Zone Forecast Product
Issued by NWS Riverton, WY

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FPUS55 KRIW 230052
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
650 PM MDT Sun Oct 22 2017

WYZ020-231000-
Natrona County Lower Elevations-
Including the city of Casper
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows 33 to 37. West winds 15 to
25 mph until early morning.
.MONDAY...Breezy. Partly cloudy until late afternoon then
clearing. Highs around 51. Northwest winds 15 to 20 mph in the
late morning and afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 29. Northwest winds
around 15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs around 58. West winds around
15 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows around 38. Southwest winds around
15 mph after midnight.
.WEDNESDAY...Breezy, warmer, sunny. Highs near 70.
.WEDNESDAY NIGHT...Breezy. Mostly clear in the evening, then
mostly cloudy with a 40 percent chance of rain showers after
midnight. Lows in the lower 30s.
.THURSDAY...Much colder. Cloudy. Chance of snow showers, possibly
mixed with rain showers in the morning, then slight chance of
snow showers in the afternoon. Highs in the upper 30s. Chance of
precipitation 50 percent.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 18.
.FRIDAY...Mostly sunny. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy. Highs in the lower 50s.

$$

WYZ017-231000-
Wind River Basin-
Including the cities of Riverton and Shoshoni
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy. Lows around 36. West winds 20 to
30 mph becoming northwest around 15 mph after midnight.
.MONDAY...Partly cloudy in the morning then clearing. Highs 52 to
56. North winds around 15 mph late in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 31.
.TUESDAY...Mostly sunny. Highs 57 to 61.
.TUESDAY NIGHT...Clear. Lows around 36.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 30 percent chance of rain showers after midnight.
Lows in the mid 30s.
.THURSDAY...Much colder. Mostly cloudy. A 40 percent chance of
snow showers, possibly mixed with rain showers in the morning.
Highs in the upper 30s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows in the lower to mid 20s.
.FRIDAY...Mostly sunny. Highs around 40.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the mid 20s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 30.
.SUNDAY...Mostly sunny. Highs in the lower 50s.

$$

WYZ018-231000-
Lander Foothills-
Including the city of Lander
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy then becoming mostly clear late
in the evening then becoming partly cloudy. Lows around 37.
Southwest winds 15 to 20 mph in the evening.
.MONDAY...Mostly sunny. Highs around 56.
.MONDAY NIGHT...Mostly clear. Lows around 32.
.TUESDAY...Sunny. Highs around 60.
.TUESDAY NIGHT...Clear. Lows around 37.
.WEDNESDAY...Sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a 30 percent chance of rain showers after midnight.
Lows in the mid 30s.
.THURSDAY...Much colder. Mostly cloudy. A 40 percent chance of
snow showers, possibly mixed with rain showers in the morning.
Highs in the upper 30s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows in the lower 20s.
.FRIDAY...Mostly sunny. Highs around 40.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the mid 20s.
.SATURDAY...Mostly sunny. Highs around 50.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ028-231000-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows around 37. West winds
15 to 25 mph.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 54 to 58. West winds 15 to 20 mph.
.MONDAY NIGHT...Breezy, colder. Mostly clear. Lows 27 to 31.
Northwest winds 15 to 20 mph in the evening.
.TUESDAY...Sunny. Highs 57 to 61.
.TUESDAY NIGHT...Clear. Lows 29 to 33.
.WEDNESDAY...Sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Clear in the evening then becoming partly
cloudy. Lows in the lower to mid 30s.
.THURSDAY...Cooler. Partly cloudy. Highs in the 40s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 18 to 22.
.FRIDAY...Mostly sunny. Highs in the mid to upper 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 20s.
.SATURDAY...Mostly sunny. Highs in the lower to mid 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid to upper 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ013-231000-
Jackson Hole-
Including the city of Jackson
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy, cloudy. Numerous rain showers, possibly mixed
with snow showers early in the evening, then scattered rain
showers and snow showers. Snow accumulation up to 1 inch. Lows
31 to 35. Southwest winds 15 to 25 mph until early morning.
Chance of precipitation 60 percent.
.MONDAY...Mostly cloudy then becoming partly cloudy in the late
morning and early afternoon then becoming mostly sunny. Highs
46 to 51.
.MONDAY NIGHT...Mostly clear. Lows around 26.
.TUESDAY...Mostly sunny. Highs 51 to 55.
.TUESDAY NIGHT...Clear. Lows 24 to 28.
.WEDNESDAY...Sunny. Highs in the 50s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 30 percent chance of rain showers and snow showers
after midnight. Lows near 30.
.THURSDAY...Cooler. Mostly cloudy with a 20 percent chance of
snow showers in the morning, then mostly sunny in the afternoon.
Highs 40 to 45.
.THURSDAY NIGHT...Colder. Mostly clear. Lows 17 to 21.
.FRIDAY...Mostly sunny. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
19 to 23.
.SATURDAY...Mostly sunny. Highs in the mid 40s to lower 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Mostly sunny. Highs near 50.

