Zone Forecast Product
Issued by NWS Riverton, WY

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388
FPUS55 KRIW 210057
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
656 PM MDT Wed Sep 20 2017

WYZ020-211000-
Natrona County Lower Elevations-
Including the city of Casper
656 PM MDT Wed Sep 20 2017

.TONIGHT...Breezy. Partly cloudy. Lows around 43. Southwest winds
15 to 20 mph early in the evening.
.THURSDAY...Mostly sunny early in the morning then becoming
partly cloudy. Highs 67 to 72. Southwest winds around 15 mph in
the late morning and afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows 36 to 40. Northeast winds
around 15 mph until early morning.
.FRIDAY...Cooler. Mostly cloudy with a 40 percent chance of rain
showers. Highs 54 to 59. Northeast winds around 15 mph.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers in the
evening, then chance of rain showers and snow showers after
midnight. Little or no snow accumulation. Lows 33 to 37.
Northeast winds around 15 mph in the evening. Chance of
precipitation 50 percent.
.SATURDAY...Cooler, cloudy. Chance of rain and snow in the
morning, then rain likely in the afternoon. Highs 40 to 45.
Chance of precipitation 60 percent.
.SATURDAY NIGHT...Cloudy with a 40 percent chance of rain and
snow. Lows in the lower 30s.
.SUNDAY...Cloudy. Chance of snow, possibly mixed with rain in the
morning, then chance of rain in the afternoon. Highs in the lower
to mid 40s. Chance of precipitation 40 percent.
.SUNDAY NIGHT...Cloudy. Slight chance of rain and snow in the
evening, then chance of snow after midnight. Lows in the lower
30s. Chance of precipitation 30 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of rain and snow in
the morning. Highs in the mid to upper 40s.
.MONDAY NIGHT...Partly cloudy. Lows around 30.
.TUESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs near 50.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 50s.

$$

WYZ017-211000-
Wind River Basin-
Including the cities of Riverton and Shoshoni
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy. Lows around 43. Southwest winds around
15 mph early in the evening.
.THURSDAY...Partly cloudy early in the morning then becoming
mostly cloudy. Scattered rain showers. Highs 59 to 64. Chance of
showers 40 percent.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Rain showers likely. Lows around 38. North winds
around 15 mph early in the evening. Chance of showers 70 percent.
.FRIDAY...Cloudy. Chance of rain showers, possibly mixed with
snow showers in the morning, then chance of rain showers in the
afternoon. Highs 48 to 53. Chance of precipitation 40 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers in the
evening, then chance of rain showers and snow showers after
midnight. Snow accumulation up to 1 inch. Lows around 34. Chance
of precipitation 50 percent.
.SATURDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the lower 40s. Chance
of precipitation 50 percent.
.SATURDAY NIGHT...Cloudy with a 20 percent chance of rain,
possibly mixed with snow. Lows in the lower 30s.
.SUNDAY...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.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
and snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy. A 20 percent chance of rain and snow in
the morning. Highs in the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs around 50.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ018-211000-
Lander Foothills-
Including the city of Lander
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy. Lows around 43.
.THURSDAY...Partly cloudy until late afternoon then becoming
mostly cloudy. Scattered rain showers. Highs 59 to 63. Chance of
showers 30 percent.
.THURSDAY NIGHT...Cloudy with a 50 percent chance of rain
showers. Lows around 38.
.FRIDAY...Cloudy with a 50 percent chance of rain showers. Highs
48 to 52.
.FRIDAY NIGHT...Mostly cloudy. Chance of rain showers in the
evening, then chance of snow showers, possibly mixed with rain
showers after midnight. Snow accumulation up to 1 inch. Lows
around 33. Chance of precipitation 50 percent.
.SATURDAY...Cloudy. Chance of snow, possibly mixed with rain in
the morning, then chance of rain in the afternoon. Light snow
accumulations. Highs in the lower 40s. Chance of precipitation
50 percent.
.SATURDAY NIGHT...Cloudy with a 30 percent chance of rain,
possibly mixed with snow. Lows in the lower 30s.
.SUNDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
and snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy with slight chance of rain and snow in
the morning, then partly cloudy in the afternoon. Highs in the
upper 40s. Chance of precipitation 20 percent.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the lower 30s.
.TUESDAY...Mostly sunny. Highs in the lower 50s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ028-211000-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy. Lows around 42.
.THURSDAY...Partly cloudy. Highs 60 to 65. Southwest winds around
15 mph late in the afternoon.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers in the
evening, then rain showers likely, possibly mixed with snow
showers after midnight. Little or no snow accumulation. Lows
35 to 39. West winds around 15 mph early in the evening. Chance
of precipitation 60 percent.
.FRIDAY...Cooler. Mostly cloudy. Chance of rain showers, possibly
mixed with snow showers in the morning, then chance of rain
showers in the afternoon. No snow accumulation. Highs 47 to 51.
West winds around 15 mph in the afternoon. Chance of
precipitation 50 percent.
.FRIDAY NIGHT...Partly cloudy. Chance of rain showers in the
evening, then slight chance of snow showers after midnight. Lows
around 31. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the mid
40s to lower 50s. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain likely in the evening, then
chance of snow, possibly mixed with rain after midnight. Lows in
the lower 30s. Chance of precipitation 60 percent.
.SUNDAY...Mostly cloudy. Chance of snow, possibly mixed with rain
in the morning, then chance of rain in the afternoon. Highs in
the mid to upper 40s. Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then slight chance of snow after
midnight. Lows around 30. Chance of precipitation 40 percent.
.MONDAY...Partly cloudy. Highs in the upper 40s.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 30.
.TUESDAY...Mostly sunny. Highs in the lower 50s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ013-211000-
Jackson Hole-
Including the city of Jackson
656 PM MDT Wed Sep 20 2017

