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
267
FPUS55 KRIW 221220
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
619 AM MDT Sun Apr 22 2018

WYZ020-222200-
Natrona County Lower Elevations-
Including the city of Casper
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs around 68.
.TONIGHT...Mostly clear until early morning then becoming partly
cloudy. Lows around 36.
.MONDAY...Windy, cooler. Cloudy with a 50 percent chance of rain
showers. Highs 45 to 49. Southeast winds around 15 mph increasing
to north 20 to 30 mph in the late morning and afternoon.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Lows around 25. North winds 15 to
25 mph. Chance of precipitation 40 percent.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 48.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower 30s.
.THURSDAY...Cooler. Partly cloudy in the morning then clearing.
Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Warmer, sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the upper 60s.

$$

WYZ017-222200-
Wind River Basin-
Including the cities of Riverton and Shoshoni
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 67 to 71.
.TONIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows around 38.
.MONDAY...Breezy. Much cooler. Cloudy. Chance of rain showers in
the morning, then rain showers likely early in the afternoon.
Chance of rain showers late in the afternoon. Highs 44 to 48.
North winds 15 to 25 mph. Chance of showers 60 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Lows around 27. North winds 15 to
20 mph in the evening. Chance of precipitation 40 percent.
.TUESDAY...Partly cloudy. Highs 49 to 53.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the mid 60s to lower
70s.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower to mid 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer, sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny. Highs 68 to 73.

$$

WYZ018-222200-
Lander Foothills-
Including the city of Lander
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 67 to 71.
.TONIGHT...Mostly clear in the evening then becoming partly
cloudy. Lows around 38.
.MONDAY...Breezy. Much cooler. Cloudy with a 50 percent chance of
rain showers. Highs around 47. Northwest winds 15 to 20 mph
shifting to the north in the afternoon.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Lows around 26. North winds 15 to
20 mph in the evening. Chance of precipitation 40 percent.
.TUESDAY...Partly cloudy. Highs around 50.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the mid 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
around 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer. Mostly sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny. Highs near 70.

$$

WYZ028-222200-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 63 to 67.
.TONIGHT...Partly cloudy. Lows around 38.
.MONDAY...Breezy. Mostly cloudy then becoming partly cloudy late
in the morning then becoming mostly cloudy then becoming partly
cloudy late in the afternoon. A 20 percent chance of rain
showers. Highs 52 to 56. West winds 15 to 25 mph.
.MONDAY NIGHT...Breezy, colder. Partly cloudy. Lows around 26.
North winds 15 to 20 mph shifting to the east after midnight.
.TUESDAY...Partly cloudy. Highs 50 to 54. East winds around
15 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid to upper 60s.

$$

WYZ013-222200-
Jackson Hole-
Including the city of Jackson
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 56 to 60.
.TONIGHT...Partly cloudy early in the evening, then chance of
rain in the late evening and early morning. Mostly cloudy with
rain showers likely early in the morning. Lows around 33. Chance
of precipitation 70 percent.
.MONDAY...Colder. Rain showers, possibly mixed with snow showers.
Little or no snow accumulation. Highs 39 to 43. West winds around
15 mph in the late morning and early afternoon shifting to the
northwest. Chance of precipitation 60 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
rain showers and snow showers in the evening, then partly cloudy
after midnight. Lows 21 to 25.
.TUESDAY...Not as cool. Mostly sunny. Highs 51 to 55.
.TUESDAY NIGHT...Mostly clear. Lows in the 20s.
.WEDNESDAY...Mostly sunny. Highs near 60.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Mostly sunny. Highs in the mid to upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs in the lower to mid 60s.
.FRIDAY NIGHT...Mostly clear. A 20 percent chance of rain showers
in the evening. Lows in the lower 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower to mid 60s.