$$

WYZ003-231000-
Cody Foothills-
Including the cities of Cody and Meeteetse
650 PM MDT Sun Oct 22 2017

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Windy. Mostly cloudy with isolated rain showers in the
evening, then partly cloudy after midnight. Lows 34 to 38.
Northwest winds 25 to 35 mph decreasing to around 15 mph after
midnight. Chance of showers 20 percent.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 51 to 56. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Mostly clear. Lows 31 to 35. West winds around
15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs 58 to 62.
.TUESDAY NIGHT...Clear. Lows 36 to 40.
.WEDNESDAY...Mostly sunny. Highs 63 to 68.
.WEDNESDAY NIGHT...Partly cloudy with slight chance of rain
showers in the evening, then mostly cloudy with chance of rain
showers, possibly mixed with snow showers after midnight. Lows
31 to 36. Chance of precipitation 40 percent.
.THURSDAY...Much colder. Mostly cloudy. A 40 percent chance of
snow showers in the morning. Highs in the mid 30s to lower 40s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 19 to 23.
.FRIDAY...Mostly sunny. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid to upper 20s.
.SATURDAY...Partly cloudy. Highs near 50.
.SATURDAY NIGHT...Partly cloudy. Lows near 30.
.SUNDAY...Partly cloudy in the morning then clearing. Highs in
the lower to mid 50s.

$$

WYZ004-231000-
North Big Horn Basin-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Mostly cloudy. Lows around 36. Northwest winds
20 to 30 mph decreasing to 15 to 20 mph after midnight.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 54 to 58. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Mostly clear. Lows 30 to 34. Northwest winds
around 15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs around 61.
.TUESDAY NIGHT...Clear. Lows 33 to 37.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming cloudy. A 40 percent chance of rain showers. Lows in the
mid 30s.
.THURSDAY...Breezy. Much colder. Cloudy with a 40 percent chance
of snow showers, possibly mixed with rain showers in the morning,
then partly cloudy in the afternoon. Highs in the lower to mid
40s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows in the lower 20s.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the 20s.
.SATURDAY...Partly cloudy. Highs around 50.
.SATURDAY NIGHT...Partly cloudy. Lows near 30.
.SUNDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s.

$$

WYZ006-231000-
Southeast Big Horn Basin-
Including the city of Worland
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Mostly cloudy until early morning then
becoming partly cloudy. Lows around 33. Northwest winds 15 to
20 mph in the evening.
.MONDAY...Partly cloudy in the morning then clearing. Highs 52 to
56. North winds around 15 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 29.
.TUESDAY...Mostly sunny. Highs 58 to 62.
.TUESDAY NIGHT...Clear. Lows 32 to 36.
.WEDNESDAY...Mostly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 40 percent chance of rain showers after midnight.
Lows in the mid 30s.
.THURSDAY...Much colder. Cloudy with a 30 percent chance of rain
showers and snow showers in the morning, then partly cloudy in
the afternoon. Highs in the lower 40s.
.THURSDAY NIGHT...Colder. Mostly clear. Lows around 20.
.FRIDAY...Mostly sunny. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the upper 20s.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ005-231000-
Southwest Big Horn Basin-
Including the city of Thermopolis
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows around 35. West winds
15 to 25 mph in the evening.
.MONDAY...Partly cloudy in the morning then clearing. Highs 52 to
56. North winds around 15 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 31.
.TUESDAY...Mostly sunny. Highs around 60.
.TUESDAY NIGHT...Clear. Lows around 35.
.WEDNESDAY...Mostly sunny. Highs in the mid 60s to lower 70s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 40 percent chance of rain showers after midnight.
Lows in the lower 30s.
.THURSDAY...Much colder. Cloudy with a 30 percent chance of snow
showers, possibly mixed with rain showers in the morning, then
partly cloudy in the afternoon. Highs near 40.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 20.
.FRIDAY...Mostly sunny. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s.