.TONIGHT...Widespread rain showers in the evening, then
widespread rain showers, possibly mixed with snow showers after
midnight. Snow accumulation up to 2 inches. Lows around 34.
Chance of precipitation 90 percent.
.THURSDAY...Widespread snow showers, possibly mixed with rain
showers. Little or no snow accumulation. Highs 39 to 43. Chance
of precipitation 90 percent.
.THURSDAY NIGHT...Snow showers, possibly mixed with rain showers
in the evening, then snow showers likely after midnight. Snow
accumulation of 1 to 2 inches. Lows 29 to 33. Chance of
precipitation 80 percent.
.FRIDAY...Cloudy. Snow showers likely in the morning, then chance
of snow showers, possibly mixed with rain showers in the
afternoon. Snow accumulation up to 1 inch. Total snow
accumulation 1 to 3 inches. Highs 37 to 41. Chance of
precipitation 60 percent.
.FRIDAY NIGHT...Cloudy with a 20 percent chance of snow showers.
Lows around 26.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of rain, possibly mixed with snow in the
afternoon. Highs 43 to 48. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid to upper 20s.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the 40s.
.SUNDAY NIGHT...Mostly cloudy with slight chance of rain and snow
in the evening, then partly cloudy after midnight. Lows in the
mid to upper 20s. Chance of precipitation 20 percent.
.MONDAY...Partly cloudy. Highs 44 to 49.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.TUESDAY...Partly cloudy. Highs 47 to 52.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
near 30.
.WEDNESDAY...Mostly sunny. A 20 percent chance of snow in the
morning. Highs 50 to 55.

$$

WYZ003-211000-
Cody Foothills-
Including the cities of Cody and Meeteetse
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
scattered rain showers after midnight. Lows 38 to 42. Southwest
winds around 15 mph early in the evening. Chance of showers
40 percent.
.THURSDAY...Mostly cloudy. Scattered snow showers early in the
morning. Scattered rain showers in the morning, then numerous
rain showers in the afternoon. Little or no snow accumulation.
Highs 43 to 48. Chance of precipitation 60 percent.
.THURSDAY NIGHT...Colder. Snow showers, possibly mixed with rain
showers. Snow accumulation up to 3 inches. Lows 30 to 34. North
winds around 15 mph in the late evening and overnight. Chance of
precipitation 80 percent.
.FRIDAY...Snow showers, possibly mixed with rain showers. Snow
accumulation of 1 to 2 inches. Total snow accumulation 1 to
5 inches. Highs 37 to 41. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Cloudy. Chance of snow showers, possibly mixed
with rain showers in the evening, then chance of snow showers
after midnight. Lows 27 to 31. Chance of precipitation
30 percent.
.SATURDAY...Cloudy. Chance of snow in the morning, then chance of
rain, possibly mixed with snow in the afternoon. Highs near 40.
Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain and
snow in the evening. Lows near 30.
.SUNDAY...Mostly cloudy. Highs in the lower to mid 40s.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening. Lows near 30. Chance of precipitation
30 percent.
.MONDAY...Partly cloudy. Slight chance of rain in the afternoon.
Highs in the 40s. Chance of rain 20 percent.
.MONDAY NIGHT...Partly cloudy. Lows 28 to 33.
.TUESDAY...Partly cloudy. Highs in the mid 40s to lower 50s.
.TUESDAY NIGHT...Mostly clear. Lows 30 to 35.
.WEDNESDAY...Mostly sunny. Highs near 50.

$$

WYZ004-211000-
North Big Horn Basin-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
scattered rain showers after midnight. Lows around 44. Chance of
showers 30 percent.
.THURSDAY...Mostly cloudy. Scattered rain showers in the morning,
then numerous rain showers early in the afternoon. Scattered rain
showers late in the afternoon. Highs 50 to 55. Chance of showers
60 percent.
.THURSDAY NIGHT...Rain showers likely in the evening, then rain
showers, possibly mixed with snow showers after midnight. Little
or no snow accumulation. Lows 35 to 39. Northwest winds around
15 mph. Chance of precipitation 70 percent.
.FRIDAY...Rain showers, possibly mixed with snow showers in the
morning, then rain showers likely in the afternoon. Little or no
snow accumulation. Highs 44 to 49. Northwest winds around 15 mph.
Chance of precipitation 60 percent.
.FRIDAY NIGHT...Cloudy with a 30 percent chance of rain showers,
possibly mixed with snow showers. Lows 32 to 36. Northwest winds
around 15 mph in the evening.
.SATURDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the 40s. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Cloudy. A 20 percent chance of rain, possibly
mixed with snow in the evening. Lows in the lower 30s.
.SUNDAY...Mostly cloudy. Highs in the mid to upper 40s.
.SUNDAY NIGHT...Mostly cloudy with slight chance of rain in the
evening, then partly cloudy with slight chance of rain and snow
after midnight. Lows in the mid 30s. Chance of precipitation
20 percent.
.MONDAY...Partly cloudy. Slight chance of rain and snow in the
morning. Highs in the upper 40s. Chance of precipitation
20 percent.
.MONDAY NIGHT...Partly cloudy. Slight chance of rain in the
evening. Lows in the mid 30s. Chance of rain 20 percent.
.TUESDAY...Partly cloudy. Highs in the lower 50s.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the mid 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ006-211000-
Southeast Big Horn Basin-
Including the city of Worland
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
scattered rain showers after midnight. Lows around 43. Chance of
showers 30 percent.
.THURSDAY...Mostly cloudy with scattered rain showers. Highs
55 to 60. Chance of showers 30 percent.
.THURSDAY NIGHT...Cloudy. Rain showers likely in the evening,
then rain showers, possibly mixed with snow showers after
midnight. No snow accumulation. Lows around 37. Chance of
precipitation 60 percent.
.FRIDAY...Cloudy. Chance of rain showers, possibly mixed with
snow showers in the morning, then chance of rain showers in the
afternoon. Highs 47 to 51. Chance of precipitation 40 percent.
.FRIDAY NIGHT...Cloudy. Chance of rain showers in the evening,
then chance of rain showers and snow showers after midnight. Lows
around 35. Chance of precipitation 40 percent.
.SATURDAY...Cloudy. Chance of rain and snow in the morning, then
chance of rain in the afternoon. Highs in the lower 40s. Chance
of precipitation 40 percent.
.SATURDAY NIGHT...Cloudy with a 30 percent chance of rain and
snow. Lows in the lower 30s.
.SUNDAY...Mostly cloudy. Slight chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the mid
40s. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening, then chance of snow, possibly mixed with rain after
midnight. Lows in the lower 30s. Chance of precipitation
30 percent.
.MONDAY...Mostly cloudy with a 20 percent chance of rain and snow
in the morning, then partly cloudy in the afternoon. Highs in the
upper 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs around 50.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ005-211000-
Southwest Big Horn Basin-
Including the city of Thermopolis
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
scattered rain showers after midnight. Lows around 43. Chance of
showers 30 percent.
.THURSDAY...Cloudy with scattered rain showers. Highs 52 to 57.
Chance of showers 30 percent.
.THURSDAY NIGHT...Rain showers likely in the evening, then rain
showers, possibly mixed with snow showers after midnight. Little
or no snow accumulation. Lows 34 to 38. Chance of precipitation
60 percent.
.FRIDAY...Cloudy. Rain showers, possibly mixed with snow showers
in the morning, then chance of rain showers, possibly mixed with
snow showers in the afternoon. Little or no snow accumulation.
Highs 44 to 49. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers, possibly mixed with snow showers. Lows 31 to 35.
.SATURDAY...Cloudy. Chance of snow, possibly mixed with rain in
the morning, then chance of rain in the afternoon. Highs in the
lower 40s. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Cloudy with chance of rain, possibly mixed with
snow. Lows in the lower to mid 30s. Chance of precipitation
30 percent.
.SUNDAY...Mostly cloudy. Slight chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the mid
40s. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of rain,
possibly mixed with snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy with a 20 percent chance of rain and snow
in the morning, then partly cloudy in the afternoon. Highs in the
mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy in the morning then clearing. Highs in
the upper 40s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ023-211000-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
656 PM MDT Wed Sep 20 2017