$$

WYZ003-222200-
Cody Foothills-
Including the cities of Cody and Meeteetse
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 61 to 66.
.TONIGHT...Partly cloudy in the evening, then slight chance of
rain after midnight. Mostly cloudy with chance of rain showers,
possibly mixed with snow showers early in the morning. Lows 30 to
34. Northwest winds around 15 mph early in the morning. Chance of
precipitation 40 percent.
.MONDAY...Windy. Much colder. Snow showers, possibly mixed with
rain showers in the morning, then snow showers likely in the
afternoon. Snow accumulation of 1 to 2 inches. Highs 33 to 37.
North winds 20 to 30 mph. Chance of precipitation 80 percent.
.MONDAY NIGHT...Breezy, colder. Cloudy in the evening then
becoming partly cloudy. A 30 percent chance of snow showers. Lows
21 to 25. Northwest winds 15 to 20 mph.
.TUESDAY...Not as cool. Mostly sunny. Highs 50 to 55.
.TUESDAY NIGHT...Clear. Lows near 30.
.WEDNESDAY...Warmer. Mostly sunny. Highs 63 to 68.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
57 to 62.
.THURSDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.FRIDAY...Mostly sunny. Highs 64 to 69.
.FRIDAY NIGHT...Mostly clear. Lows 35 to 40.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 62 to 67.

$$

WYZ004-222200-
North Big Horn Basin-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 67 to 71.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Lows 36 to 41. North winds around 15 mph early in the
morning.
.MONDAY...Windy. Much cooler. Rain showers, possibly mixed with
snow showers. Little or no snow accumulation. Highs 40 to 45.
North winds 20 to 30 mph. Chance of precipitation 70 percent.
.MONDAY NIGHT...Breezy, colder. Mostly cloudy. Chance of snow
showers, possibly mixed with rain showers in the evening. Lows
around 27. Northwest winds 15 to 25 mph. Chance of precipitation
30 percent.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 53 to 57.
.TUESDAY NIGHT...Clear. Lows in the lower 30s.
.WEDNESDAY...Warmer. Mostly sunny in the morning then becoming
partly cloudy. Highs near 70.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.THURSDAY...Mostly sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer. Mostly sunny. Highs in the lower to mid 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SATURDAY...Mostly sunny. Highs near 70.

$$

WYZ006-222200-
Southeast Big Horn Basin-
Including the city of Worland
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 67 to 71.
.TONIGHT...Mostly clear then becoming partly cloudy in the late
evening and early morning then becoming mostly cloudy. Lows
around 37.
.MONDAY...Breezy. Much cooler. Rain showers likely until late
afternoon, then rain showers, possibly mixed with snow showers
late in the afternoon. No snow accumulation. Highs 41 to 45.
Northwest winds 15 to 25 mph. Chance of precipitation 60 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of rain showers
and snow showers in the evening, then chance of snow showers
after midnight. Lows around 27. Northwest winds 15 to 25 mph.
Chance of precipitation 30 percent.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 50 to 54.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs near 70.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer, sunny. Highs 69 to 74.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny. Highs near 70.

$$

WYZ005-222200-
Southwest Big Horn Basin-
Including the city of Thermopolis
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 67 to 71.
.TONIGHT...Partly cloudy. Lows around 36.
.MONDAY...Windy. Much colder. Rain showers likely early in the
morning, then rain showers, possibly mixed with snow showers in
the late morning and afternoon. Little or no snow accumulation.
Highs 39 to 43. Northwest winds 20 to 30 mph. Chance of
precipitation 60 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then slight
chance of snow showers after midnight. Lows around 26. Northwest
winds 15 to 25 mph. Chance of precipitation 40 percent.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 50 to 54.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs near 70.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Warmer. Mostly sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs near 70.

$$

WYZ023-222200-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 61 to 65.
.TONIGHT...Partly cloudy early in the evening, then chance of
rain in the late evening and early morning. Mostly cloudy with
rain showers likely early in the morning. Lows around 34. Chance
of precipitation 60 percent.
.MONDAY...Cooler. Cloudy with a 40 percent chance of rain
showers. Highs 44 to 48. West winds around 15 mph in the
afternoon.
.MONDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows around 26. Northwest winds around 15 mph in the
evening.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 56 to 60.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.WEDNESDAY...Mostly sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs near 60.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 60s.
.FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers and thunderstorms in the evening. Lows in the mid 30s.
.SATURDAY...Partly cloudy. Highs in the mid to upper 60s.

