Zone Forecast Product
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
000
FPUS55 KRIW 121707
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1005 AM MST Tue Dec 12 2017

WYZ020-122300-
Natrona County Lower Elevations-
Including the city of Casper
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 49 to 54. Southwest winds
15 to 25 mph.
.TONIGHT...Breezy. Mostly clear until early morning then becoming
partly cloudy. Lows around 26. West winds 15 to 20 mph.
.WEDNESDAY...Colder. Partly cloudy. Highs 38 to 42. West winds
around 15 mph until late afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 21.
.THURSDAY...Breezy. Partly cloudy. Highs 35 to 39. Northwest
winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows in the lower to mid
20s.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs 44 to 49.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows in the
mid to upper 20s.
.SATURDAY...Breezy, colder. Mostly cloudy with a 40 percent
chance of snow. Highs in the mid 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
16 to 20.
.SUNDAY...Partly cloudy in the morning then clearing. Highs in
the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the 20s.
.MONDAY...Breezy. Partly cloudy. Highs around 40.

$$

WYZ017-122300-
Wind River Basin-
Including the cities of Riverton and Shoshoni
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 45 to 50.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 17 to 22.
.WEDNESDAY...Partly cloudy. Isolated rain showers and snow
showers late in the afternoon. Highs around 39. Chance of
precipitation 20 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows 17 to 21.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
37 to 41.
.THURSDAY NIGHT...Mostly clear. Lows 16 to 20.
.FRIDAY...Partly cloudy. Highs 39 to 44.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow. Lows in the mid 20s.
.SATURDAY...Mostly cloudy with a 40 percent chance of snow. Highs
in the mid 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
14 to 18.
.SUNDAY...Partly cloudy. Highs 31 to 36.
.SUNDAY NIGHT...Partly cloudy. Lows 19 to 23.
.MONDAY...Partly cloudy. Highs 35 to 40.

$$

WYZ018-122300-
Lander Foothills-
Including the city of Lander
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs around 49.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 19 to 24.
.WEDNESDAY...Partly cloudy. Isolated rain showers and snow
showers late in the afternoon. Highs around 41. Chance of
precipitation 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated snow showers in
the evening, then mostly clear after midnight. Lows 18 to 22.
Chance of snow 20 percent.
.THURSDAY...Mostly sunny. Highs around 41.
.THURSDAY NIGHT...Clear. Lows 19 to 23.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow. Lows in the upper 20s.
.SATURDAY...Colder. Mostly cloudy with a 40 percent chance of
snow. Highs in the mid 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
17 to 21.
.SUNDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.MONDAY...Partly cloudy. Highs in the lower 40s.

$$

WYZ028-122300-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 48 to 52.
.TONIGHT...Mostly clear. Lows 17 to 22. West winds around 15 mph
late in the evening.
.WEDNESDAY...Partly cloudy. Highs around 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 15 to 20.
.THURSDAY...Sunny. Highs 37 to 41.
.THURSDAY NIGHT...Clear. Lows 16 to 21.
.FRIDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 19 to 23.
.SATURDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow. Highs in the lower 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 16 to 20.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.MONDAY...Partly cloudy. Highs around 40.

$$

WYZ013-122300-
Jackson Hole-
Including the city of Jackson
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs around 36.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
8 to 12.
.WEDNESDAY...Partly cloudy. Highs around 33.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 10 to 15.
.THURSDAY...Partly cloudy. Highs around 33.
.THURSDAY NIGHT...Partly cloudy. Lows 12 to 17.
.FRIDAY...Partly cloudy. Highs in the lower to mid 30s.
.FRIDAY NIGHT...Snow likely. Lows 18 to 23. Chance of snow
60 percent.
.SATURDAY...Cloudy. Snow likely in the morning, then chance of
snow in the afternoon. Highs in the mid to upper 20s. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 13 to 17.
.SUNDAY...Mostly cloudy with a 20 percent chance of snow. Highs
around 30.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 18 to 23.
.MONDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the lower to mid 30s.