.TONIGHT...Widespread rain showers until early morning, then
widespread rain showers, possibly mixed with snow showers late in
the night. No snow accumulation. Lows around 35. Chance of
precipitation 90 percent.
.THURSDAY...Widespread snow showers, possibly mixed with rain
showers in the morning, then widespread rain showers in the
afternoon. Little or no snow accumulation. Highs around 42.
Chance of precipitation 90 percent.
.THURSDAY NIGHT...Rain showers and snow showers likely in the
evening, then snow showers likely after midnight. Snow
accumulation around 1 inch. Lows around 31. Chance of
precipitation 70 percent.
.FRIDAY...Cloudy. Chance of snow showers in the morning, then
chance of rain showers and snow showers in the afternoon. Little
or no snow accumulation. Highs around 40. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Lows around 27.
.SATURDAY...Partly cloudy. Slight chance of snow in the morning,
then slight chance of rain in the afternoon. Highs in the mid 40s
to lower 50s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Mostly cloudy. Slight chance of rain in the afternoon.
Highs in the mid 40s to lower 50s. Chance of rain 20 percent.
.SUNDAY NIGHT...Mostly cloudy with slight chance of rain and snow
in the evening, then partly cloudy after midnight. Lows in the
upper 20s. Chance of precipitation 20 percent.
.MONDAY...Partly cloudy. Highs around 50.
.MONDAY NIGHT...Partly cloudy in the evening, then mostly clear
with slight chance of snow after midnight. Lows in the upper 20s.
Chance of snow 20 percent.
.TUESDAY...Partly cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
near 30.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ025-211000-
Upper Green River Basin Foothills-
Including the city of Pinedale
656 PM MDT Wed Sep 20 2017

.TONIGHT...Scattered rain showers early in the evening, then
widespread rain showers early in the evening. Widespread snow
showers late in the evening. Snow accumulation up to 1 inch. Lows
around 35. Chance of precipitation 80 percent.
.THURSDAY...Widespread snow showers and rain showers in the
morning, then numerous rain showers in the afternoon. Little or
no snow accumulation. Highs 44 to 49. Chance of precipitation
80 percent.
.THURSDAY NIGHT...Rain showers, possibly mixed with snow showers.
Snow accumulation up to 3 inches. Lows 30 to 34. Chance of
precipitation 70 percent.
.FRIDAY...Cloudy. Snow showers likely, possibly mixed with rain
showers in the morning, then chance of rain showers, possibly
mixed with snow showers in the afternoon. Snow accumulation up to
1 inch. Total snow accumulation up to 4 inches. Highs 40 to 44.
Chance of precipitation 60 percent.
.FRIDAY NIGHT...Mostly cloudy. Slight chance of snow showers,
possibly mixed with rain showers in the evening, then slight
chance of snow showers after midnight. Lows 24 to 28. Chance of
precipitation 20 percent.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of rain in the afternoon. Highs in the lower
to mid 40s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy. Slight chance of rain and snow
in the evening. Lows in the mid to upper 20s. Chance of
precipitation 20 percent.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain in the afternoon. Highs in the lower to mid 40s.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then slight chance of snow after
midnight. Lows in the mid to upper 20s. Chance of precipitation
40 percent.
.MONDAY...Partly cloudy. Slight chance of snow in the morning.
Highs in the mid 40s. Chance of snow 20 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the 20s.
.TUESDAY...Partly cloudy. Highs in the upper 40s.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the mid to upper 20s.
.WEDNESDAY...Mostly sunny. Highs near 50.

$$

WYZ026-211000-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
656 PM MDT Wed Sep 20 2017

.TONIGHT...Mostly cloudy with scattered rain showers, then mostly
cloudy with scattered rain showers, possibly mixed with snow
showers and late in the night. Lows around 38. West winds around
15 mph early in the evening. Chance of precipitation 40 percent.
.THURSDAY...Mostly cloudy. Scattered rain showers, possibly mixed
with snow showers early in the morning, then scattered rain
showers in the late morning and afternoon. Highs 53 to 58. Chance
of precipitation 30 percent.
.THURSDAY NIGHT...Rain showers likely in the evening, then rain
showers and snow showers likely after midnight. Little or no snow
accumulation. Lows around 35. Chance of precipitation 60 percent.
.FRIDAY...Mostly cloudy. Chance of rain showers and snow showers
in the morning, then chance of rain showers in the afternoon.
Little or no snow accumulation. Highs 45 to 49. Southwest winds
around 15 mph in the afternoon. Chance of precipitation
50 percent.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers,
possibly mixed with snow showers in the evening, then partly
cloudy with slight chance of snow showers after midnight. Lows
27 to 31. Chance of precipitation 30 percent.
.SATURDAY...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.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then chance of snow after midnight.
Lows near 30. Chance of precipitation 40 percent.
.SUNDAY...Mostly cloudy. Chance of snow, possibly mixed with rain
in the morning, then chance of rain in the afternoon. Highs in
the 40s. Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then slight chance of snow after
midnight. Lows near 30. Chance of precipitation 40 percent.
.MONDAY...Partly cloudy. Highs in the mid to upper 40s.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the mid 20s to lower 30s.
.TUESDAY...Mostly sunny. Highs near 50.
.TUESDAY NIGHT...Mostly clear. Lows near 30.
.WEDNESDAY...Mostly sunny. Highs in the lower to mid 50s.