$$

WYZ025-222200-
Upper Green River Basin Foothills-
Including the city of Pinedale
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 56 to 60.
.TONIGHT...Partly cloudy early in the evening, then chance of
rain in the late evening and early morning. Mostly cloudy with
chance of rain showers early in the morning. Lows 30 to 34.
Chance of precipitation 50 percent.
.MONDAY...Breezy, cooler, cloudy. Rain showers likely in the
morning. Chance of snow showers through the day. Chance of rain
showers in the afternoon. Little or no snow accumulation. Highs
42 to 46. West winds 15 to 20 mph. Chance of precipitation
60 percent.
.MONDAY NIGHT...Mostly cloudy. Slight chance of snow showers,
possibly mixed with rain showers in the evening, then slight
chance of snow showers after midnight. Lows around 24. Northwest
winds around 15 mph in the evening. Chance of precipitation
20 percent.
.TUESDAY...Partly cloudy. Highs 47 to 51.
.TUESDAY NIGHT...Clear. Lows in the lower 20s.
.WEDNESDAY...Not as cool. Mostly sunny. Highs near 60.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.THURSDAY...Mostly sunny. Highs in the 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Mostly sunny. Highs near 60.
.FRIDAY NIGHT...Mostly clear. Lows around 30.
.SATURDAY...Partly cloudy. Highs near 60.

$$

WYZ026-222200-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
619 AM MDT Sun Apr 22 2018

.TODAY...Sunny until late afternoon then becoming partly cloudy.
Highs 61 to 65.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Chance of rain after midnight. Chance of rain showers
early in the morning. Lows 34 to 38. Chance of precipitation
40 percent.
.MONDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance
of rain showers. Highs 48 to 53. West winds 15 to 20 mph.
.MONDAY NIGHT...Breezy, colder. Mostly cloudy. Slight chance of
rain showers and snow showers in the evening. Lows around 25.
Northwest winds 15 to 20 mph shifting to the east after midnight.
Chance of precipitation 20 percent.
.TUESDAY...Partly cloudy. Highs 49 to 53. Southeast winds around
15 mph in the morning.
.TUESDAY NIGHT...Clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows near 30.
.THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows near 30.
.FRIDAY...Mostly sunny. Highs in the lower to mid 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.SATURDAY...Partly cloudy in the morning then clearing. Highs in
the 60s.

$$

WYZ010-222200-
Northeast Johnson County-
Including the city of Buffalo
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 64 to 68. North winds around 15 mph
early in the morning.
.TONIGHT...Mostly clear then becoming partly cloudy in the late
evening and early morning then becoming mostly cloudy. Lows
around 37.
.MONDAY...Windy. Much colder. Cloudy. Chance of rain showers in
the morning, then rain showers likely in the afternoon. Highs
40 to 44. North winds 15 to 25 mph increasing to 25 to 35 mph
with gusts to around 50 mph in the afternoon. Chance of showers
70 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Snow accumulation up to 1 inch. Lows
around 27. Northwest winds 15 to 25 mph. Chance of precipitation
50 percent.
.TUESDAY...Partly cloudy. Highs 48 to 52. North winds around
15 mph in the morning.
.TUESDAY NIGHT...Clear. Lows around 30.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the mid 60s.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows in the mid 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs in
the mid 50s to lower 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer, sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows around 40.
.SATURDAY...Mostly sunny. Highs near 70.

$$

WYZ011-222200-
Southeast Johnson County-
Including the city of Kaycee
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 65 to 69. North winds around 15 mph
early in the morning.
.TONIGHT...Mostly clear early in the evening then becoming partly
cloudy. Lows around 36.
.MONDAY...Windy. Much cooler. Cloudy. Chance of rain showers in
the morning, then rain showers likely in the afternoon. Highs
around 45. North winds 25 to 35 mph. Chance of showers
60 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of rain showers
and snow showers in the evening, then chance of snow showers
after midnight. Lows around 26. North winds 15 to 25 mph. Chance
of precipitation 40 percent.
.TUESDAY...Partly cloudy. Highs around 49. North winds around
15 mph in the morning.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the mid to upper 60s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.THURSDAY...Partly cloudy in the morning then clearing. Highs in
the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Warmer, sunny. Highs near 70.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny. Highs near 70.

$$

WYZ027-222200-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
619 AM MDT Sun Apr 22 2018