$$

WYZ003-122300-
Cody Foothills-
Including the cities of Cody and Meeteetse
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 51 to 56. Southwest winds
15 to 20 mph.
.TONIGHT...Breezy. Clear in the evening then becoming partly
cloudy. Lows 25 to 30. West winds 15 to 20 mph until early
morning.
.WEDNESDAY...Partly cloudy. Highs 41 to 45.
.WEDNESDAY NIGHT...Partly cloudy. Lows 22 to 26.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
42 to 46.
.THURSDAY NIGHT...Windy. Mostly clear. Lows 24 to 29.
.FRIDAY...Windy. Partly cloudy. Highs in the mid to upper 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow. Lows in the mid to upper
20s.
.SATURDAY...Colder. Mostly cloudy with a 40 percent chance of
snow. Highs near 30.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows 21 to 26.
.SUNDAY...Not as cold. Partly cloudy. Highs near 40.
.SUNDAY NIGHT...Partly cloudy. Lows 25 to 30.
.MONDAY...Partly cloudy. Highs in the lower to mid 40s.

$$

WYZ004-122300-
North Big Horn Basin-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 47 to 51.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
21 to 26.
.WEDNESDAY...Partly cloudy. Highs around 43.
.WEDNESDAY NIGHT...Partly cloudy. Lows 21 to 25.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
around 42.
.THURSDAY NIGHT...Mostly clear. Lows 19 to 24.
.FRIDAY...Partly cloudy. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows in the mid to upper 20s.
.SATURDAY...Colder. Mostly cloudy with a 40 percent chance of
snow. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows 18 to 22.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs near 40.

$$

WYZ006-122300-
Southeast Big Horn Basin-
Including the city of Worland
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 47 to 51.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
18 to 22.
.WEDNESDAY...Partly cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 20.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
38 to 42.
.THURSDAY NIGHT...Mostly clear. Lows 17 to 21.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows in the mid 20s.
.SATURDAY...Mostly cloudy with a 40 percent chance of snow. Highs
in the mid 30s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows around
18.
.SUNDAY...Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 18 to 22.
.MONDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ005-122300-
Southwest Big Horn Basin-
Including the city of Thermopolis
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs around 49.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
19 to 23.
.WEDNESDAY...Partly cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy. Lows 18 to 22.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
around 41.
.THURSDAY NIGHT...Mostly clear. Lows 16 to 20.
.FRIDAY...Partly cloudy. Highs in the mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow. Lows in the 20s.
.SATURDAY...Colder. Mostly cloudy with a 40 percent chance of
snow. Highs in the mid 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
15 to 19.
.SUNDAY...Partly cloudy. Highs in the upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 18 to 22.
.MONDAY...Partly cloudy. Highs in the upper 30s.

$$

WYZ023-122300-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs around 39.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 7 to 11.
.WEDNESDAY...Partly cloudy. Highs around 35.
.WEDNESDAY NIGHT...Mostly clear. Lows 10 to 14.
.THURSDAY...Mostly sunny. Highs around 35.
.THURSDAY NIGHT...Clear. Lows 12 to 16.
.FRIDAY...Partly cloudy. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening,
then snow likely after midnight. Lows 18 to 22. Chance of snow
60 percent.
.SATURDAY...Cloudy. Snow likely in the morning, then slight
chance of snow in the afternoon. Highs in the upper 20s. Chance
of snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 13 to 17.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 30.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows in the lower to mid 20s.
.MONDAY...Mostly cloudy with a 20 percent chance of snow. Highs
in the lower 30s.

$$

WYZ025-122300-
Upper Green River Basin Foothills-
Including the city of Pinedale
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 42 to 47.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 9 to 14.
.WEDNESDAY...Partly cloudy. Highs 35 to 39.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 11 to 15.
.THURSDAY...Sunny. Highs 33 to 37.
.THURSDAY NIGHT...Clear. Lows 11 to 16.
.FRIDAY...Partly cloudy. Highs 34 to 39.
.FRIDAY NIGHT...Partly cloudy with slight chance of snow in the
evening, then snow likely after midnight. Lows 15 to 19. Chance
of snow 60 percent.
.SATURDAY...Mostly cloudy with a 50 percent chance of snow. Highs
in the upper 20s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 11 to 15.
.SUNDAY...Partly cloudy. Highs 30 to 35.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows 16 to 20.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 32 to 37.

$$

WYZ026-122300-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 46 to 50.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 10 to 14.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 11.
.THURSDAY...Sunny. Highs 35 to 39.
.THURSDAY NIGHT...Clear. Lows 10 to 14.
.FRIDAY...Partly cloudy. Highs in the lower to mid 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows around 16.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow. Highs near 30.
.SATURDAY NIGHT...Partly cloudy. Lows 9 to 13.
.SUNDAY...Partly cloudy. Highs in the mid to upper 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 14 to 18.
.MONDAY...Partly cloudy. Highs in the mid 30s to lower 40s.