$$

WYZ010-211000-
Northeast Johnson County-
Including the city of Buffalo
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Lows around 43. Southwest winds around 15 mph early in
the evening.
.THURSDAY...Mostly cloudy. Highs 55 to 60.
.THURSDAY NIGHT...Partly cloudy. Chance of rain showers in the
evening, then chance of rain showers and snow showers after
midnight. Lows around 37. North winds around 15 mph early in the
evening. Chance of precipitation 30 percent.
.FRIDAY...Cloudy with a 30 percent chance of rain showers. Highs
48 to 52.
.FRIDAY NIGHT...Cloudy. Chance of rain showers in the evening,
then chance of rain showers and snow showers after midnight. Lows
around 34. Chance of precipitation 40 percent.
.SATURDAY...Rain and snow likely in the morning, then chance of
rain in the afternoon. Highs in the lower 40s. Chance of
precipitation 60 percent.
.SATURDAY NIGHT...Cloudy with a 50 percent chance of rain and
snow. Lows in the lower 30s.
.SUNDAY...Cloudy. Chance of rain in the afternoon. Highs in the
mid 40s. Chance of rain 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of rain,
possibly mixed with snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy. A 20 percent chance of rain in the
afternoon. Highs in the mid to upper 40s.
.MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain,
possibly mixed with snow in the evening, then partly cloudy after
midnight. 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 in the evening then clearing. Lows
in the mid 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 50s.

$$

WYZ011-211000-
Southeast Johnson County-
Including the city of Kaycee
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy. Lows around 43. Southwest winds around
15 mph early in the evening.
.THURSDAY...Partly cloudy. Highs 60 to 65.
.THURSDAY NIGHT...Partly cloudy. Lows around 37. North winds
around 15 mph in the evening.
.FRIDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs 51 to 55.
.FRIDAY NIGHT...Cloudy. Chance of rain showers in the evening,
then chance of rain showers and snow showers after midnight.
Little or no snow accumulation. Lows around 35. Chance of
precipitation 50 percent.
.SATURDAY...Colder, cloudy. Chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the lower
40s. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Cloudy. Chance of rain, possibly mixed with
snow in the evening, then slight chance of snow after midnight.
Lows in the lower 30s. Chance of precipitation 40 percent.
.SUNDAY...Cloudy. Slight chance of rain and snow in the morning,
then chance of rain in the afternoon. Highs in the mid 40s.
Chance of precipitation 30 percent.
.SUNDAY NIGHT...Cloudy with a 20 percent chance of rain, possibly
mixed with snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy. Highs in the upper 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.TUESDAY...Partly cloudy. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the upper 50s.

$$

WYZ027-211000-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Scattered rain showers. Lows around 37. West winds around
15 mph early in the evening. Chance of showers 40 percent.
.THURSDAY...Cloudy. Scattered rain showers and snow showers early
in the morning, then scattered rain showers in the late morning
and afternoon. Highs 50 to 55. Chance of precipitation
30 percent.
.THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the
evening, then chance of snow showers, possibly mixed with rain
showers after midnight. Snow accumulation up to 1 inch. Lows
around 31. West winds around 15 mph early in the evening. Chance
of precipitation 60 percent.
.FRIDAY...Mostly cloudy. Chance of snow showers, possibly mixed
with rain showers in the morning, then chance of rain showers in
the afternoon. Highs around 45. West winds around 15 mph in the
afternoon. Chance of precipitation 30 percent.
.FRIDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows around 27. Chance of snow 20 percent.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of rain in the afternoon. Highs in the upper
40s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Rain likely, possibly mixed with
snow in the evening, then chance of snow after midnight. Lows in
the upper 20s. Chance of precipitation 60 percent.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain in the afternoon. Highs in the mid 40s. Chance of
precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy with chance of rain, possibly mixed
with snow in the evening, then partly cloudy with slight chance
of snow after midnight. Lows in the upper 20s. Chance of
precipitation 30 percent.
.MONDAY...Partly cloudy. Highs in the upper 40s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 20s.
.TUESDAY...Mostly sunny. Highs in the lower 50s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ016-211000-
Upper Wind River Basin-
Including the city of Dubois
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy early in the evening then becoming
mostly cloudy. Scattered rain showers early in the evening.
Numerous rain showers in the late evening and overnight. Numerous
snow showers after midnight. Snow accumulation up to 1 inch. Lows
36 to 40. Chance of precipitation 70 percent.
.THURSDAY...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
47 to 52. Chance of precipitation 70 percent.
.THURSDAY NIGHT...Rain showers with snow showers. Snow
accumulation up to 3 inches. Lows 32 to 36. Chance of
precipitation 80 percent.
.FRIDAY...Snow showers, possibly mixed with rain showers in the
morning, then snow showers likely, possibly mixed with rain
showers in the afternoon. Snow accumulation up to 1 inch. Highs
41 to 45. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers, possibly
mixed with rain showers in the evening, then chance of snow
showers after midnight. Snow accumulation around 1 inch. Total
snow accumulation 1 to 5 inches. Lows 27 to 32. Chance of
precipitation 50 percent.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain in the afternoon. Highs in the lower 40s. Chance
of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then slight chance of snow after
midnight. Lows in the mid 20s to lower 30s. Chance of
precipitation 30 percent.
.SUNDAY...Mostly cloudy. Slight chance of snow in the morning,
then chance of rain in the afternoon. Highs in the lower 40s.
Chance of precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then chance of snow after midnight.
Lows in the mid 20s to lower 30s. Chance of precipitation
40 percent.
.MONDAY...Partly cloudy. Chance of snow in the morning, then
slight chance of rain in the afternoon. Highs in the lower to mid
40s. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s to lower 30s.
.TUESDAY...Partly cloudy in the morning then clearing. Highs in
the mid 40s to lower 50s.
.TUESDAY NIGHT...Mostly clear. Lows around 30.
.WEDNESDAY...Mostly sunny. Highs near 50.

