Zone Forecast Product
Issued by NWS Riverton, WY

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594
FPUS55 KRIW 120722
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1221 AM MST Tue Dec 12 2017

WYZ020-131100-
Natrona County Lower Elevations-
Including the city of Casper
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 47 to 52. Lows
22 to 27. West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Highs 38 to 42.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 21. West winds
around 15 mph early in the morning.
.THURSDAY...Breezy. Partly cloudy. Highs 34 to 38. Northwest
winds 15 to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows 21 to 26. Southwest winds
around 15 mph.
.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.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the 20s.
.TUESDAY...

$$

WYZ017-131100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 43 to 48. Lows 14 to 19.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Partly cloudy. Lows 15 to 19.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
36 to 40.
.THURSDAY NIGHT...Mostly clear. 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.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$

WYZ018-131100-
Lander Foothills-
Including the city of Lander
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs around 48. Lows 16 to 21.
.WEDNESDAY...Partly 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...Clear. 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.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$

WYZ028-131100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 47 to 51. Lows 16 to 21.
.WEDNESDAY...Mostly sunny early in the morning then becoming
partly cloudy. Highs 40 to 44.
.WEDNESDAY NIGHT...Mostly clear. Lows 16 to 21.
.THURSDAY...Sunny. Highs 37 to 41.
.THURSDAY NIGHT...Clear. Lows 16 to 21. West winds around 15 mph
after midnight.
.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.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$

WYZ013-131100-
Jackson Hole-
Including the city of Jackson
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Patchy freezing fog after
midnight. Highs around 36. Lows 5 to 10.
.WEDNESDAY...Partly cloudy. Highs around 34.
.WEDNESDAY NIGHT...Mostly clear. Lows 8 to 13.
.THURSDAY...Partly cloudy. Highs around 34.
.THURSDAY NIGHT...Partly cloudy in the evening then clearing.
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.
.MONDAY NIGHT...Cloudy. A 20 percent chance of snow showers in
the evening. Lows 19 to 23.
.TUESDAY...

$$

WYZ003-131100-
Cody Foothills-
Including the cities of Cody and Meeteetse
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 51 to 55. Lows
24 to 29. West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Highs 42 to 46.
.WEDNESDAY NIGHT...Partly cloudy. Lows 22 to 26.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
41 to 45.
.THURSDAY NIGHT...Windy. Mostly clear. Lows 25 to 30. Southwest
winds 15 to 25 mph increasing to west 25 to 35 mph after
midnight.
.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.
.MONDAY NIGHT...Partly cloudy. Lows 24 to 29.
.TUESDAY...

$$

WYZ004-131100-
North Big Horn Basin-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 47 to 51. Lows 17 to 22.
.WEDNESDAY...Partly cloudy. Highs around 44.
.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. Southwest winds
around 15 mph after midnight.
.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.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$

WYZ006-131100-
Southeast Big Horn Basin-
Including the city of Worland
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 46 to 50. Lows 14 to 19.
.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 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.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 19 to 23.
.TUESDAY...

$$

WYZ005-131100-
Southwest Big Horn Basin-
Including the city of Thermopolis
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs around 48. Lows 16 to 21.
.WEDNESDAY...Partly cloudy. Highs around 42.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 20.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
around 40.
.THURSDAY NIGHT...Mostly clear. 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.
.MONDAY NIGHT...Partly cloudy. Lows 19 to 23.
.TUESDAY...

$$

WYZ023-131100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Patchy freezing fog after
midnight. Highs around 36. Lows 5 to 10.
.WEDNESDAY...Partly cloudy. Highs around 37.
.WEDNESDAY NIGHT...Mostly clear. Lows 5 to 10.
.THURSDAY...Mostly sunny. Highs around 35.
.THURSDAY NIGHT...Clear. 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.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$

WYZ025-131100-
Upper Green River Basin Foothills-
Including the city of Pinedale
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 40 to 45. Lows 8 to 13.
.WEDNESDAY...Partly cloudy until late afternoon then clearing.
Highs 36 to 40.
.WEDNESDAY NIGHT...Mostly clear. Lows 10 to 14.
.THURSDAY...Sunny. Highs 34 to 38.
.THURSDAY NIGHT...Clear. 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.
.MONDAY NIGHT...Mostly cloudy. Lows 14 to 18.
.TUESDAY...