$$

WYZ023-231000-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
650 PM MDT Sun Oct 22 2017

.TONIGHT...Mostly cloudy. Scattered rain showers early in the
evening, then scattered rain showers and snow showers. Lows
around 34. South winds around 15 mph in the evening. Chance of
precipitation 30 percent.
.MONDAY...Mostly cloudy then becoming partly cloudy early in the
afternoon then becoming mostly sunny. Highs around 52.
.MONDAY NIGHT...Mostly clear. Lows around 26.
.TUESDAY...Sunny. Highs 56 to 60.
.TUESDAY NIGHT...Clear. Lows 26 to 30.
.WEDNESDAY...Sunny. Highs near 60.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a 20 percent chance of rain showers and snow showers
after midnight. Lows near 30.
.THURSDAY...Cooler. Partly cloudy with a 20 percent chance of
rain showers and snow showers in the morning, then mostly sunny
in the afternoon. Highs in the mid to upper 40s.
.THURSDAY NIGHT...Colder. Mostly clear. Lows 18 to 22.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 20s.
.SATURDAY...Mostly sunny. Highs in the lower to mid 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ025-231000-
Upper Green River Basin Foothills-
Including the city of Pinedale
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy, cloudy. Scattered rain showers, possibly mixed
with snow showers in the evening, then scattered snow showers
after midnight. Little or no snow accumulation. Lows around 31.
West winds 15 to 20 mph shifting to the northwest in the late
evening and overnight. Chance of precipitation 50 percent.
.MONDAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly sunny. Highs 47 to 51. Northwest
winds around 15 mph.
.MONDAY NIGHT...Mostly clear. Lows around 24. Northwest winds
around 15 mph early in the evening.
.TUESDAY...Sunny. Highs 55 to 59.
.TUESDAY NIGHT...Clear. Lows 23 to 27.
.WEDNESDAY...Sunny. Highs in the mid 50s to lower 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a 30 percent chance of snow showers, possibly mixed
with rain showers after midnight. Lows in the upper 20s.
.THURSDAY...Colder. Partly cloudy. A 20 percent chance of snow
showers in the morning. Highs in the lower 40s.
.THURSDAY NIGHT...Colder. Mostly clear. Lows around 16.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 18.
.SATURDAY...Mostly sunny. Highs around 50.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 20s.
.SUNDAY...Mostly sunny. Highs in the lower 50s.

$$

WYZ026-231000-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows 31 to 35. West winds 15 to
20 mph.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 52 to 56. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 25. Northwest
winds 15 to 20 mph in the evening.
.TUESDAY...Sunny. Highs 57 to 61.
.TUESDAY NIGHT...Clear. Lows 25 to 29.
.WEDNESDAY...Sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Clear in the evening then becoming partly
cloudy. Lows in the upper 20s.
.THURSDAY...Cooler. Partly cloudy. A 20 percent chance of snow
showers in the morning. Highs in the lower to mid 40s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 16.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 17.
.SATURDAY...Mostly sunny. Highs near 50.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ010-231000-
Northeast Johnson County-
Including the city of Buffalo
650 PM MDT Sun Oct 22 2017

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM MDT MONDAY...