.TODAY...Sunny until late afternoon then becoming partly cloudy.
Highs 62 to 66.
.TONIGHT...Partly cloudy. Slight chance of rain after midnight.
Chance of rain showers early in the morning. Lows around 36.
Chance of precipitation 30 percent.
.MONDAY...Breezy, cooler. Mostly cloudy then becoming partly
cloudy late in the morning then becoming mostly cloudy then
becoming partly cloudy late in the afternoon. A 30 percent chance
of rain showers. Highs 48 to 52. West winds 15 to 25 mph.
.MONDAY NIGHT...Breezy, colder. Partly cloudy. Lows around 26.
North winds 15 to 20 mph shifting to the east after midnight.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
50 to 54. East winds around 15 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs in the 60s.
.FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain
showers and thunderstorms in the evening. Lows in the mid 30s.
.SATURDAY...Partly cloudy. Highs in the mid to upper 60s.

$$

WYZ016-222200-
Upper Wind River Basin-
Including the city of Dubois
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 60 to 65. West winds around 15 mph
late in the afternoon.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. A 30 percent chance of rain after midnight. Lows 32 to
36. West winds around 15 mph early in the evening.
.MONDAY...Breezy, cooler. Cloudy with rain showers, possibly
mixed with snow showers. Snow accumulation up to 1 inch. Highs
41 to 45. Northwest winds around 15 mph shifting to the northeast
in the afternoon. Chance of precipitation 60 percent.
.MONDAY NIGHT...Colder. Cloudy with a 40 percent chance of snow
showers. Lows 21 to 25. Northeast winds around 15 mph in the
evening.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
47 to 51.
.TUESDAY NIGHT...Clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs 60 to 65.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows near 30.
.THURSDAY...Partly cloudy in the morning then clearing. Highs in
the 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs 59 to 64.
.FRIDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 59 to 64.

$$

WYZ001-222200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 48 to 54. Southwest winds around 15 mph in the late
morning and afternoon.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Chance of rain, possibly mixed with snow in the evening,
then snow showers, possibly mixed with rain after midnight. Snow
accumulation up to 1 inch. Lows 26 to 32. Southwest winds around
15 mph early in the evening. Chance of precipitation 80 percent.
.MONDAY...Colder. Snow showers. Snow accumulation of 2 to
3 inches. Total snow accumulation 2 to 4 inches. Highs 30 to 36.
East winds around 15 mph shifting to the north in the late
morning and afternoon. Chance of snow 80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
snow showers in the evening, then partly cloudy after midnight.
Lows 12 to 18. Northeast winds around 15 mph in the evening.
.TUESDAY...Not as cool. Mostly sunny. Highs 44 to 50.
.TUESDAY NIGHT...Clear. Lows 19 to 25.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 49 to 55.
.WEDNESDAY NIGHT...Partly cloudy. Lows 22 to 28.
.THURSDAY...Mostly sunny. Highs 47 to 53.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Mostly sunny. Highs 52 to 58.
.FRIDAY NIGHT...Mostly clear. Lows around 30.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 52 to 58.

$$

WYZ029-222200-
Flaming Gorge-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 62 to 67.
.TONIGHT...Partly cloudy. Lows around 39.
.MONDAY...Breezy. Mostly cloudy with a 30 percent chance of rain
showers. Highs 53 to 57. West winds 15 to 25 mph.
.MONDAY NIGHT...Breezy, colder. Partly cloudy. Lows around 27.
North winds 15 to 20 mph shifting to the northeast after
midnight.
.TUESDAY...Partly cloudy. Highs 50 to 55. Northeast winds around
15 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs 62 to 67.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Mostly sunny. Highs 58 to 63.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs 65 to 70.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
in the upper 30s.
.SATURDAY...Mostly sunny. Highs 65 to 70.

$$

WYZ022-222200-
Casper Mountain-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 59 to 65.
.TONIGHT...Breezy. Mostly clear until early morning then becoming
partly cloudy. Lows 33 to 39. Southeast winds 15 to 20 mph in the
late evening and early morning.
.MONDAY...Breezy, cooler. Mostly cloudy. Chance of rain showers
in the morning, then rain showers likely in the afternoon. Highs
44 to 50. South winds around 15 mph shifting to the northwest in
the afternoon. Chance of showers 60 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Snow accumulation up to 1 inch. Lows
19 to 25. North winds 15 to 20 mph. Chance of precipitation
50 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow showers
in the morning, then partly cloudy in the afternoon. Highs 38 to
44. North winds around 15 mph in the morning.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 20s.
.WEDNESDAY...Breezy. Not as cool. Mostly sunny. Highs 58 to 64.
.WEDNESDAY NIGHT...Mostly clear in the evening, then partly
cloudy with a 20 percent chance of snow showers after midnight.
Lows 26 to 32.
.THURSDAY...Partly cloudy with a 20 percent chance of rain
showers and snow showers in the morning, then mostly sunny in the
afternoon. Highs 49 to 55.
.THURSDAY NIGHT...Mostly clear. Lows 28 to 34.
.FRIDAY...Warmer. Mostly sunny. Highs 59 to 65.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 30s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a 20 percent chance of rain showers and thunderstorms in the
afternoon. Highs 60 to 66.