$$

WYZ010-122300-
Northeast Johnson County-
Including the city of Buffalo
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs around 61.
.TONIGHT...Breezy. Clear then becoming partly cloudy after
midnight then becoming mostly clear. Lows around 31. Northwest
winds 15 to 25 mph.
.WEDNESDAY...Breezy, cooler. Sunny in the morning then becoming
partly cloudy. Highs around 45. Northwest winds 15 to 20 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 26. Northwest winds
around 15 mph after midnight.
.THURSDAY...Breezy. Partly cloudy in the morning then clearing.
Highs around 41. Northwest winds 20 to 25 mph.
.THURSDAY NIGHT...Mostly clear. 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 30 percent chance of snow. Lows in the upper 20s.
.SATURDAY...Breezy, colder. Mostly cloudy with a 40 percent
chance of snow. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows in the
lower 20s.
.SUNDAY...Partly cloudy. Highs in the lower 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.MONDAY...Partly cloudy. Highs in the mid 40s.

$$

WYZ011-122300-
Southeast Johnson County-
Including the city of Kaycee
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 55 to 59. Southwest winds around
15 mph in the afternoon.
.TONIGHT...Breezy. Clear then becoming partly cloudy after
midnight then becoming mostly clear. Lows around 28. Northwest
winds 15 to 20 mph in the late evening and overnight.
.WEDNESDAY...Cooler. Mostly sunny in the morning then becoming
partly cloudy. Highs around 45. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 24.
.THURSDAY...Breezy. Partly cloudy. Highs around 41. Northwest
winds 15 to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 20s.
.FRIDAY...Not as cool. Partly cloudy. Highs in the lower 50s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows in the upper 20s.
.SATURDAY...Colder. Mostly cloudy with a 40 percent chance of
snow. Highs in the mid 30s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows in the
lower 20s.
.SUNDAY...Partly cloudy. Highs in the lower 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.MONDAY...Partly cloudy. Highs in the lower 40s.

$$

WYZ027-122300-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 44 to 48.
.TONIGHT...Mostly clear. Lows 12 to 16.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 12 to 16.
.THURSDAY...Sunny. Highs around 37.
.THURSDAY NIGHT...Clear. Lows 12 to 16.
.FRIDAY...Partly cloudy. Highs near 40.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows 16 to 20.
.SATURDAY...Breezy, colder. Mostly cloudy in the morning then
becoming partly cloudy. A 30 percent chance of snow. Highs in the
lower 30s.
.SATURDAY NIGHT...Partly cloudy. Lows 13 to 17.
.SUNDAY...Partly cloudy. Highs in the lower to mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 17 to 21.
.MONDAY...Partly cloudy. Highs in the mid 30s to lower 40s.

$$

WYZ016-122300-
Upper Wind River Basin-
Including the city of Dubois
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 51 to 56. Northwest winds
15 to 20 mph.
.TONIGHT...Breezy. Mostly clear until early morning then becoming
partly cloudy. Lows 20 to 25. Northwest winds 15 to 20 mph.
.WEDNESDAY...Colder. Partly cloudy. Isolated rain showers and
snow showers late in the afternoon. Highs 38 to 42. Northwest
winds around 15 mph until late afternoon. Chance of precipitation
20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated snow showers in
the evening, then mostly clear after midnight. Lows 18 to 22.
Chance of snow 20 percent.
.THURSDAY...Sunny. Highs 38 to 42. Northwest winds around 15 mph
in the afternoon.
.THURSDAY NIGHT...Clear. Lows in the lower to mid 20s.
.FRIDAY...Breezy. Partly cloudy. Highs 42 to 47.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 40 percent chance of snow. Lows 24 to
29.
.SATURDAY...Breezy, colder. Mostly cloudy with a 40 percent
chance of snow. Highs 29 to 34.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows 18 to 22.
.SUNDAY...Not as cold. Partly cloudy. Highs 37 to 42.
.SUNDAY NIGHT...Partly cloudy. Lows in the 20s.
.MONDAY...Partly cloudy. Highs 40 to 45.