$$

WYZ026-131100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 44 to 49. Lows 8 to 13.
.WEDNESDAY...Partly cloudy. Highs 38 to 42.
.WEDNESDAY NIGHT...Mostly clear. Lows around 12.
.THURSDAY...Sunny. Highs 35 to 39.
.THURSDAY NIGHT...Clear. 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.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 15 to 19.
.TUESDAY...

$$

WYZ010-131100-
Northeast Johnson County-
Including the city of Buffalo
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs around 61. Lows
25 to 30. Northwest winds 15 to 20 mph.
.WEDNESDAY...Breezy, cooler, sunny. Highs around 46. Northwest
winds 15 to 20 mph.
.WEDNESDAY NIGHT...Breezy. Partly cloudy. Lows around 26.
Northwest winds 15 to 20 mph after midnight.
.THURSDAY...Breezy. Partly cloudy in the morning then clearing.
Highs around 42. Northwest winds 20 to 25 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 26.
.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.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 20s.
.TUESDAY...

$$

WYZ011-131100-
Southeast Johnson County-
Including the city of Kaycee
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 55 to 59. Lows 23 to 28.
West winds around 15 mph.
.WEDNESDAY...Cooler. Mostly sunny. Highs around 45. Northwest
winds around 15 mph until late afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 24. Northwest winds
around 15 mph early in the morning.
.THURSDAY...Breezy. Partly cloudy. Highs around 41. Northwest
winds 15 to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 26. Southwest winds
around 15 mph after midnight.
.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.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 20s.
.TUESDAY...

$$

WYZ027-131100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 43 to 47. Lows 12 to 17.
.WEDNESDAY...Partly cloudy. Highs 37 to 41.
.WEDNESDAY NIGHT...Mostly clear. Lows 12 to 16.
.THURSDAY...Sunny. Highs around 37.
.THURSDAY NIGHT...Clear. 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.
.MONDAY NIGHT...Partly cloudy. Lows 18 to 22.
.TUESDAY...

$$

WYZ016-131100-
Upper Wind River Basin-
Including the city of Dubois
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 48 to 53. Lows
19 to 24. Northwest winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Highs 40 to 44. Northwest winds
around 15 mph early in the morning.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 18 to 22.
.THURSDAY...Sunny. Highs 38 to 42. Northwest winds around 15 mph
in the afternoon.
.THURSDAY NIGHT...Clear. Lows 21 to 25. West winds around 15 mph.
.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.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...

$$

WYZ001-131100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 32 to 38. Lows 4 to 12.
.WEDNESDAY...Partly cloudy. Highs 29 to 35.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 7 to 13.
.THURSDAY...Partly cloudy in the morning then clearing. 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.
.MONDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Lows 14 to 20.
.TUESDAY...

$$

WYZ029-131100-
Flaming Gorge-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Clear. Highs 48 to 52. Lows 19 to 23.
.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 19.
.THURSDAY...Sunny. Highs 38 to 42.
.THURSDAY NIGHT...Clear. Lows 19 to 23. West winds around 15 mph
after midnight.
.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.
.MONDAY NIGHT...Partly cloudy. Lows in the 20s.
.TUESDAY...

$$

WYZ022-131100-
Casper Mountain-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 42 to 48. Lows
21 to 27. West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy in the morning, then mostly sunny with
a 30 percent chance of snow in the afternoon. Highs 33 to 39.
.WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of
snow. Lows 16 to 22. West winds around 15 mph early in the
morning.
.THURSDAY...Partly cloudy. Highs 28 to 34. Northwest winds around
15 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 21 to 27. Southwest
winds 15 to 25 mph.
.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.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. Lows 23 to 29.
.TUESDAY...

$$

WYZ002-131100-
Absaroka Mountains-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 35 to 45. Lows
13 to 23. West winds 15 to 25 mph.
.WEDNESDAY...Partly cloudy with a 30 percent chance of snow.
Highs 28 to 36. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 12 to 20. Northwest winds
around 15 mph early in the evening becoming northwest around
15 mph after midnight.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 35. Northwest winds around 15 mph.
.THURSDAY NIGHT...Windy. Mostly clear. Lows 16 to 24. West winds
20 to 30 mph. Gusts up to 45 mph after midnight.
.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.
.MONDAY NIGHT...Breezy. Cloudy with a 30 percent chance of snow
showers. Lows 16 to 24.
.TUESDAY...