.TONIGHT...Windy. Mostly cloudy with isolated rain showers in the
evening, then partly cloudy with isolated rain showers, possibly
mixed with snow showers after midnight. Partly cloudy late in the
night. Lows around 38. West winds 20 to 30 mph shifting to the
northwest 25 to 35 mph with gusts to around 60 mph in the late
evening and overnight. Chance of precipitation 20 percent.
.MONDAY...Windy. Partly cloudy until late afternoon then
clearing. Highs around 53. Northwest winds 25 to 35 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 30. Northwest
winds 15 to 25 mph early in the evening.
.TUESDAY...Mostly sunny. Highs around 63. Northwest winds around
15 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows around 39.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the mid 70s.
.WEDNESDAY NIGHT...Breezy. Partly cloudy in the evening, then
cloudy with a 30 percent chance of rain showers, possibly mixed
with snow showers after midnight. Lows in the mid 30s.
.THURSDAY...Windy. Much colder. Cloudy with a 50 percent chance
of snow showers, possibly mixed with rain showers in the morning,
then partly cloudy in the afternoon. Highs in the upper 30s.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows around 19.
.FRIDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 40.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. A 20 percent chance of rain showers in
the afternoon. Highs around 50.
.SATURDAY NIGHT...Partly cloudy. Lows around 30.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ011-231000-
Southeast Johnson County-
Including the city of Kaycee
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy then becoming mostly cloudy after
midnight then becoming partly cloudy. Lows around 36. Northwest
winds 20 to 30 mph. Gusts up to 45 mph in the late evening and
early morning.
.MONDAY...Breezy. Partly cloudy until late afternoon then
clearing. Highs around 52. Northwest winds 15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 30. North winds
15 to 20 mph early in the evening.
.TUESDAY...Mostly sunny. Highs around 60.
.TUESDAY NIGHT...Clear. Lows around 40.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the lower to mid 70s.
.WEDNESDAY NIGHT...Breezy. Mostly clear in the evening, then
mostly cloudy with a 30 percent chance of rain showers after
midnight. Lows in the mid 30s.
.THURSDAY...Windy. Much colder. Mostly cloudy. A 40 percent
chance of snow showers, possibly mixed with rain showers in the
morning. Highs in the upper 30s.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows around 19.
.FRIDAY...Mostly sunny. Highs in the upper 30s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows around 30.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ027-231000-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows around 35. West winds
15 to 25 mph.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 52 to 56. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 27. Northwest
winds 15 to 20 mph early in the evening.
.TUESDAY...Sunny. Highs around 59.
.TUESDAY NIGHT...Clear. Lows 26 to 30.
.WEDNESDAY...Sunny. Highs in the lower 60s.
.WEDNESDAY NIGHT...Clear in the evening then becoming partly
cloudy. Lows around 30.
.THURSDAY...Cooler. Partly cloudy. A 20 percent chance of rain
showers and snow showers in the morning. Highs in the mid 40s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 19.
.FRIDAY...Mostly sunny. Highs in the mid 40s.
.FRIDAY NIGHT...Mostly clear. Lows around 20.
.SATURDAY...Mostly sunny. Highs in the lower 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$

WYZ016-231000-
Upper Wind River Basin-
Including the city of Dubois
650 PM MDT Sun Oct 22 2017

.TONIGHT...Very windy. Mostly cloudy with scattered rain showers
and snow showers until early morning, then partly cloudy late in
the night. Lows 33 to 37. West winds 30 to 40 mph becoming
northwest 15 to 20 mph. Chance of precipitation 40 percent.
.MONDAY...Partly cloudy in the morning then clearing. Highs 49 to
54. Northwest winds around 15 mph.
.MONDAY NIGHT...Mostly clear. Lows 28 to 32.
.TUESDAY...Sunny. Highs 56 to 61. West winds around 15 mph in the
morning.
.TUESDAY NIGHT...Clear. Lows 32 to 37.
.WEDNESDAY...Breezy, sunny. Highs 59 to 64.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 30 percent chance of rain showers, possibly mixed
with snow showers after midnight. Lows in the lower 30s.
.THURSDAY...Much colder. Mostly cloudy with a 40 percent chance
of snow showers in the morning, then partly cloudy in the
afternoon. Highs in the upper 30s.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 20.
.FRIDAY...Mostly sunny. Highs around 40.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Mostly sunny. Highs in the mid 40s to lower 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Mostly sunny. Highs near 50.

$$

WYZ001-231000-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy, cloudy. Numerous snow showers, possibly mixed
with rain showers in the evening, then scattered snow showers
after midnight. Snow accumulation of 1 to 2 inches. Total snow
accumulation 1 to 4 inches. Lows 24 to 30. West winds 15 to
25 mph. Chance of precipitation 70 percent.
.MONDAY...Partly cloudy in the morning then clearing. Highs 38 to
44. West winds around 15 mph.
.MONDAY NIGHT...Mostly clear. Lows around 23. West winds around
15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs 45 to 51.
.TUESDAY NIGHT...Clear. Lows 22 to 28.
.WEDNESDAY...Mostly sunny. Highs 46 to 52.
.WEDNESDAY NIGHT...Partly cloudy with chance of rain showers and
snow showers in the evening, then cloudy with chance of snow
showers after midnight. Lows 23 to 29. Chance of precipitation
40 percent.
.THURSDAY...Colder. Cloudy with a 40 percent chance of snow
showers in the morning, then partly cloudy in the afternoon.
Highs 30 to 36.
.THURSDAY NIGHT...Colder. Mostly clear. Lows 13 to 19.
.FRIDAY...Mostly sunny. Highs 34 to 40.
.FRIDAY NIGHT...Partly cloudy. Lows 17 to 23.
.SATURDAY...Partly cloudy. Highs 39 to 45.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows in the mid 20s.
.SUNDAY...Mostly sunny. Highs 41 to 47.