$$

WYZ002-222200-
Absaroka Mountains-
619 AM MDT Sun Apr 22 2018

.TODAY...Breezy. Mostly sunny until late afternoon then becoming
partly cloudy. Highs 44 to 54. Southwest winds 15 to 20 mph.
.TONIGHT...Partly cloudy early in the evening, then chance of
snow, possibly mixed with rain in the late evening and early
morning. Mostly cloudy with snow likely early in the morning.
Snow accumulation up to 2 inches. Lows 24 to 30. Southwest winds
around 15 mph early in the evening becoming south around 15 mph
after midnight. Chance of precipitation 60 percent.
.MONDAY...Breezy, colder. Snow showers. Snow accumulation of 3 to
5 inches. Highs 28 to 34. North winds 15 to 20 mph. Chance of
snow 80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 50 percent chance of
snow showers. Snow accumulation up to 1 inch. Total snow
accumulation 3 to 8 inches. Lows 13 to 19. Northeast winds around
15 mph in the evening.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 37 to 45.
.TUESDAY NIGHT...Clear. Lows 19 to 25.
.WEDNESDAY...Not as cool. Mostly sunny in the morning then
becoming partly cloudy. Highs 44 to 54.
.WEDNESDAY NIGHT...Partly cloudy. Lows 21 to 27.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
41 to 51.
.THURSDAY NIGHT...Mostly clear. Lows 25 to 31.
.FRIDAY...Mostly sunny. Highs 46 to 56.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers and snow showers in the evening, then mostly clear after
midnight. Lows 26 to 32.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a 20 percent chance of rain showers and thunderstorms in the
afternoon. Highs 45 to 55.

$$

WYZ007-222200-
Owl Creek and Bridger Mountains-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 59 to 67. South winds around 15 mph
in the late morning and early afternoon.
.TONIGHT...Mostly clear early in the evening then becoming partly
cloudy. Lows 31 to 37. North winds around 15 mph after midnight.
.MONDAY...Windy. Much colder. Cloudy. Snow showers, possibly
mixed with rain showers. Snow accumulation up to 1 inch. Highs
34 to 40. North winds 20 to 30 mph. Chance of precipitation
70 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Snow showers likely in
the evening, then chance of snow showers after midnight. Snow
accumulation up to 1 inch. Total snow accumulation up to
2 inches. Lows 21 to 27. North winds 15 to 25 mph. Chance of snow
60 percent.
.TUESDAY...Not as cool. Partly cloudy in the morning then
clearing. Highs 43 to 49.
.TUESDAY NIGHT...Clear. Lows in the upper 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs 57 to 65.
.WEDNESDAY NIGHT...Partly cloudy. Lows 29 to 35.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
50 to 58.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Warmer. Mostly sunny. Highs 59 to 67.
.FRIDAY NIGHT...Mostly clear. Lows 33 to 39.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 59 to 67.

$$

WYZ008-222200-
Bighorn Mountains West-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 50 to 60. South winds around 15 mph
in the late morning and early afternoon.
.TONIGHT...Mostly clear then becoming partly cloudy in the late
evening and early morning then becoming mostly cloudy. Lows 28 to
36. East winds around 15 mph in the late evening and early
morning.
.MONDAY...Breezy, colder. Snow showers, possibly mixed with rain
showers until late afternoon, then snow showers late in the
afternoon. Snow accumulation of 1 to 4 inches. Highs 31 to 39.
East winds around 15 mph shifting to the north in the late
morning and afternoon. Chance of precipitation 80 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Snow showers likely in
the evening, then chance of snow showers after midnight. Snow
accumulation around 1 inch. Total snow accumulation 2 to
5 inches. Lows 16 to 26. North winds 15 to 20 mph. Chance of snow
60 percent.
.TUESDAY...Not as cool. Partly cloudy. A 20 percent chance of
snow showers in the morning. Highs 36 to 46.
.TUESDAY NIGHT...Mostly clear. Lows 23 to 29.
.WEDNESDAY...Not as cool. Mostly sunny in the morning then
becoming partly cloudy. Highs 49 to 59.
.WEDNESDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows 23 to 33. Chance of snow 20 percent.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
43 to 53.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 34.
.FRIDAY...Not as cool. Mostly sunny. Highs 51 to 61.
.FRIDAY NIGHT...Mostly clear. Lows 29 to 37.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 52 to 62.