$$

WYZ001-122300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 33 to 39.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
7 to 13.
.WEDNESDAY...Partly cloudy with isolated snow showers. Highs
28 to 34. Chance of snow 20 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows 9 to 15.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 33.
.THURSDAY NIGHT...Partly cloudy. Lows 10 to 16.
.FRIDAY...Partly cloudy in the morning, then mostly cloudy with a
40 percent chance of snow in the afternoon. Highs 26 to 32.
.FRIDAY NIGHT...Snow likely. Lows 13 to 19. Chance of snow
70 percent.
.SATURDAY...Cloudy. Snow likely in the morning, then chance of
snow in the afternoon. Highs 18 to 24. Chance of snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of snow
after midnight. Lows 10 to 16.
.SUNDAY...Mostly cloudy with a 20 percent chance of snow. Highs
22 to 28.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 14 to 20.
.MONDAY...Cloudy with a 30 percent chance of snow. Highs 26 to
32.

$$

WYZ029-122300-
Flaming Gorge-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 50 to 54.
.TONIGHT...Clear. Lows around 22.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 40 to 44.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows around 20.
.THURSDAY...Sunny. Highs 38 to 43.
.THURSDAY NIGHT...Clear. Lows 19 to 23.
.FRIDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the 40s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 20 percent chance of snow. Lows in the lower 20s.
.SATURDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow. Highs in the lower to mid 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows around 20.
.SUNDAY...Partly cloudy. Highs in the mid 30s to lower 40s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. Highs near 40.

$$

WYZ022-122300-
Casper Mountain-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 43 to 49. Southwest winds
15 to 25 mph.
.TONIGHT...Breezy. Clear until early morning then becoming partly
cloudy. Lows 21 to 27. Southwest winds 15 to 20 mph in the
evening.
.WEDNESDAY...Partly cloudy. Highs 33 to 39. West winds around
15 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows 16 to 22.
.THURSDAY...Partly cloudy. Highs 28 to 34. Northwest winds around
15 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Near steady temperature
in the lower 20s.
.FRIDAY...Windy. Not as cold. Partly cloudy. Highs 38 to 44.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows 22 to
28.
.SATURDAY...Breezy, colder. Mostly cloudy with a 50 percent
chance of snow. Highs in the lower 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
15 to 21.
.SUNDAY...Partly cloudy. Highs in the lower 30s.
.SUNDAY NIGHT...Breezy. Partly cloudy. Near steady temperature in
the upper 20s.
.MONDAY...Breezy. Partly cloudy. Highs in the upper 30s.

$$

WYZ002-122300-
Absaroka Mountains-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 36 to 46. West winds 15 to
20 mph.
.TONIGHT...Breezy. Clear in the evening then becoming partly
cloudy. Lows 14 to 22. West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy with scattered snow showers. Highs
27 to 35. Northwest winds around 15 mph. Chance of snow
30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows 12 to 20. Northwest winds around 15 mph. Chance of
snow 20 percent.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 35. Northwest winds around 15 mph.
.THURSDAY NIGHT...Windy. Mostly clear. Lows 14 to 22.
.FRIDAY...Breezy. Partly cloudy. A 30 percent chance of snow in
the afternoon. Highs 28 to 38.
.FRIDAY NIGHT...Breezy. Chance of snow in the evening, then snow
likely after midnight. Lows 15 to 23. Chance of snow 60 percent.
.SATURDAY...Breezy. Mostly cloudy. Snow likely in the morning,
then chance of snow in the afternoon. Highs 18 to 26. Chance of
snow 60 percent.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. A 20 percent chance of snow. Near steady
temperature around 16.
.SUNDAY...Breezy. Not as cold. Partly cloudy with a 30 percent
chance of snow. Highs 24 to 34.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
snow. Lows 17 to 25.
.MONDAY...Breezy. Mostly cloudy with a 30 percent chance of snow.
Highs 26 to 36.

$$

WYZ007-122300-
Owl Creek and Bridger Mountains-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 43 to 49.
.TONIGHT...Mostly clear until early morning then becoming partly
cloudy. Lows around 24.
.WEDNESDAY...Partly cloudy. Highs 34 to 40.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 22.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
33 to 39.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 19 to 25.
.FRIDAY...Partly cloudy. Highs 38 to 44.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 40 percent chance of snow. Lows 23 to 29.
.SATURDAY...Breezy. Mostly cloudy. Snow likely in the morning,
then chance of snow in the afternoon. Highs 28 to 34. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow
in the evening, then partly cloudy after midnight. Lows around
19.
.SUNDAY...Partly cloudy. Highs 32 to 38.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Partly cloudy. Highs 34 to 40.

