Zone Forecast Product
Issued by NWS Riverton, WY

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770
FPUS55 KRIW 120050
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
549 PM MST Mon Dec 11 2017

WYZ020-121100-
Natrona County Lower Elevations-
Including the city of Casper
549 PM MST Mon Dec 11 2017

.TONIGHT...Breezy. Mostly clear. Lows around 22. Southwest winds
15 to 20 mph.
.TUESDAY...Breezy, sunny. Highs 45 to 50. Southwest winds 15 to
20 mph.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 24 to 28. Southwest winds around 15 mph early
in the evening.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 38 to 42. West winds around 15 mph in the
afternoon.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows around 21. West winds around 15 mph after
midnight.
.THURSDAY...Breezy. Mostly sunny. Highs in the mid to upper 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 21 to 26.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs in the mid to
upper 40s.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow showers. Lows
in the 20s.
.SATURDAY...Colder. Mostly cloudy with a 30 percent chance of
snow showers. Highs in the upper 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the lower to mid 20s.
.SUNDAY...Breezy. Mostly sunny. Highs around 40.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows near 30.
.MONDAY...Breezy. Partly cloudy. Highs in the lower 40s.

$$

WYZ017-121100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 13 to 18.
.TUESDAY...Sunny. Highs 42 to 47.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 18 to 23.
.WEDNESDAY...Mostly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 15 to 19.
.THURSDAY...Mostly sunny. Highs in the mid 30s to lower 40s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 16 to 21.
.FRIDAY...Partly cloudy. Highs in the 40s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows in the lower 20s.
.SATURDAY...Partly cloudy with a 30 percent chance of snow
showers. Highs in the mid 30s to lower 40s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 17 to 21.
.SUNDAY...Mostly sunny. Highs near 40.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid to upper 20s.
.MONDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

WYZ018-121100-
Lander Foothills-
Including the city of Lander
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 16 to 21.
.TUESDAY...Sunny. Highs around 47.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 19 to 24.
.WEDNESDAY...Mostly cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 16 to 21.
.THURSDAY...Mostly sunny. Highs around 40.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 19 to 23.
.FRIDAY...Partly cloudy. Highs in the upper 40s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows in the 20s.
.SATURDAY...Partly cloudy with a 20 percent chance of snow
showers. Highs around 40.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 19 to 23.
.SUNDAY...Mostly sunny. Highs in the lower 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy. Highs in the mid 40s.

$$

WYZ028-121100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 16 to 21.
.TUESDAY...Sunny. Highs 44 to 48.
.TUESDAY NIGHT...Clear. Lows 17 to 22.
.WEDNESDAY...Partly cloudy. Highs 40 to 44.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 16 to 21.
.THURSDAY...Sunny. Highs near 40.
.THURSDAY NIGHT...Mostly clear. Lows 16 to 21.
.FRIDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid to upper 40s.
.FRIDAY NIGHT...Partly cloudy. Lows 18 to 22.
.SATURDAY...Breezy, colder. Partly cloudy. Highs in the mid 30s.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 18 to 22.
.SUNDAY...Breezy. Partly cloudy. Highs near 40.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.MONDAY...Breezy. Partly cloudy. Highs in the lower to mid 40s.

$$

WYZ013-121100-
Jackson Hole-
Including the city of Jackson
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Patchy freezing fog after midnight. Lows 5 to
10.
.TUESDAY...Sunny. Patchy freezing fog in the morning. Highs
around 36.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 10 to 14.
.WEDNESDAY...Partly cloudy. Highs around 34.
.WEDNESDAY NIGHT...Mostly clear. Lows 8 to 13.
.THURSDAY...Mostly sunny. Highs in the mid 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 11 to 16.
.FRIDAY...Partly cloudy. A 40 percent chance of snow showers in
the afternoon. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows 17 to 22.
.SATURDAY...Cloudy with a 40 percent chance of snow showers.
Highs near 30.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 18 to 23.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs in the lower 30s.
.SUNDAY NIGHT...Cloudy with a 40 percent chance of snow showers.
Lows 22 to 27.
.MONDAY...Cloudy. Chance of snow showers in the morning, then
chance of snow showers, possibly mixed with rain showers in the
afternoon. Highs in the 30s. Chance of precipitation 30 percent.