$$

WYZ001-211000-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
656 PM MDT Wed Sep 20 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Widespread snow showers, possibly mixed with rain
showers until early morning, then widespread snow showers late in
the night. Snow accumulation of 3 to 5 inches. Lows 27 to 33.
Southwest winds around 15 mph early in the evening. Chance of
precipitation 90 percent.
.THURSDAY...Widespread snow showers early in the morning, then
widespread snow showers, possibly mixed with rain showers in the
late morning and afternoon. Snow accumulation up to 2 inches.
Highs 34 to 40. Chance of precipitation 80 percent.
.THURSDAY NIGHT...Snow showers. Snow accumulation of 2 to
4 inches. Lows 24 to 30. Chance of snow 80 percent.
.FRIDAY...Snow showers likely in the morning, then snow showers,
possibly mixed with rain showers in the afternoon. Snow
accumulation of 1 to 2 inches. Total snow accumulation 6 to
14 inches. Highs 33 to 39. Chance of precipitation 70 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 20 to 26.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of rain and snow in the afternoon. Highs 36 to
42. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the lower 20s.
.SUNDAY...Partly cloudy. Highs 35 to 41.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. A 20 percent chance of rain and snow in
the afternoon. Highs 37 to 43.
.MONDAY NIGHT...Partly cloudy. Lows 20 to 26.
.TUESDAY...Partly cloudy. Highs 38 to 44.
.TUESDAY NIGHT...Partly cloudy. Lows 24 to 30.
.WEDNESDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs 42 to 48.

$$

WYZ029-211000-
Flaming Gorge-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening then clearing. Lows
around 45.
.THURSDAY...Breezy. Partly cloudy then becoming mostly sunny
early in the afternoon then becoming partly cloudy. Highs 64 to
68. South winds 15 to 25 mph in the late morning and afternoon.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 30 percent chance of rain showers. Lows 38 to
42. Southwest winds around 15 mph early in the evening.
.FRIDAY...Cooler. Cloudy with a 50 percent chance of rain
showers. Highs 49 to 53. West winds around 15 mph in the
afternoon.
.FRIDAY NIGHT...Mostly cloudy with chance of rain showers in the
evening, then partly cloudy with slight chance of rain showers
and snow showers after midnight. Lows 31 to 35. Chance of
precipitation 30 percent.
.SATURDAY...Mostly cloudy. Slight chance of rain and snow in the
morning, then slight chance of rain in the afternoon. Highs near
50. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then chance of rain and snow after midnight. Lows in the lower
30s. Chance of precipitation 40 percent.
.SUNDAY...Mostly cloudy. Chance of rain and snow in the morning,
then chance of rain in the afternoon. Highs in the mid to upper
40s. Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
and snow. Lows in the lower 30s.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the mid 40s to lower 50s.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the lower 30s.
.TUESDAY...Mostly sunny. Highs in the lower to mid 50s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 50s.

$$

WYZ022-211000-
Casper Mountain-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Breezy. Partly cloudy until early morning then
clearing. Lows 42 to 48. Southwest winds around 15 mph early in
the evening becoming south 15 to 20 mph after midnight.
.THURSDAY...Breezy. Mostly sunny. Highs 65 to 71. Southwest winds
15 to 20 mph.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows around 41. Southwest winds around 15 mph
early in the evening.
.FRIDAY...Cooler. Partly cloudy in the morning then becoming
mostly cloudy. A 50 percent chance of rain showers. Highs 52 to
58. Southwest winds around 15 mph in the afternoon.
.FRIDAY NIGHT...Rain showers likely in the evening, then rain
showers, possibly mixed with snow showers after midnight. Little
or no snow accumulation. Lows 32 to 38. Chance of precipitation
60 percent.
.SATURDAY...Cooler. Rain, possibly mixed with snow in the
morning, then rain likely in the afternoon. Highs 39 to 45.
Chance of precipitation 70 percent.
.SATURDAY NIGHT...Cloudy with a 50 percent chance of rain,
possibly mixed with snow. Light snow accumulations. Lows 28 to
34.
.SUNDAY...Cloudy with a 50 percent chance of snow, possibly mixed
with rain. Highs 37 to 43.
.SUNDAY NIGHT...Cloudy. Chance of snow, possibly mixed with rain
in the evening, then chance of snow after midnight. Lows 27 to
33. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. Chance of snow, possibly mixed with rain
in the morning, then slight chance of rain in the afternoon.
Highs 39 to 45. Chance of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy. Lows 26 to 32.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
44 to 50.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
29 to 35.
.WEDNESDAY...Mostly sunny. Highs 49 to 55.

$$

WYZ002-211000-
Absaroka Mountains-
656 PM MDT Wed Sep 20 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Breezy. Numerous snow showers, possibly mixed with
rain showers early in the evening, then widespread snow showers,
possibly mixed with rain showers early in the evening. Snow
accumulation of 1 to 4 inches. Lows 29 to 35. West winds 15 to
20 mph. Chance of precipitation 90 percent.
.THURSDAY...Widespread snow showers, possibly mixed with rain
showers. Snow accumulation up to 4 inches. Highs 33 to 41. Chance
of precipitation 80 percent.
.THURSDAY NIGHT...Snow showers. Snow accumulation of 5 to
7 inches. Lows 23 to 29. Chance of snow 90 percent.
.FRIDAY...Snow showers. Snow accumulation of 2 to 3 inches. Total
snow accumulation 8 to 19 inches. Highs 30 to 38. Chance of snow
80 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 19 to 25.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
32 to 40. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of snow.
Light snow accumulations. Lows 19 to 25.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
31 to 39. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of snow.
Lows 20 to 26.
.MONDAY...Partly cloudy. Chance of snow in the morning, then
chance of rain and snow in the afternoon. Highs 32 to 40. Chance
of precipitation 30 percent.
.MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows 20 to 26.
.TUESDAY...Partly cloudy. Highs 35 to 43.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
23 to 29.
.WEDNESDAY...Partly cloudy in the morning, then mostly sunny in
the afternoon. Highs 38 to 46.