$$

WYZ008-122300-
Bighorn Mountains West-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 42 to 48.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
20 to 26. Northwest winds around 15 mph in the late evening and
overnight.
.WEDNESDAY...Mostly sunny early in the morning then becoming
partly cloudy. Highs 29 to 37. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. A 30 percent chance of snow
after midnight. Lows 15 to 23.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
26 to 36. Northwest winds around 15 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 18 to 24.
.FRIDAY...Breezy. Not as cold. Partly cloudy. Highs 34 to 42.
.FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening,
then snow likely after midnight. Lows 17 to 27. Chance of snow
60 percent.
.SATURDAY...Mostly cloudy. Snow likely in the morning, then
chance of snow in the afternoon. Highs 24 to 32. Chance of snow
60 percent.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow
in the evening, then partly cloudy after midnight. Lows 13 to 21.
.SUNDAY...Partly cloudy. Highs 29 to 35.
.SUNDAY NIGHT...Partly cloudy. Lows 18 to 26.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 20 percent chance of snow. Highs 29 to 37.

$$

WYZ009-122300-
Bighorn Mountains Southeast-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 44 to 52. West winds 15 to
20 mph.
.TONIGHT...Breezy. Clear in the evening then becoming partly
cloudy. Lows 22 to 28. Northwest winds 15 to 25 mph.
.WEDNESDAY...Breezy. Mostly sunny early in the morning then
becoming partly cloudy. Highs 31 to 39. Northwest winds 15 to
20 mph.
.WEDNESDAY NIGHT...Partly cloudy. Near steady temperature in the
lower 20s. Northwest winds around 15 mph.
.THURSDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 27 to 35. Northwest winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 19 to 25.
.FRIDAY...Breezy. Not as cool. Partly cloudy. Highs 37 to 45.
Temperatures falling into the upper 20s in the afternoon.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of snow in the
evening, then snow likely after midnight. Lows 18 to 26. Chance
of snow 60 percent.
.SATURDAY...Breezy. Mostly cloudy. Snow likely in the morning,
then chance of snow in the afternoon. Highs 24 to 32. Chance of
snow 60 percent.
.SATURDAY NIGHT...Cloudy with a 30 percent chance of snow in the
evening, then partly cloudy after midnight. Lows 13 to 21.
.SUNDAY...Breezy. Partly cloudy. Highs 30 to 36.
.SUNDAY NIGHT...Partly cloudy. Lows 21 to 27.
.MONDAY...Breezy. Partly cloudy with a 20 percent chance of snow.
Highs 31 to 39.

$$

WYZ012-122300-
Teton and Gros Ventre Mountains-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 33 to 39.
.TONIGHT...Clear in the evening then becoming partly cloudy. Lows
9 to 15.
.WEDNESDAY...Partly cloudy. Isolated snow showers in the
afternoon. Highs 27 to 33. Chance of snow 20 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 10 to 16.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 33.
.THURSDAY NIGHT...Mostly clear. Lows 11 to 17.
.FRIDAY...Partly cloudy. A 30 percent chance of snow in the
afternoon. Highs 27 to 33.
.FRIDAY NIGHT...Snow likely. Lows 15 to 21. Chance of snow
70 percent.
.SATURDAY...Breezy, cloudy. Snow likely in the morning, then
chance of snow in the afternoon. Highs 19 to 25. Chance of snow
60 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 11 to 17.
.SUNDAY...Mostly cloudy with a 20 percent chance of snow. Highs
22 to 28.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 15 to 21.
.MONDAY...Mostly cloudy with a 30 percent chance of snow. Highs
26 to 32.

$$

WYZ014-122300-
Wind River Mountains West-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 37 to 43.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 13 to 19. Northwest winds around 15 mph early in the
evening.
.WEDNESDAY...Partly cloudy. Scattered snow showers in the
afternoon. Highs 28 to 36. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with scattered snow showers in
the evening, then clear after midnight. Lows 11 to 17. Chance of
snow 30 percent.
.THURSDAY...Sunny. Highs 26 to 34.
.THURSDAY NIGHT...Breezy, clear. Lows 12 to 18.
.FRIDAY...Breezy. Partly cloudy. Highs 29 to 37.
.FRIDAY NIGHT...Breezy. Chance of snow in the evening, then snow
likely after midnight. Lows 14 to 20. Chance of snow 60 percent.
.SATURDAY...Breezy. Mostly cloudy. Snow likely in the morning,
then chance of snow in the afternoon. Highs 20 to 28. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 30 percent chance of snow. Lows 9 to 15.
.SUNDAY...Partly cloudy with a 20 percent chance of snow. Highs
25 to 33.
.SUNDAY NIGHT...Partly cloudy with a 30 percent chance of snow.
Lows 15 to 21.
.MONDAY...Partly cloudy with a 30 percent chance of snow. Highs
27 to 35.