$$

WYZ007-131100-
Owl Creek and Bridger Mountains-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 42 to 48. Lows 19 to 25.
.WEDNESDAY...Partly cloudy. Highs 35 to 41.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 21.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
33 to 39.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 20 to 26. Southwest
winds 15 to 20 mph after midnight.
.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.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.TUESDAY...

$$

WYZ008-131100-
Bighorn Mountains West-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 42 to 48. Lows 20 to 26.
Northwest winds around 15 mph.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 29 to 39.
.WEDNESDAY NIGHT...Partly cloudy. Lows 15 to 23. Northwest winds
around 15 mph early in the morning.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 35. Northwest winds around 15 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Lows 17 to 25. West winds
15 to 20 mph.
.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.
.MONDAY NIGHT...Mostly cloudy. Lows 17 to 25.
.TUESDAY...

$$

WYZ009-131100-
Bighorn Mountains Southeast-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy. Mostly clear. Highs 44 to 52. Lows
22 to 28. Northwest winds 15 to 20 mph.
.WEDNESDAY...Breezy. Mostly sunny. Highs 31 to 39. Northwest
winds 15 to 20 mph.
.WEDNESDAY NIGHT...Breezy. Partly cloudy. Lows 17 to 23.
Northwest winds 15 to 20 mph.
.THURSDAY...Breezy. Partly cloudy in the morning then clearing.
Highs 28 to 36. Northwest winds 15 to 20 mph.
.THURSDAY NIGHT...Breezy. Mostly clear. Near steady temperature
in the mid 20s. West winds 15 to 25 mph.
.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.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 18 to 26.
.TUESDAY...

$$

WYZ012-131100-
Teton and Gros Ventre Mountains-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 31 to 37. Lows 9 to 15.
.WEDNESDAY...Partly cloudy. Highs 28 to 34.
.WEDNESDAY NIGHT...Mostly clear. Lows 9 to 15.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
27 to 33.
.THURSDAY NIGHT...Mostly clear. 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.
.MONDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Lows 16 to 22.
.TUESDAY...

$$

WYZ014-131100-
Wind River Mountains West-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 37 to 43. Lows 13 to 20.
North winds around 15 mph.
.WEDNESDAY...Partly cloudy. A 20 percent chance of snow in the
afternoon. Highs 28 to 36.
.WEDNESDAY NIGHT...Partly cloudy early in the evening then
clearing. Lows 10 to 16.
.THURSDAY...Sunny. Highs 26 to 34.
.THURSDAY NIGHT...Clear. Lows 13 to 19. West winds around 15 mph.
.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.
.MONDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. Lows 14 to 20.
.TUESDAY...

$$

WYZ015-131100-
Wind River Mountains East-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Breezy, clear. Highs 37 to 47. Lows 15 to 24.
West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy with a 30 percent chance of snow.
Highs 28 to 38. Northwest winds around 15 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 12 to 20. Northwest winds around 15 mph.
.THURSDAY...Sunny. Highs 26 to 36. Northwest winds around 15 mph.
.THURSDAY NIGHT...Breezy, clear. Lows 15 to 23. West winds 15 to
20 mph.
.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.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows 16 to 24.
.TUESDAY...

$$

WYZ019-131100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 40 to 46. Lows 16 to 23.
West winds around 15 mph.
.WEDNESDAY...Partly cloudy. Highs 34 to 40.
.WEDNESDAY NIGHT...Partly cloudy. Lows 14 to 20.
.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. Southwest
winds 15 to 20 mph.
.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.
.MONDAY NIGHT...Breezy. Partly cloudy. Lows 20 to 26.
.TUESDAY...

$$

WYZ024-131100-
Salt River and Wyoming Ranges-
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Mostly clear. Highs 37 to 43. Lows 9 to 18.
.WEDNESDAY...Partly cloudy. Highs 32 to 38.
.WEDNESDAY NIGHT...Mostly clear. Lows 11 to 17.
.THURSDAY...Sunny. Highs 30 to 36.
.THURSDAY NIGHT...Clear. 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.
.MONDAY NIGHT...Mostly cloudy. Lows 17 to 23.
.TUESDAY...

$$

WYZ030-131100-
East Sweetwater County-
Including the city of Wamsutter
1221 AM MST Tue Dec 12 2017

.REST OF TONIGHT...Clear. Highs 45 to 49. Lows 15 to 20. West
winds around 15 mph.
.WEDNESDAY...Mostly sunny early in the morning then becoming
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, clear. Lows 17 to 21. Southwest winds
15 to 20 mph.
.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.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 20s.
.TUESDAY...

$$





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