$$

WYZ003-121100-
Cody Foothills-
Including the cities of Cody and Meeteetse
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 24 to 29. Southwest winds around 15 mph
after midnight.
.TUESDAY...Sunny. Highs 49 to 53. Southwest winds around 15 mph.
.TUESDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows 26 to 30. West winds around 15 mph early in the
evening.
.WEDNESDAY...Mostly cloudy. Highs 42 to 46.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 22 to 26.
.THURSDAY...Mostly sunny. Highs in the lower to mid 40s.
.THURSDAY NIGHT...Windy. Mostly clear in the evening then
becoming partly cloudy. Lows 25 to 30.
.FRIDAY...Breezy. Partly cloudy. Highs in the mid to upper 40s.
.FRIDAY NIGHT...Partly cloudy with slight chance of rain showers
and snow showers in the evening, then mostly cloudy with chance
of snow showers after midnight. Lows in the mid to upper 20s.
Chance of precipitation 30 percent.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs 35 to 40.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 23 to 28.
.SUNDAY...Partly cloudy. Highs in the lower to mid 40s.
.SUNDAY NIGHT...Partly cloudy. Lows near 30.
.MONDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

WYZ004-121100-
North Big Horn Basin-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 15 to 20.
.TUESDAY...Sunny. Highs 46 to 50.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 22 to 27.
.WEDNESDAY...Mostly cloudy. Highs around 44.
.WEDNESDAY NIGHT...Partly cloudy. Lows 21 to 25.
.THURSDAY...Mostly sunny. Highs in the lower 40s.
.THURSDAY NIGHT...Partly cloudy. Lows 19 to 24.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy with slight chance of rain showers
and snow showers in the evening, then mostly cloudy with chance
of snow showers after midnight. Lows in the 20s. Chance of
precipitation 30 percent.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the upper 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the lower to mid 20s.
.SUNDAY...Partly cloudy. Highs in the lower 40s.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid to upper 20s.
.MONDAY...Mostly cloudy. Highs in the lower 40s.

$$

WYZ006-121100-
Southeast Big Horn Basin-
Including the city of Worland
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 12 to 17.
.TUESDAY...Sunny. Highs 45 to 49.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 19 to 24.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 20.
.THURSDAY...Mostly sunny. Highs near 40.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 16 to 20.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow showers. Lows in the lower to
mid 20s.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs in the upper 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 18 to 22.
.SUNDAY...Partly cloudy. Highs around 40.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower to mid 20s.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower 40s.

$$

WYZ005-121100-
Southwest Big Horn Basin-
Including the city of Thermopolis
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 15 to 20.
.TUESDAY...Sunny. Highs around 47.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 21 to 25.
.WEDNESDAY...Mostly cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 20.
.THURSDAY...Mostly sunny. Highs around 40.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 16 to 21.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows in the lower to mid 20s.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow showers. Highs in the upper
30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 17 to 21.
.SUNDAY...Partly cloudy. Highs around 40.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the 20s.
.MONDAY...Partly cloudy. Highs in the lower 40s.

$$

WYZ023-121100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Patchy freezing fog after midnight. Lows 5 to
10. Temperatures rising into the lower 20s after midnight.
.TUESDAY...Sunny. Patchy freezing fog in the morning. Highs
around 32.
.TUESDAY NIGHT...Mostly clear. Lows 7 to 12.
.WEDNESDAY...Partly cloudy. Highs around 37.
.WEDNESDAY NIGHT...Mostly clear. Lows 5 to 10.
.THURSDAY...Mostly sunny. Highs in the mid 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 12 to 16.
.FRIDAY...Partly cloudy. A 30 percent chance of snow showers in
the afternoon. Highs in the upper 30s.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of snow
showers. Lows in the lower to mid 20s.
.SATURDAY...Cloudy with a 40 percent chance of snow showers.
Highs in the lower 30s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
showers. Lows 19 to 23.
.SUNDAY...Mostly cloudy. Chance of snow showers in the morning,
then chance of snow showers, possibly mixed with rain showers in
the afternoon. Highs in the mid 30s. Chance of precipitation
30 percent.
.SUNDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Lows in the mid to upper 20s.
.MONDAY...Cloudy. Highs in the upper 30s.