$$

WYZ029-231000-
Flaming Gorge-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Breezy. Partly cloudy. Lows around 38. West winds
15 to 20 mph.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 55 to 60. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 32. Northwest
winds 15 to 20 mph in the evening.
.TUESDAY...Sunny. Highs 58 to 62.
.TUESDAY NIGHT...Clear. Lows around 34.
.WEDNESDAY...Sunny. Highs 63 to 68.
.WEDNESDAY NIGHT...Clear in the evening then becoming partly
cloudy. Lows in the mid 30s.
.THURSDAY...Cooler. Partly cloudy. Highs 44 to 49.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows in the lower 20s.
.FRIDAY...Mostly sunny. Highs 45 to 50.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SATURDAY...Mostly sunny. Highs in the lower to mid 50s.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Mostly sunny. Highs in the 50s.

$$

WYZ022-231000-
Casper Mountain-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy until early morning then becoming
mostly cloudy. Isolated rain showers until early morning.
Isolated snow showers in the late evening and overnight. Lows
30 to 36. Southwest winds 25 to 35 mph becoming west 15 to 25 mph
after midnight. Chance of precipitation 20 percent.
.MONDAY...Breezy. Mostly cloudy then becoming partly cloudy early
in the afternoon then becoming mostly sunny. Highs 43 to 49.
Northwest winds 15 to 20 mph in the late morning and afternoon.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 24 to 30. North winds
15 to 20 mph in the evening.
.TUESDAY...Mostly sunny. Highs 49 to 55. West winds around 15 mph
in the afternoon.
.TUESDAY NIGHT...Clear. Lows 33 to 39. Southwest winds around
15 mph after midnight.
.WEDNESDAY...Breezy, warmer, sunny. Highs 59 to 65.
.WEDNESDAY NIGHT...Breezy. Mostly clear in the evening, then
partly cloudy with a 40 percent chance of rain showers, possibly
mixed with snow showers after midnight. Lows 28 to 34.
.THURSDAY...Much colder. Cloudy. Snow showers likely in the
morning, then chance of snow showers in the afternoon. Highs
31 to 37. Chance of snow 60 percent.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 14 to 20.
.FRIDAY...Partly cloudy in the morning then clearing. Highs 31 to
37.
.FRIDAY NIGHT...Partly cloudy. Lows 17 to 23.
.SATURDAY...Not as cool. Partly cloudy. Highs 40 to 46.
.SATURDAY NIGHT...Partly cloudy. Lows 23 to 29.
.SUNDAY...Partly cloudy. Highs 44 to 50.

$$

WYZ002-231000-
Absaroka Mountains-
650 PM MDT Sun Oct 22 2017

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TONIGHT...Very windy. Cloudy. Widespread snow showers, possibly
mixed with rain showers in the evening, then scattered snow
showers after midnight. Snow accumulation up to 2 inches. Total
snow accumulation up to 3 inches. Lows 24 to 32. West winds 30 to
40 mph with gusts to around 55 mph decreasing to 20 to 30 mph
with gusts to around 45 mph after midnight. Chance of
precipitation 80 percent.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 33 to 43. Northwest winds 15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 21 to 29. West winds
15 to 25 mph.
.TUESDAY...Not as cool. Sunny. Highs 42 to 52. Northwest winds
around 15 mph in the morning.
.TUESDAY NIGHT...Clear. Lows 27 to 35. West winds around 15 mph.
.WEDNESDAY...Breezy. Mostly sunny. Highs 44 to 54.
.WEDNESDAY NIGHT...Breezy. Partly cloudy with chance of snow
showers, possibly mixed with rain showers in the evening, then
cloudy with chance of snow showers after midnight. Lows 23 to 29.
Chance of precipitation 50 percent.
.THURSDAY...Colder. Cloudy in the morning then becoming partly
cloudy. A 50 percent chance of snow showers. Highs 26 to 34.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 12 to 18.
.FRIDAY...Mostly sunny. Highs 29 to 37.
.FRIDAY NIGHT...Partly cloudy. Lows 17 to 23.
.SATURDAY...Partly cloudy. Highs 35 to 43.
.SATURDAY NIGHT...Partly cloudy. Lows 21 to 27.
.SUNDAY...Partly cloudy in the morning then clearing. Highs 37 to
45.