$$

WYZ007-211000-
Owl Creek and Bridger Mountains-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening, then mostly cloudy with
scattered rain showers after midnight. Lows 38 to 44. Southwest
winds around 15 mph in the evening. Chance of showers 30 percent.
.THURSDAY...Cloudy. Scattered rain showers in the morning, then
numerous rain showers early in the afternoon. Scattered rain
showers late in the afternoon. Highs 46 to 56. Chance of showers
60 percent.
.THURSDAY NIGHT...Colder. Rain showers, possibly mixed with snow
showers. Snow accumulation up to 3 inches. Lows 31 to 37. North
winds around 15 mph in the evening. Chance of precipitation
80 percent.
.FRIDAY...Snow showers, possibly mixed with rain showers in the
morning, then snow showers likely, possibly mixed with rain
showers in the afternoon. Snow accumulation up to 1 inch. Highs
39 to 47. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Cloudy. Chance of rain showers and snow showers
in the evening, then chance of snow showers after midnight. Snow
accumulation of 1 to 2 inches. Lows 27 to 33. North winds around
15 mph in the evening. Chance of precipitation 50 percent.
.SATURDAY...Cloudy. Chance of snow in the morning, then chance of
rain and snow in the afternoon. Light snow accumulations. Highs
35 to 41. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Cloudy. Chance of snow, possibly mixed with
rain in the evening, then chance of snow after midnight. Lows
27 to 33. Chance of precipitation 40 percent.
.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 40 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then chance of snow after midnight.
Lows 27 to 33. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy with slight chance of snow in the
morning, then partly cloudy in the afternoon. Highs 39 to 45.
Chance of snow 20 percent.
.MONDAY NIGHT...Partly cloudy. Lows 27 to 33.
.TUESDAY...Partly cloudy. Highs 42 to 48.
.TUESDAY NIGHT...Mostly clear. Lows 29 to 35.
.WEDNESDAY...Mostly sunny. Highs 47 to 53.

$$

WYZ008-211000-
Bighorn Mountains West-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy early in the evening then becoming
mostly cloudy. Scattered rain showers, possibly mixed with snow
showers in the late evening and overnight. Numerous snow showers,
possibly mixed with rain showers late in the night. Snow
accumulation up to 1 inch. Lows 35 to 43. South winds around
15 mph until early morning. Chance of precipitation 60 percent.
.THURSDAY...Cloudy. Numerous rain showers, possibly mixed with
snow showers in the morning, then widespread rain showers in the
afternoon. Little or no snow accumulation. Highs 43 to 53.
Southwest winds around 15 mph late in the afternoon. Chance of
precipitation 80 percent.
.THURSDAY NIGHT...Colder. Snow showers with rain showers in the
evening, then snow showers, possibly mixed with rain showers
after midnight. Snow accumulation up to 2 inches. Lows 28 to 36.
Chance of precipitation 80 percent.
.FRIDAY...Snow showers, possibly mixed with rain showers. Snow
accumulation up to 2 inches. Highs 36 to 46. Chance of
precipitation 80 percent.
.FRIDAY NIGHT...Cloudy with a 50 percent chance of snow showers,
possibly mixed with rain showers. Snow accumulation of 1 to
3 inches. Lows 25 to 33.
.SATURDAY...Cloudy. Chance of snow, possibly mixed with rain in
the morning, then snow likely, possibly mixed with rain in the
afternoon. Moderate snow accumulations. Highs 33 to 41. Chance of
precipitation 60 percent.
.SATURDAY NIGHT...Cloudy. Snow likely, possibly mixed with rain
in the evening, then chance of snow after midnight. Light snow
accumulations. Lows 24 to 32. Chance of precipitation 60 percent.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain and snow in the afternoon. Highs 32 to 42. Chance
of precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then chance of snow after midnight.
Lows 23 to 31. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
33 to 43. Chance of precipitation 40 percent.
.MONDAY NIGHT...Partly cloudy. Chance of snow, possibly mixed
with rain in the evening, then slight chance of snow after
midnight. Lows 24 to 32. Chance of precipitation 30 percent.
.TUESDAY...Partly cloudy. Highs 36 to 46.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
25 to 33.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs
41 to 51.

$$

WYZ009-211000-
Bighorn Mountains Southeast-
656 PM MDT Wed Sep 20 2017

.TONIGHT...Breezy. Partly cloudy then becoming mostly cloudy
after midnight then becoming partly cloudy. Scattered rain
showers in the late evening and overnight. Scattered snow showers
in the late evening and overnight. Lows 35 to 43. Southwest winds
15 to 20 mph until early morning. Chance of precipitation
30 percent.
.THURSDAY...Partly cloudy early in the morning then becoming
mostly cloudy. Scattered rain showers, possibly mixed with snow
showers and early in the morning, then scattered rain showers in
the late morning and afternoon. Highs 46 to 56. Chance of
precipitation 30 percent.
.THURSDAY NIGHT...Colder. Mostly cloudy in the evening then
becoming partly cloudy. Snow showers likely, possibly mixed with
rain showers. Snow accumulation up to 1 inch. Lows 29 to 35.
Northeast winds around 15 mph in the late evening and early
morning. Chance of precipitation 70 percent.
.FRIDAY...Mostly cloudy with snow showers likely, possibly mixed
with rain showers. Snow accumulation up to 1 inch. Highs 38 to
48. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Cloudy. Chance of snow showers, possibly mixed
with rain showers in the evening, then chance of snow showers
after midnight. Snow accumulation of 1 to 3 inches. Lows 26 to
32. Chance of precipitation 50 percent.
.SATURDAY...Snow likely in the morning, then snow likely,
possibly mixed with rain in the afternoon. Moderate snow
accumulations. Highs 33 to 39. Chance of precipitation
60 percent.
.SATURDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Light snow accumulations. Lows 24 to 30.
Chance of snow 60 percent.
.SUNDAY...Cloudy. Chance of snow in the morning, then chance of
rain and snow in the afternoon. Highs 32 to 40. Chance of
precipitation 50 percent.
.SUNDAY NIGHT...Cloudy. Snow likely, possibly mixed with rain in
the evening, then chance of snow after midnight. Lows 24 to 30.
Chance of precipitation 70 percent.
.MONDAY...Mostly cloudy. Slight chance of snow in the morning,
then chance of rain and snow in the afternoon. Highs 34 to 42.
Chance of precipitation 40 percent.
.MONDAY NIGHT...Partly cloudy with a 50 percent chance of snow.
Lows 24 to 30.
.TUESDAY...Partly cloudy. Highs 37 to 45.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
26 to 32.
.WEDNESDAY...Mostly sunny. Highs 43 to 51.