$$

WYZ025-121100-
Upper Green River Basin Foothills-
Including the city of Pinedale
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 9 to 14. North winds around 15 mph early
in the evening.
.TUESDAY...Sunny. Highs 40 to 45.
.TUESDAY NIGHT...Clear until early morning then becoming partly
cloudy. Lows 12 to 17.
.WEDNESDAY...Partly cloudy. Highs 36 to 40.
.WEDNESDAY NIGHT...Mostly clear. Lows 10 to 14.
.THURSDAY...Mostly sunny. Highs in the mid to upper 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 11 to 16.
.FRIDAY...Partly cloudy. Highs in the mid 30s to lower 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow showers. Lows 15 to 19.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs around 30.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 14 to 18.
.SUNDAY...Partly cloudy. Highs in the lower to mid 30s.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 18 to 22.
.MONDAY...Mostly cloudy. Slight chance of snow showers in the
morning. Highs in the mid 30s. Chance of snow 20 percent.

$$

WYZ026-121100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 8 to 13.
.TUESDAY...Sunny. Highs 42 to 46.
.TUESDAY NIGHT...Mostly clear. Lows 11 to 15.
.WEDNESDAY...Partly cloudy. Highs 38 to 42.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 12.
.THURSDAY...Mostly sunny. Highs in the mid to upper 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 9 to 13.
.FRIDAY...Partly cloudy. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows around 15.
.SATURDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. A 20 percent chance of snow showers. Highs in the
lower to mid 30s.
.SATURDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 13 to 17.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 17 to 21.
.MONDAY...Partly cloudy. Highs near 40.

$$

WYZ010-121100-
Northeast Johnson County-
Including the city of Buffalo
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows around 27.
.TUESDAY...Sunny. Highs around 58.
.TUESDAY NIGHT...Breezy. Mostly clear then becoming partly cloudy
late in the evening then becoming mostly clear. Lows around 32.
Northwest winds 15 to 20 mph in the late evening and overnight.
.WEDNESDAY...Breezy, cooler. Partly cloudy in the morning then
becoming mostly cloudy. Highs around 46. Northwest winds 15 to
20 mph.
.WEDNESDAY NIGHT...Breezy. Partly cloudy. Lows around 26.
Northwest winds 15 to 20 mph.
.THURSDAY...Breezy. Partly cloudy. Highs in the lower 40s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.FRIDAY...Not as cool. Partly cloudy. Highs in the mid 50s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow showers. Lows in the upper
20s.
.SATURDAY...Colder. Cloudy with a 30 percent chance of snow
showers. Highs near 40.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the mid 20s.
.SUNDAY...Partly cloudy. Highs in the mid 40s.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 20s.
.MONDAY...Mostly cloudy. Highs in the mid 40s.

$$

WYZ011-121100-
Southeast Johnson County-
Including the city of Kaycee
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 23 to 27. Southwest winds around 15 mph
after midnight.
.TUESDAY...Sunny. Highs 52 to 56. Southwest winds around 15 mph.
.TUESDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows around 29. Northwest winds 15 to
20 mph early in the morning.
.WEDNESDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs around 45. Northwest winds 15 to 20 mph in
the morning.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows around 24. Northwest winds around 15 mph
after midnight.
.THURSDAY...Breezy. Partly cloudy in the morning then clearing.
Highs in the lower 40s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the mid 20s.
.FRIDAY...Not as cool. Partly cloudy. Highs in the lower to mid
50s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow showers. Lows in the mid 20s.
.SATURDAY...Colder. Mostly cloudy with a 30 percent chance of
snow showers. Highs around 40.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows in the lower 20s.
.SUNDAY...Partly cloudy in the morning then clearing. Highs in
the mid 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy. Highs in the mid 40s.