$$

WYZ007-231000-
Owl Creek and Bridger Mountains-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy. Lows 31 to 37. West winds 25 to
35 mph becoming northwest 15 to 20 mph after midnight.
.MONDAY...Breezy. Partly cloudy until late afternoon then
clearing. Highs 44 to 52. North winds around 15 mph early in the
morning becoming north 15 to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 31. North winds around
15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs 52 to 58.
.TUESDAY NIGHT...Clear. Lows around 36.
.WEDNESDAY...Warmer. Mostly sunny. Highs 60 to 66.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 40 percent chance of rain showers, possibly mixed
with snow showers after midnight. Lows 28 to 34.
.THURSDAY...Breezy. Much colder. Cloudy with a 40 percent chance
of snow showers in the morning, then partly cloudy in the
afternoon. Highs 31 to 37.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 17 to 23.
.FRIDAY...Mostly sunny. Highs 34 to 40.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Not as cool. Mostly sunny in the morning then
becoming partly cloudy. Highs 42 to 48.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Partly cloudy. Highs 46 to 52.

$$

WYZ008-231000-
Bighorn Mountains West-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Mostly cloudy. Numerous snow showers early in
the evening. Scattered rain showers until early morning.
Scattered snow showers in the late evening and overnight. Snow
accumulation up to 1 inch. Lows 24 to 34. Northwest winds 20 to
30 mph with gusts to around 45 mph. Chance of precipitation
60 percent.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 36 to 46. Northwest winds 15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 23 to 31. Northwest
winds 15 to 20 mph.
.TUESDAY...Not as cool. Mostly sunny. Highs 44 to 54.
.TUESDAY NIGHT...Clear. Lows 33 to 39.
.WEDNESDAY...Not as cool. Mostly sunny. Highs 52 to 62.
.WEDNESDAY NIGHT...Breezy, colder. Partly cloudy in the evening
then becoming cloudy. A 40 percent chance of rain showers and
snow showers. Lows 23 to 33.
.THURSDAY...Breezy, colder. Mostly cloudy. Snow showers likely in
the morning. Highs 27 to 37. Chance of snow 60 percent.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 12 to 20.
.FRIDAY...Mostly sunny. Highs 30 to 38.
.FRIDAY NIGHT...Partly cloudy. Lows 18 to 24.
.SATURDAY...Not as cool. Partly cloudy. Chance of snow showers,
possibly mixed with rain showers in the afternoon. Highs 37 to
45. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 22 to 30.
.SUNDAY...Partly cloudy. Highs 41 to 49.

$$

WYZ009-231000-
Bighorn Mountains Southeast-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy with scattered snow showers,
possibly mixed with rain showers until early morning, then partly
cloudy late in the night. Lows 25 to 33. Northwest winds 25 to
35 mph. Gusts up to 50 mph in the evening. Chance of
precipitation 30 percent.
.MONDAY...Windy. Partly cloudy in the morning then clearing.
Highs 36 to 46. Northwest winds 20 to 30 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 24 to 30. Northwest
winds 15 to 20 mph.
.TUESDAY...Not as cool. Mostly sunny. Highs 47 to 55. Northwest
winds around 15 mph.
.TUESDAY NIGHT...Clear. Lows 35 to 41.
.WEDNESDAY...Breezy, warmer. Mostly sunny. Highs 55 to 65.
.WEDNESDAY NIGHT...Breezy, colder. Mostly clear in the evening
then becoming mostly cloudy. A 40 percent chance of rain showers
and snow showers. Lows 25 to 33.
.THURSDAY...Breezy. Much colder. Mostly cloudy. Snow showers
likely in the morning. Highs 28 to 36. Chance of snow 60 percent.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 13 to 19.
.FRIDAY...Mostly sunny. Highs 30 to 36.
.FRIDAY NIGHT...Partly cloudy. Lows 16 to 22.
.SATURDAY...Not as cold. Partly cloudy. Highs 38 to 44.
.SATURDAY NIGHT...Partly cloudy. Lows 23 to 29.
.SUNDAY...Partly cloudy. Highs 41 to 49.