$$

WYZ012-211000-
Teton and Gros Ventre Mountains-
656 PM MDT Wed Sep 20 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Widespread rain showers and snow showers. Snow
accumulation of 2 to 5 inches. Lows 28 to 34. Southwest winds
around 15 mph in the evening. Chance of precipitation near
100 percent.
.THURSDAY...Widespread snow showers early in the morning, then
widespread snow showers, possibly mixed with rain showers in the
late morning and afternoon. Snow accumulation up to 4 inches.
Highs 34 to 40. Chance of precipitation near 100 percent.
.THURSDAY NIGHT...Snow showers. Snow accumulation of 2 to
4 inches. Lows 25 to 31. Chance of snow 90 percent.
.FRIDAY...Snow showers likely. Snow accumulation of 1 to
2 inches. Total snow accumulation 5 to 15 inches. Highs 32 to 38.
Chance of snow 70 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 20 to 26.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
35 to 41. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 30 percent chance of snow. Lows 20 to 26.
.SUNDAY...Mostly cloudy in the morning, then partly cloudy with
chance of rain and snow in the afternoon. Highs 35 to 43. Chance
of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. A 40 percent chance of snow. Lows 21 to 27.
.MONDAY...Partly cloudy. Highs 36 to 44.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of snow.
Lows 21 to 27.
.TUESDAY...Partly cloudy. Highs 38 to 46.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
24 to 30.
.WEDNESDAY...Mostly sunny. A 20 percent chance of snow in the
morning. Highs 41 to 49.

$$

WYZ014-211000-
Wind River Mountains West-
656 PM MDT Wed Sep 20 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Breezy. Numerous snow showers, possibly mixed with
rain showers early in the evening, then widespread rain showers
and snow showers. Snow accumulation up to 5 inches. Lows 29 to
37. Southwest winds 15 to 20 mph in the evening. Chance of
precipitation near 100 percent.
.THURSDAY...Widespread snow showers, possibly mixed with rain
showers. Snow accumulation up to 3 inches. Highs 38 to 48.
Southwest winds around 15 mph in the late morning and afternoon.
Chance of precipitation 90 percent.
.THURSDAY NIGHT...Snow showers, possibly mixed with rain showers
in the evening, then snow showers after midnight. Snow
accumulation of 2 to 5 inches. Lows 25 to 33. Chance of
precipitation 90 percent.
.FRIDAY...Snow showers in the morning, then snow showers likely,
possibly mixed with rain showers in the afternoon. Snow
accumulation of 1 to 2 inches. Total snow accumulation 3 to
15 inches. Highs 30 to 40. Southwest winds around 15 mph in the
afternoon. Chance of precipitation 80 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 20 to 26.
.SATURDAY...Mostly cloudy. Chance of snow in the morning, then
chance of snow, possibly mixed with rain in the afternoon. Highs
31 to 39. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Snow likely in the evening, then
chance of snow after midnight. Light snow accumulations. Lows
21 to 27. Chance of snow 60 percent.
.SUNDAY...Mostly cloudy. Snow likely in the morning, then snow
likely, possibly mixed with rain in the afternoon. Highs 30 to
38. Chance of precipitation 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Snow likely in the evening, then
chance of snow after midnight. Lows 19 to 27. Chance of snow
60 percent.
.MONDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy with chance of snow, possibly mixed with rain in
the afternoon. Highs 32 to 40. Chance of precipitation
40 percent.
.MONDAY NIGHT...Partly cloudy with a 40 percent chance of snow.
Lows 20 to 26.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
35 to 45.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
21 to 27.
.WEDNESDAY...Mostly sunny. Highs 39 to 47.

$$

WYZ015-211000-
Wind River Mountains East-
656 PM MDT Wed Sep 20 2017

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Breezy. Numerous snow showers, possibly mixed with
rain showers early in the evening, then widespread snow showers,
possibly mixed with rain showers. Snow accumulation up to
5 inches. Lows 30 to 38. Southwest winds 15 to 25 mph. Chance of
precipitation 90 percent.
.THURSDAY...Breezy. Widespread snow showers, possibly mixed with
rain showers early in the morning, then widespread rain showers,
possibly mixed with snow showers in the late morning and
afternoon. Snow accumulation up to 3 inches. Highs 38 to 48.
Southwest winds 15 to 20 mph. Chance of precipitation 90 percent.
.THURSDAY NIGHT...Snow showers, possibly mixed with rain showers.
Snow accumulation of 2 to 6 inches. Lows 25 to 33. Chance of
precipitation 90 percent.
.FRIDAY...Snow showers in the morning, then snow showers likely,
possibly mixed with rain showers in the afternoon. Snow
accumulation of 1 to 2 inches. Highs 30 to 40. South winds around
15 mph. Chance of precipitation 80 percent.
.FRIDAY NIGHT...Colder. Mostly cloudy with a 50 percent chance of
snow showers. Snow accumulation of 2 to 3 inches. Lows 19 to 27.
.SATURDAY...Cloudy. Chance of snow in the morning, then snow
likely, possibly mixed with rain in the afternoon. Light snow
accumulations. Highs 30 to 38. Chance of precipitation
60 percent.
.SATURDAY NIGHT...Cloudy. Snow likely in the evening, then chance
of snow after midnight. Light snow accumulations. Lows 20 to 26.
Chance of snow 60 percent.
.SUNDAY...Mostly cloudy. Snow likely in the morning, then snow
likely, possibly mixed with rain in the afternoon. Highs 28 to
38. Chance of precipitation 70 percent.
.SUNDAY NIGHT...Mostly cloudy. Snow likely in the evening, then
chance of snow after midnight. Lows 19 to 27. Chance of snow
70 percent.
.MONDAY...Mostly cloudy with chance of snow in the morning, then
partly cloudy with chance of snow, possibly mixed with rain in
the afternoon. Highs 30 to 40. Chance of precipitation
40 percent.
.MONDAY NIGHT...Partly cloudy with a 40 percent chance of snow.
Lows 20 to 26.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
34 to 44.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
22 to 28.
.WEDNESDAY...Mostly sunny. Highs 38 to 48.