$$

WYZ027-121100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 13 to 17.
.TUESDAY...Sunny. Highs 41 to 45.
.TUESDAY NIGHT...Mostly clear. Lows 13 to 17.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Mostly clear. Lows 12 to 16.
.THURSDAY...Mostly sunny. Highs in the upper 30s.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 11 to 16.
.FRIDAY...Partly cloudy. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy. Lows around 17.
.SATURDAY...Breezy. Partly cloudy. Highs in the mid 30s.
.SATURDAY NIGHT...Partly cloudy. Lows around 18.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. Highs near 40.

$$

WYZ016-121100-
Upper Wind River Basin-
Including the city of Dubois
549 PM MST Mon Dec 11 2017

.TONIGHT...Breezy, clear. Lows 20 to 24. Northwest winds 15 to
20 mph.
.TUESDAY...Breezy, sunny. Highs 49 to 54. Northwest winds 15 to
25 mph.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 22 to 26. Northwest winds around 15 mph.
.WEDNESDAY...Mostly cloudy. Highs 40 to 44. Northwest winds
around 15 mph in the morning.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 18 to 22. Northwest winds around 15 mph after midnight.
.THURSDAY...Mostly sunny. Highs near 40.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows in the lower to mid 20s.
.FRIDAY...Breezy. Partly cloudy. Highs 43 to 48.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows in the lower to mid 20s.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow showers. Highs 33 to 38.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.SUNDAY...Partly cloudy in the morning then clearing. Highs 37 to
42.
.SUNDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows in the mid 20s to lower 30s.
.MONDAY...Breezy. Partly cloudy. Highs 40 to 45.

$$

WYZ001-121100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 4 to 12.
.TUESDAY...Sunny. Highs 33 to 39.
.TUESDAY NIGHT...Mostly clear then becoming partly cloudy after
midnight then becoming mostly cloudy. Lows 8 to 16.
.WEDNESDAY...Mostly cloudy. Highs 29 to 35.
.WEDNESDAY NIGHT...Mostly clear. Lows 7 to 13.
.THURSDAY...Mostly sunny. Highs 27 to 33.
.THURSDAY NIGHT...Partly cloudy. Lows 10 to 16.
.FRIDAY...Partly cloudy. A 40 percent chance of snow showers in
the afternoon. Highs 28 to 34.
.FRIDAY NIGHT...Cloudy with a 50 percent chance of snow showers.
Lows 13 to 19.
.SATURDAY...Cloudy with a 50 percent chance of snow showers.
Highs 21 to 27.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 13 to 19.
.SUNDAY...Cloudy with a 30 percent chance of snow showers. Highs
25 to 31.
.SUNDAY NIGHT...Cloudy with a 40 percent chance of snow showers.
Lows 17 to 23.
.MONDAY...Breezy. Cloudy with a 30 percent chance of snow
showers. Highs 26 to 32.

$$

WYZ029-121100-
Flaming Gorge-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 19 to 23.
.TUESDAY...Sunny. Highs 46 to 50.
.TUESDAY NIGHT...Clear. Lows 20 to 24.
.WEDNESDAY...Partly cloudy. Highs 40 to 44.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 19.
.THURSDAY...Sunny. Highs near 40.
.THURSDAY NIGHT...Mostly clear. Lows 19 to 23.
.FRIDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid to upper 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Breezy. Partly cloudy. Highs in the mid to upper 30s.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows in the lower 20s.
.SUNDAY...Breezy. Partly cloudy. Highs near 40.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.MONDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