$$

WYZ012-231000-
Teton and Gros Ventre Mountains-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy, cloudy. Numerous rain showers in the evening.
Numerous snow showers through the night. Scattered rain showers
after midnight. Snow accumulation of 1 to 2 inches. Total snow
accumulation 1 to 4 inches. Lows 26 to 32. West winds 20 to
30 mph decreasing to 15 to 20 mph after midnight. Chance of
precipitation 70 percent.
.MONDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly sunny. Highs 36 to 44. West
winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 22 to 28. Northwest
winds 15 to 20 mph early in the evening.
.TUESDAY...Not as cool. Sunny. Highs 43 to 51.
.TUESDAY NIGHT...Clear. Lows 23 to 29.
.WEDNESDAY...Sunny. Highs 44 to 52.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. A 40 percent chance of snow showers, possibly
mixed with rain showers. Lows 25 to 31.
.THURSDAY...Mostly cloudy with a 30 percent chance of snow
showers in the morning, then partly cloudy in the afternoon.
Highs 31 to 39.
.THURSDAY NIGHT...Colder. Mostly clear. Lows 14 to 20.
.FRIDAY...Mostly sunny. Highs 32 to 40.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
17 to 23.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
38 to 46.
.SATURDAY NIGHT...Mostly clear. Lows 21 to 27.
.SUNDAY...Mostly sunny. Highs 40 to 48.

$$

WYZ014-231000-
Wind River Mountains West-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy, cloudy. Numerous snow showers, possibly mixed
with rain showers in the evening, then scattered snow showers
after midnight. Snow accumulation up to 2 inches. Total snow
accumulation up to 3 inches. Lows 24 to 32. West winds 25 to
35 mph decreasing to 15 to 25 mph late in the night. Chance of
precipitation 70 percent.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 37 to 47. Northwest winds 15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 22 to 28. North winds
15 to 25 mph until early morning.
.TUESDAY...Not as cool. Sunny. Highs 44 to 54.
.TUESDAY NIGHT...Clear. Lows 26 to 32.
.WEDNESDAY...Breezy, sunny. Highs 46 to 56.
.WEDNESDAY NIGHT...Mostly clear in the evening, then mostly
cloudy with a 40 percent chance of snow showers, possibly mixed
with rain showers after midnight. Lows 23 to 29.
.THURSDAY...Colder. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow showers. Highs 29 to
39.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 12 to 18.
.FRIDAY...Mostly sunny. Highs 30 to 40.
.FRIDAY NIGHT...Partly cloudy. Lows 15 to 21.
.SATURDAY...Not as cool. Mostly sunny. Highs 36 to 46.
.SATURDAY NIGHT...Mostly clear. Lows 19 to 25.
.SUNDAY...Mostly sunny. Highs 39 to 49.

$$

WYZ015-231000-
Wind River Mountains East-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Very windy. Cloudy. Numerous snow showers in the
evening. Scattered rain showers in the evening. Scattered snow
showers after midnight. Snow accumulation up to 2 inches. Total
snow accumulation up to 3 inches. Lows 25 to 33. West winds 40 to
50 mph with gusts to around 65 mph decreasing to 30 to 40 mph
after midnight. Chance of precipitation 70 percent.
.MONDAY...Breezy. Mostly sunny. Highs 36 to 46. Northwest winds
15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 23 to 29. West winds
15 to 25 mph.
.TUESDAY...Not as cool. Sunny. Highs 43 to 53. Northwest winds
around 15 mph.
.TUESDAY NIGHT...Clear. Lows 27 to 35. West winds around 15 mph
after midnight.
.WEDNESDAY...Breezy, sunny. Highs 46 to 56.
.WEDNESDAY NIGHT...Breezy. Mostly clear in the evening, then
mostly cloudy with a 40 percent chance of snow showers, possibly
mixed with rain showers after midnight. Lows 22 to 30.
.THURSDAY...Colder. Mostly cloudy with a 50 percent chance of
snow showers. Highs 27 to 35.
.THURSDAY NIGHT...Colder. Partly cloudy. Lows 12 to 18.
.FRIDAY...Mostly sunny. Highs 28 to 36.
.FRIDAY NIGHT...Partly cloudy. Lows 15 to 21.
.SATURDAY...Not as cool. Mostly sunny. Highs 35 to 45.
.SATURDAY NIGHT...Mostly clear. Lows 20 to 26.
.SUNDAY...Mostly sunny. Highs 37 to 47.