$$

WYZ019-211000-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
656 PM MDT Wed Sep 20 2017

.TONIGHT...Breezy. Partly cloudy. Lows 40 to 46. Southwest winds
15 to 20 mph early in the evening becoming southwest around
15 mph after midnight.
.THURSDAY...Breezy. Partly cloudy. Highs 60 to 68. Southwest
winds 15 to 20 mph.
.THURSDAY NIGHT...Partly cloudy. Chance of rain showers in the
evening, then chance of rain showers, possibly mixed with snow
showers and after midnight. Lows 35 to 41. Southwest winds around
15 mph early in the evening. Chance of precipitation 40 percent.
.FRIDAY...Mostly cloudy. Chance of rain showers, possibly mixed
with snow showers in the morning, then chance of rain showers in
the afternoon. Highs 48 to 56. Southwest winds around 15 mph.
Chance of precipitation 40 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers, possibly mixed with snow showers. Snow accumulation up
to 2 inches. Lows 29 to 35. Northwest winds around 15 mph in the
evening.
.SATURDAY...Cloudy. Chance of snow, possibly mixed with rain in
the morning, then rain likely in the afternoon. Light snow
accumulations. Highs 38 to 44. Chance of precipitation
60 percent.
.SATURDAY NIGHT...Cloudy. Chance of rain and snow in the evening,
then chance of snow after midnight. Lows around 30. Chance of
precipitation 30 percent.
.SUNDAY...Cloudy. Chance of snow in the morning, then chance of
rain, possibly mixed with snow in the afternoon. Highs 38 to 44.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy. Slight chance of rain and snow in
the evening, then chance of snow after midnight. Lows in the
upper 20s. Chance of precipitation 40 percent.
.MONDAY...Mostly cloudy. A 20 percent chance of snow in the
morning. Highs 41 to 47.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.TUESDAY...Partly cloudy. Highs 45 to 51.
.TUESDAY NIGHT...Mostly clear. Lows around 30.
.WEDNESDAY...Mostly sunny. Highs 49 to 55.

$$

WYZ024-211000-
Salt River and Wyoming Ranges-
656 PM MDT Wed Sep 20 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT FRIDAY...

.TONIGHT...Numerous rain showers early in the evening, then
widespread rain showers, possibly mixed with snow showers early
in the evening. Snow accumulation up to 2 inches. Lows 31 to 37.
Southwest winds around 15 mph early in the evening. Chance of
precipitation near 100 percent.
.THURSDAY...Widespread snow showers, possibly mixed with rain
showers early in the morning, then widespread rain showers,
possibly mixed with snow showers in the late morning and
afternoon. Snow accumulation up to 2 inches. Highs 38 to 46.
Chance of precipitation 90 percent.
.THURSDAY NIGHT...Snow showers, possibly mixed with rain showers
in the evening, then snow showers likely after midnight. Snow
accumulation of 1 to 2 inches. Lows 26 to 32. Chance of
precipitation 80 percent.
.FRIDAY...Mostly cloudy. Snow showers likely in the morning, then
snow showers likely, possibly mixed with rain showers in the
afternoon. Snow accumulation up to 1 inch. Total snow
accumulation 1 to 7 inches. Highs 34 to 42. Chance of
precipitation 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 22 to 28.
.SATURDAY...Mostly cloudy. Slight chance of snow in the morning,
then slight chance of rain and snow in the afternoon. Highs 37 to
45. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of snow, possibly mixed
with rain in the evening, then chance of snow after midnight.
Light snow accumulations. Lows 23 to 29. Chance of precipitation
50 percent.
.SUNDAY...Mostly cloudy. Chance of snow in the morning, then
chance of rain, possibly mixed with snow in the afternoon. Highs
38 to 44. Chance of precipitation 50 percent.
.SUNDAY 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 24 to 30. Chance of precipitation
40 percent.
.MONDAY...Partly cloudy. Highs 39 to 47.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
23 to 29.
.TUESDAY...Partly cloudy. Highs 42 to 50.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
25 to 31.
.WEDNESDAY...Mostly sunny. Highs 47 to 53.

$$

WYZ030-211000-
East Sweetwater County-
Including the city of Wamsutter
656 PM MDT Wed Sep 20 2017

.TONIGHT...Partly cloudy in the evening then clearing. Lows
around 44. Southwest winds around 15 mph early in the evening
becoming south around 15 mph after midnight.
.THURSDAY...Windy. Mostly sunny. Highs 65 to 69. Southwest winds
15 to 25 mph shifting to the south 25 to 30 mph late in the
afternoon.
.THURSDAY NIGHT...Breezy. Partly cloudy with a 30 percent chance
of rain showers. Lows 38 to 42. Southwest winds 20 to 25 mph
shifting to the south around 15 mph in the late evening and
overnight.
.FRIDAY...Breezy. Mostly cloudy with a 40 percent chance of rain
showers. Highs 53 to 58. Southwest winds 15 to 20 mph.
.FRIDAY NIGHT...Colder. Partly cloudy. Chance of rain showers in
the evening, then slight chance of rain showers and snow showers
after midnight. Lows 30 to 34. West winds around 15 mph in the
evening. Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy. Chance of rain, possibly mixed with
snow in the morning, then chance of rain in the afternoon. Highs
46 to 51. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening,
then chance of snow after midnight. Lows in the lower 30s. Chance
of precipitation 40 percent.
.SUNDAY...Mostly cloudy. Chance of rain and snow in the morning,
then chance of rain in the afternoon. Highs in the mid to upper
40s. Chance of precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain, possibly mixed
with snow in the evening, then chance of snow after midnight.
Lows around 30. Chance of precipitation 30 percent.
.MONDAY...Mostly cloudy. Highs in the mid to upper 40s.
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the upper 20s.
.TUESDAY...Mostly sunny. Highs around 50.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.WEDNESDAY...Mostly sunny. Highs in the lower to mid 50s.

$$





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