WYZ022-121100-
Casper Mountain-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows around 24. Southwest winds around 15 mph.
.TUESDAY...Breezy, sunny. Highs around 43. Southwest winds 15 to
20 mph.
.TUESDAY NIGHT...Clear until early morning then becoming partly
cloudy. Lows 22 to 28. West winds around 15 mph.
.WEDNESDAY...Partly cloudy in the morning, then mostly cloudy
with a 20 percent chance of snow in the afternoon. Highs 33 to
39.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 30 percent chance of snow. Lows 16 to 22. West
winds around 15 mph after midnight.
.THURSDAY...Partly cloudy. Highs 28 to 34.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 21 to 27.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs 39 to 45.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow showers. Lows
22 to 28.
.SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of
snow showers. Highs 29 to 35.
.SATURDAY NIGHT...Breezy. Mostly cloudy. Lows 19 to 25.
.SUNDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 32 to 38.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 26 to 32.
.MONDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. Highs 35 to 41.

$$

WYZ002-121100-
Absaroka Mountains-
549 PM MST Mon Dec 11 2017

.TONIGHT...Breezy, clear. Lows 15 to 23. West winds 15 to 20 mph.
.TUESDAY...Breezy, sunny. Highs 36 to 44. West winds 15 to
20 mph.
.TUESDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 16 to 24. West winds 15 to 20 mph.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of snow.
Highs 28 to 36. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 12 to 20. Northwest winds around 15 mph.
.THURSDAY...Breezy. Mostly sunny. Highs 27 to 35.
.THURSDAY NIGHT...Windy. Partly cloudy. Lows 16 to 24.
.FRIDAY...Breezy. Partly cloudy. A 30 percent chance of snow
showers in the afternoon. Highs 30 to 40.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming cloudy. A 40 percent chance of snow showers. Lows 13 to
23.
.SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of
snow showers. Highs 20 to 30.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. A 30 percent chance of snow showers. Near
steady temperature around 19.
.SUNDAY...Breezy. Not as cold. Partly cloudy with a 30 percent
chance of snow showers. Highs 26 to 36.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of
snow showers. Lows 19 to 27.
.MONDAY...Breezy. Mostly cloudy. Chance of snow showers in the
morning, then chance of snow showers, possibly mixed with rain
showers in the afternoon. Highs 26 to 36. Chance of precipitation
30 percent.

$$

WYZ007-121100-
Owl Creek and Bridger Mountains-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 19 to 25.
.TUESDAY...Sunny. Highs 42 to 48.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows around 25.
.WEDNESDAY...Mostly cloudy. Highs 35 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 21.
.THURSDAY...Mostly sunny. Highs 33 to 39.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 20 to 26.
.FRIDAY...Partly cloudy. Highs 40 to 46.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of snow
showers. Lows 21 to 27.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow showers. Highs 31 to 37.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 18 to 24.
.SUNDAY...Partly cloudy. Highs 36 to 42.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 24 to 30.
.MONDAY...Partly cloudy. Highs 36 to 42.

$$

WYZ008-121100-
Bighorn Mountains West-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 20 to 26. Northwest winds around 15 mph
early in the evening.
.TUESDAY...Sunny. Highs 41 to 47.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 21 to 27. Northwest winds around 15 mph in
the late evening and overnight.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 29 to 39.
.WEDNESDAY NIGHT...Partly cloudy. Lows 15 to 23. Northwest winds
around 15 mph after midnight.
.THURSDAY...Mostly sunny. Highs 27 to 35.
.THURSDAY NIGHT...Breezy. Partly cloudy. Lows 17 to 25.
.FRIDAY...Breezy. Not as cold. Partly cloudy. Highs 38 to 44.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow showers. Lows 16 to 26.
.SATURDAY...Breezy. Mostly cloudy with a 30 percent chance of
snow showers. Highs 24 to 34.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 14 to 24.
.SUNDAY...Breezy. Partly cloudy. Highs 32 to 38.
.SUNDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow showers. Lows
19 to 29.
.MONDAY...Breezy. Mostly cloudy. Highs 29 to 37.

