chance of precipitation 40 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
23 to 29.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 43 to 51.
.TUESDAY NIGHT...Partly cloudy. Lows 25 to 31.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs
46 to 54.
.WEDNESDAY NIGHT...Mostly clear. Lows 25 to 31.
.THURSDAY...Mostly sunny. Highs 51 to 57.
.THURSDAY NIGHT...Mostly clear. Lows 28 to 34.
.FRIDAY...Mostly sunny. Highs 52 to 58.

$$

WYZ030-231000-
East Sweetwater County-
Including the city of Wamsutter
309 PM MDT Fri Sep 22 2017

.LATE THIS AFTERNOON...Breezy. Partly cloudy with scattered rain
showers and isolated thunderstorms. Highs 56 to 60. Southwest
winds 15 to 25 mph with gusts to around 40 mph. Chance of
precipitation 30 percent.
.TONIGHT...Breezy. Partly cloudy until early morning then
becoming mostly cloudy. Slight chance of thunderstorms early in
the evening. Scattered rain showers through the night, then
scattered snow showers after midnight. Lows 33 to 37. Northwest
winds 15 to 25 mph in the evening. Chance of precipitation
30 percent.
.SATURDAY...Mostly cloudy. Scattered snow showers early in the
morning. Scattered rain showers through the day, then slight
chance of thunderstorms in the afternoon. Highs 49 to 54.
Northeast winds around 15 mph late in the morning becoming east
around 15 mph late in the afternoon. Chance of precipitation
30 percent.
.SATURDAY NIGHT...Breezy. Rain likely in the evening, then snow,
possibly mixed with rain after midnight. Snow accumulation up to
1 inch. Lows 30 to 34. Northeast winds 15 to 20 mph. Chance of
precipitation 70 percent.
.SUNDAY...Snow, possibly mixed with rain in the morning, then
rain likely in the afternoon. Snow accumulation of 1 to 2 inches.
Highs 42 to 47. Northeast winds around 15 mph. Chance of
precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain and snow in the
evening, then chance of snow after midnight. Snow accumulation up
to 1 inch. Total snow accumulation 1 to 4 inches. Lows around 28.
Northeast winds around 15 mph in the evening. Chance of
precipitation 50 percent.
.MONDAY...Mostly cloudy. Chance of snow, possibly mixed with rain
in the morning, then slight chance of rain in the afternoon.
Highs in the 40s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Partly cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy. Highs in the mid to upper 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs around 60.

$$





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