$$

WYZ009-222200-
Bighorn Mountains Southeast-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 50 to 60. Southeast winds around
15 mph in the late morning and afternoon.
.TONIGHT...Mostly clear then becoming partly cloudy in the late
evening and early morning then becoming mostly cloudy. Lows 29 to
35. East winds around 15 mph after midnight.
.MONDAY...Breezy, colder. Snow showers, possibly mixed with rain
showers. Snow accumulation up to 3 inches. Highs 33 to 41. North
winds 15 to 25 mph. Chance of precipitation 80 percent.
.MONDAY NIGHT...Breezy, colder, cloudy. Snow showers likely in
the evening, then chance of snow showers after midnight. Snow
accumulation around 1 inch. Total snow accumulation 1 to
4 inches. Lows 17 to 25. North winds 15 to 20 mph. Chance of snow
60 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow showers
in the morning, then partly cloudy in the afternoon. Highs 37 to
45.
.TUESDAY NIGHT...Mostly clear. Lows 22 to 28.
.WEDNESDAY...Not as cool. Mostly sunny in the morning then
becoming partly cloudy. Highs 51 to 61.
.WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of snow
showers. Lows 25 to 31.
.THURSDAY...Partly cloudy. Highs 43 to 53.
.THURSDAY NIGHT...Mostly clear. Lows 27 to 33.
.FRIDAY...Not as cool. Mostly sunny. Highs 52 to 62.
.FRIDAY NIGHT...Mostly clear. Lows 30 to 36.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 52 to 62.

$$

WYZ012-222200-
Teton and Gros Ventre Mountains-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 47 to 55. Southwest winds around 15 mph in the late
morning and afternoon.
.TONIGHT...Partly cloudy early in the evening, then chance of
rain, possibly mixed with snow in the late evening and early
morning. Mostly cloudy with snow showers, possibly mixed with
rain early in the morning. Snow accumulation up to 2 inches. Lows
27 to 33. Southwest winds around 15 mph early in the evening.
Chance of precipitation 80 percent.
.MONDAY...Colder. Snow showers, possibly mixed with rain showers
in the morning, then snow showers likely in the afternoon. Snow
accumulation of 1 to 3 inches. Total snow accumulation 1 to
5 inches. Highs 32 to 38. West winds around 15 mph shifting to
the northwest late in the afternoon. Chance of precipitation
80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy in the evening then
becoming partly cloudy. A 30 percent chance of snow showers. Lows
16 to 22. North winds around 15 mph in the evening.
.TUESDAY...Not as cool. Mostly sunny. Highs 42 to 50.
.TUESDAY NIGHT...Mostly clear. Lows 19 to 25.
.WEDNESDAY...Mostly sunny. Highs 47 to 55.
.WEDNESDAY NIGHT...Mostly clear. Lows 23 to 29.
.THURSDAY...Mostly sunny. Highs 45 to 53.
.THURSDAY NIGHT...Mostly clear. Lows 26 to 32.
.FRIDAY...Mostly sunny. Highs 50 to 58.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
27 to 33.
.SATURDAY...Partly cloudy. A 20 percent chance of rain showers
and thunderstorms in the afternoon. Highs 49 to 59.