$$

WYZ015-122300-
Wind River Mountains East-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 38 to 48. West winds 15 to
20 mph.
.TONIGHT...Breezy. Clear until early morning then becoming partly
cloudy. Lows 15 to 23. West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Scattered snow showers in the
afternoon. Highs 28 to 36. Northwest winds around 15 mph. Chance
of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with scattered snow showers in
the evening, then clear after midnight. Lows 12 to 20. Northwest
winds around 15 mph. Chance of snow 30 percent.
.THURSDAY...Sunny. Highs 26 to 36. Northwest winds around 15 mph.
.THURSDAY NIGHT...Breezy, clear. Lows 15 to 23.
.FRIDAY...Breezy. Partly cloudy. Highs 31 to 41.
.FRIDAY NIGHT...Breezy. Partly cloudy with chance of snow in the
evening, then mostly cloudy with snow likely after midnight. Lows
14 to 24. Chance of snow 60 percent.
.SATURDAY...Windy. Mostly cloudy with snow likely. Highs 20 to
30. Chance of snow 60 percent.
.SATURDAY NIGHT...Breezy. Mostly cloudy in the evening then
becoming partly cloudy. A 30 percent chance of snow. Lows 11 to
19.
.SUNDAY...Breezy. Not as cold. Partly cloudy with a 20 percent
chance of snow. Highs 26 to 36.
.SUNDAY NIGHT...Breezy. Partly cloudy with a 30 percent chance of
snow. Lows 17 to 25.
.MONDAY...Breezy. Partly cloudy with a 30 percent chance of snow.
Highs 28 to 38.

$$

WYZ019-122300-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Breezy, sunny. Highs 41 to 47. Southwest winds
15 to 20 mph.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 17 to 23. West winds around 15 mph until early morning.
.WEDNESDAY...Partly cloudy. Isolated snow showers late in the
afternoon. Highs 34 to 40. Northwest winds around 15 mph in the
afternoon. Chance of snow 20 percent.
.WEDNESDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows 14 to 20. Chance of snow 20 percent.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
31 to 37. West winds around 15 mph in the afternoon.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 15 to 21.
.FRIDAY...Breezy. Partly cloudy. Highs 37 to 43.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows 21 to
27.
.SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of
snow. Highs in the lower 30s.
.SATURDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance
of snow in the evening, then partly cloudy after midnight. Lows
12 to 18.
.SUNDAY...Breezy. Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows 19 to 25.
.MONDAY...Breezy. Partly cloudy. Highs 35 to 41.

$$

WYZ024-122300-
Salt River and Wyoming Ranges-
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 38 to 44.
.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 11 to 17. Northwest winds around 15 mph.
.WEDNESDAY...Partly cloudy. Highs 31 to 37. Northwest winds
around 15 mph early in the morning becoming northwest around
15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 12 to 18.
.THURSDAY...Sunny. Highs 30 to 36.
.THURSDAY NIGHT...Clear. Lows 13 to 19.
.FRIDAY...Partly cloudy. Highs 32 to 38.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of snow in the
evening, then snow likely after midnight. Lows 16 to 22. Chance
of snow 60 percent.
.SATURDAY...Breezy. Mostly cloudy. Snow likely in the morning,
then chance of snow in the afternoon. Highs 23 to 29. Chance of
snow 60 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 12 to 18.
.SUNDAY...Partly cloudy with a 20 percent chance of snow. Highs
26 to 32.
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. A 30 percent chance of snow. Lows 17 to 23.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 20 percent chance of snow. Highs 31 to 37.

$$

WYZ030-122300-
East Sweetwater County-
Including the city of Wamsutter
1006 AM MST Tue Dec 12 2017

.REST OF TODAY...Sunny. Highs 46 to 50. Southwest winds around
15 mph.
.TONIGHT...Clear. Lows 17 to 21. Southwest winds around 15 mph.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 14 to 18.
.THURSDAY...Mostly sunny. Highs around 37. West winds around
15 mph in the afternoon.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 16 to 20.
.FRIDAY...Breezy. Mostly sunny in the morning then becoming
partly cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows in the
lower 20s.
.SATURDAY...Breezy, colder. Mostly cloudy with a 30 percent
chance of snow. Highs in the lower 30s.
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 15 to 19.
.SUNDAY...Breezy. Partly cloudy. Highs in the mid 30s.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.MONDAY...Breezy. Partly cloudy. Highs in the upper 30s.

$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.