$$

WYZ009-121100-
Bighorn Mountains Southeast-
549 PM MST Mon Dec 11 2017

.TONIGHT...Breezy, clear. Lows 21 to 27. West winds 15 to 20 mph.
.TUESDAY...Breezy, sunny. Highs 43 to 51. Temperatures falling
into the lower 30s in the afternoon. West winds 15 to 20 mph.
.TUESDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows 24 to 30. Northwest winds 15 to
20 mph.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 31 to 39. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Breezy, colder. Partly cloudy in the evening
then clearing. Lows 17 to 23. Northwest winds 15 to 20 mph.
.THURSDAY...Breezy. Mostly sunny. Highs 28 to 36.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Near steady temperature in the mid 20s.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs 40 to 48.
Temperatures falling into the upper 20s in the afternoon.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow showers. Lows
16 to 26.
.SATURDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow showers. Highs 25 to 33.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. Lows 15 to 23.
.SUNDAY...Breezy. Not as cold. Partly cloudy in the morning then
clearing. Highs 34 to 40.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 21 to 29.
.MONDAY...Breezy. Partly cloudy. Highs 31 to 39.

$$

WYZ012-121100-
Teton and Gros Ventre Mountains-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 10 to 16.
.TUESDAY...Sunny. Highs 33 to 39.
.TUESDAY NIGHT...Mostly clear until early morning then becoming
partly cloudy. Lows 12 to 18.
.WEDNESDAY...Mostly cloudy. Highs 28 to 34.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 9 to 15.
.THURSDAY...Mostly sunny. Highs 27 to 33.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 12 to 18.
.FRIDAY...Partly cloudy. A 40 percent chance of snow showers in
the afternoon. Highs 28 to 34.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of snow
showers. Lows 14 to 20.
.SATURDAY...Cloudy with a 50 percent chance of snow showers.
Highs 21 to 27.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
showers. Lows 15 to 21.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow showers.
Highs 24 to 30.
.SUNDAY NIGHT...Breezy. Cloudy with a 40 percent chance of snow
showers. Lows 18 to 24.
.MONDAY...Breezy. Cloudy with a 30 percent chance of snow
showers. Highs 27 to 33.

$$

WYZ014-121100-
Wind River Mountains West-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 14 to 20. North winds around 15 mph early
in the evening becoming north around 15 mph after midnight.
.TUESDAY...Sunny. Highs 36 to 42. Northwest winds around 15 mph
early in the morning becoming northwest around 15 mph late in the
afternoon.
.TUESDAY NIGHT...Clear until early morning then becoming partly
cloudy. Lows 16 to 22.
.WEDNESDAY...Mostly cloudy. Highs 28 to 36.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 10 to 16.
.THURSDAY...Mostly sunny. Highs 26 to 34.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 13 to 19.
.FRIDAY...Breezy. Partly cloudy. A 30 percent chance of snow
showers in the afternoon. Highs 32 to 38.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 40 percent chance of snow showers. Lows
11 to 19.
.SATURDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow showers. Highs 20 to
28. Lowest wind chill readings 10 below to 20 below zero in the
morning.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. Lows 12 to 18.
.SUNDAY...Breezy. Partly cloudy with a 30 percent chance of snow
showers. Highs 26 to 32.
.SUNDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow showers. Lows
17 to 23.
.MONDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow showers. Highs 26 to
34.