$$

WYZ019-231000-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy. Lows around 34. West winds 25 to
35 mph decreasing to 15 to 25 mph after midnight.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 48 to 54. Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Mostly clear. Lows around 29. Northwest winds
around 15 mph early in the evening.
.TUESDAY...Mostly sunny. Highs 53 to 59.
.TUESDAY NIGHT...Clear. Lows 31 to 37.
.WEDNESDAY...Breezy, sunny. Highs 60 to 66.
.WEDNESDAY NIGHT...Breezy. Mostly clear in the evening, then
partly cloudy with a 40 percent chance of rain showers, possibly
mixed with snow showers after midnight. Lows in the lower 30s.
.THURSDAY...Breezy. Much colder. Mostly cloudy with a 50 percent
chance of snow showers. Highs 35 to 41.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 20.
.FRIDAY...Mostly sunny. Highs 35 to 41.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the lower 20s.
.SATURDAY...Not as cool. Mostly sunny in the morning then
becoming partly cloudy. Highs 44 to 50.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 25 to 31.
.SUNDAY...Mostly sunny. Highs 48 to 54.

$$

WYZ024-231000-
Salt River and Wyoming Ranges-
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy, cloudy. Scattered snow showers, possibly mixed
with rain showers, then isolated snow showers late in the night.
Snow accumulation up to 1 inch. Lows 29 to 35. West winds 20 to
30 mph. Chance of precipitation 50 percent.
.MONDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly sunny. Highs 42 to 50.
Northwest winds 15 to 20 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows 24 to 30. Northwest
winds 15 to 25 mph in the evening.
.TUESDAY...Not as cool. Sunny. Highs 49 to 57.
.TUESDAY NIGHT...Clear. Lows 26 to 32.
.WEDNESDAY...Sunny. Highs 50 to 58.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with chance of snow showers, possibly mixed with rain
showers after midnight. Lows 27 to 33. Chance of precipitation
30 percent.
.THURSDAY...Colder. Partly cloudy with a 20 percent chance of
snow showers. Highs 37 to 43.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows 17 to 23.
.FRIDAY...Mostly sunny. Highs 38 to 44.
.FRIDAY NIGHT...Mostly clear. Lows 19 to 25.
.SATURDAY...Mostly sunny. Highs 43 to 49.
.SATURDAY NIGHT...Mostly clear. Lows 22 to 28.
.SUNDAY...Mostly sunny. Highs 45 to 51.

$$

WYZ030-231000-
East Sweetwater County-
Including the city of Wamsutter
650 PM MDT Sun Oct 22 2017

.TONIGHT...Windy. Partly cloudy. Lows around 36. West winds 20 to
30 mph decreasing to 15 to 20 mph late in the night.
.MONDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 52 to 56. West winds 15 to 25 mph.
.MONDAY NIGHT...Breezy. Mostly clear. Lows around 29. Northwest
winds 15 to 25 mph until early morning.
.TUESDAY...Mostly sunny. Highs around 57.
.TUESDAY NIGHT...Clear. Lows around 32.
.WEDNESDAY...Breezy, sunny. Highs in the lower 60s.
.WEDNESDAY NIGHT...Breezy. Clear in the evening then becoming
partly cloudy. Lows in the lower 30s.
.THURSDAY...Breezy, colder. Partly cloudy with chance of snow
showers, possibly mixed with rain showers in the morning, then
mostly cloudy in the afternoon. Highs in the lower to mid 40s.
Chance of precipitation 30 percent.
.THURSDAY NIGHT...Colder. Partly cloudy in the evening then
clearing. Lows around 20.
.FRIDAY...Mostly sunny. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 20s.
.SATURDAY...Mostly sunny. Highs around 50.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Mostly sunny. Highs in the mid 50s.

$$





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