$$

WYZ015-121100-
Wind River Mountains East-
549 PM MST Mon Dec 11 2017

.TONIGHT...Breezy, clear. Lows 16 to 24. West winds 15 to 20 mph.
.TUESDAY...Breezy, sunny. Highs 37 to 45. West winds 15 to
20 mph.
.TUESDAY NIGHT...Breezy. Mostly clear until early morning then
becoming partly cloudy. Lows 18 to 26. West winds 15 to 20 mph.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow.
Highs 28 to 38. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Breezy, colder. Partly cloudy in the evening
then clearing. Lows 12 to 20. Northwest winds 15 to 20 mph.
.THURSDAY...Mostly sunny. Highs 26 to 36.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 15 to 23.
.FRIDAY...Breezy. Not as cold. Partly cloudy. A 30 percent chance
of snow showers in the afternoon. Highs 32 to 42. Temperatures
falling into the mid 20s in the afternoon.
.FRIDAY NIGHT...Windy. Partly cloudy in the evening then becoming
mostly cloudy. A 40 percent chance of snow showers. Lows 12 to
22. Wind chill readings 10 below to 20 below zero.
.SATURDAY...Windy. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow showers. Highs 19 to
29. Wind chill readings 10 below to 20 below zero.
.SATURDAY NIGHT...Breezy. Partly cloudy. Near steady temperature
around 18.
.SUNDAY...Breezy. Not as cold. Partly cloudy with a 30 percent
chance of snow showers. Highs 27 to 37.
.SUNDAY NIGHT...Windy. Partly cloudy in the evening then becoming
mostly cloudy. A 30 percent chance of snow showers. Lows 19 to
27.
.MONDAY...Windy. Partly cloudy with a 30 percent chance of snow
showers. Highs 27 to 37.

$$

WYZ019-121100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 16 to 22. Southwest winds around 15 mph.
.TUESDAY...Sunny. Highs around 42. Southwest winds around 15 mph.
.TUESDAY NIGHT...Clear until early morning then becoming partly
cloudy. Lows 18 to 24. Southwest winds around 15 mph early in the
evening.
.WEDNESDAY...Mostly cloudy. Highs 34 to 40.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 14 to 20. Northwest winds around 15 mph after midnight.
.THURSDAY...Mostly sunny. Highs 31 to 37.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 15 to 21.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs 39 to 45.
.FRIDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of
snow showers. Lows 19 to 25.
.SATURDAY...Breezy. Partly cloudy with a 30 percent chance of
snow showers. Highs 30 to 36.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 16 to 22.
.SUNDAY...Breezy. Mostly sunny. Highs in the upper 30s.
.SUNDAY NIGHT...Breezy. Partly cloudy. Lows 23 to 29.
.MONDAY...Breezy. Partly cloudy. Highs 37 to 43.

$$

WYZ024-121100-
Salt River and Wyoming Ranges-
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 13 to 19. Northwest winds around 15 mph
early in the evening.
.TUESDAY...Sunny. Highs 36 to 42.
.TUESDAY NIGHT...Mostly clear. Lows 13 to 19.
.WEDNESDAY...Partly cloudy. Highs 32 to 38.
.WEDNESDAY NIGHT...Mostly clear. Lows 11 to 17.
.THURSDAY...Mostly sunny. Highs 30 to 36.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 13 to 19.
.FRIDAY...Partly cloudy. A 30 percent chance of snow showers in
the afternoon. Highs 34 to 40.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 40 percent chance of snow showers. Lows
16 to 22.
.SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of
snow showers. Highs 24 to 30.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 30 percent chance of snow showers. Lows 17 to
23.
.SUNDAY...Partly cloudy with a 30 percent chance of snow showers.
Highs 28 to 34.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
snow showers. Lows 20 to 26.
.MONDAY...Breezy. Mostly cloudy. Highs 31 to 37.

$$

WYZ030-121100-
East Sweetwater County-
Including the city of Wamsutter
549 PM MST Mon Dec 11 2017

.TONIGHT...Clear. Lows 15 to 20.
.TUESDAY...Sunny. Highs 43 to 47. Southwest winds around 15 mph.
.TUESDAY NIGHT...Clear. Lows 17 to 22. Southwest winds around
15 mph in the evening.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 14 to 18.
.THURSDAY...Mostly sunny. Highs in the upper 30s.
.THURSDAY NIGHT...Breezy. Mostly clear in the evening then
becoming partly cloudy. Lows 17 to 21.
.FRIDAY...Breezy. Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Breezy. Partly cloudy. Lows in the lower to mid
20s.
.SATURDAY...Breezy. Partly cloudy. Highs in the mid 30s.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 18 to 22.
.SUNDAY...Breezy. Mostly sunny in the morning then becoming
partly cloudy. Highs in the upper 30s.
.SUNDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. Lows in the lower to mid 20s.
.MONDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. Highs in the lower 40s.

$$





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