$$

WYZ014-222200-
Wind River Mountains West-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 45 to 55. West winds around 15 mph
in the late morning and afternoon.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Chance of rain and snow in the late evening and early
morning. Snow showers likely, possibly mixed with rain early in
the morning. Snow accumulation up to 1 inch. Lows 27 to 35.
Southwest winds around 15 mph early in the evening. Chance of
precipitation 70 percent.
.MONDAY...Breezy. Snow showers likely, possibly mixed with rain
showers until late afternoon, then snow showers likely late in
the afternoon. Snow accumulation up to 3 inches. Highs 32 to 42.
West winds 15 to 20 mph. Chance of precipitation 60 percent.
.MONDAY NIGHT...Colder. Mostly cloudy. Snow showers likely in the
evening, then chance of snow showers after midnight. Snow
accumulation up to 1 inch. Total snow accumulation up to
5 inches. Lows 14 to 22. Northeast winds around 15 mph. Chance of
snow 60 percent.
.TUESDAY...Partly cloudy. Highs 35 to 45.
.TUESDAY NIGHT...Clear. Lows 18 to 24.
.WEDNESDAY...Not as cool. Mostly sunny. Highs 45 to 55.
.WEDNESDAY NIGHT...Mostly clear. Lows 22 to 28.
.THURSDAY...Mostly sunny. Highs 40 to 50.
.THURSDAY NIGHT...Mostly clear. Lows 24 to 30.
.FRIDAY...Not as cool. Mostly sunny. Highs 46 to 56.
.FRIDAY NIGHT...Partly cloudy. Lows 25 to 33.
.SATURDAY...Partly cloudy. Highs 46 to 56.

$$

WYZ015-222200-
Wind River Mountains East-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 45 to 55. West winds around 15 mph.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Chance of snow, possibly mixed with rain in the late
evening and early morning. Chance of snow showers, possibly mixed
with rain early in the morning. Lows 26 to 34. Southwest winds
around 15 mph early in the evening becoming southwest around
15 mph after midnight. Chance of precipitation 30 percent.
.MONDAY...Breezy, colder. Snow showers likely, possibly mixed
with rain showers in the morning, then snow showers likely in the
afternoon. Snow accumulation of 1 to 3 inches. Highs 30 to 40.
West winds 15 to 20 mph shifting to the north late in the
afternoon. Chance of precipitation 70 percent.
.MONDAY NIGHT...Colder, cloudy. Snow showers likely in the
evening, then chance of snow showers after midnight. Snow
accumulation of 1 to 2 inches. Total snow accumulation 2 to
5 inches. Lows 13 to 21. Northeast winds around 15 mph. Chance of
snow 60 percent.
.TUESDAY...Partly cloudy. A 20 percent chance of snow showers in
the morning. Highs 33 to 43. Northeast winds around 15 mph in the
morning.
.TUESDAY NIGHT...Clear. Lows 19 to 25.
.WEDNESDAY...Not as cool. Mostly sunny. Highs 44 to 54.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows 21 to 29.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
39 to 49.
.THURSDAY NIGHT...Mostly clear. Lows 24 to 30.
.FRIDAY...Not as cool. Mostly sunny. Highs 45 to 55.
.FRIDAY NIGHT...Partly cloudy. Chance of snow showers and rain
showers in the evening. Lows 24 to 32. Chance of precipitation
30 percent.
.SATURDAY...Partly cloudy. Highs 45 to 55.

$$

WYZ019-222200-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny. Highs 62 to 68. Southwest winds around
15 mph early in the afternoon.
.TONIGHT...Mostly clear until early morning then becoming partly
cloudy. Lows around 36.
.MONDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance
of rain showers. Highs 45 to 51. Southwest winds 15 to 20 mph
shifting to the northwest 20 to 25 mph in the afternoon.
.MONDAY NIGHT...Breezy, colder, cloudy. Chance of snow showers,
possibly mixed with rain showers in the evening, then chance of
snow showers after midnight. Little or no snow accumulation. Lows
20 to 26. Northeast winds 15 to 20 mph. Chance of precipitation
50 percent.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 43 to 49. Northeast winds around 15 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs 60 to 66.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows around 30.
.THURSDAY...Partly cloudy in the morning then clearing. Highs
53 to 59.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Warmer. Mostly sunny. Highs 61 to 67.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 63 to 69.

$$

WYZ024-222200-
Salt River and Wyoming Ranges-
619 AM MDT Sun Apr 22 2018

.TODAY...Mostly sunny until late afternoon then becoming partly
cloudy. Highs 52 to 60.
.TONIGHT...Partly cloudy until early morning then becoming mostly
cloudy. Chance of rain in the late evening and early morning.
Chance of snow after midnight, then rain, possibly mixed with
snow showers early in the morning. Little or no snow
accumulation. Lows 29 to 35. Chance of precipitation 60 percent.
.MONDAY...Breezy, cooler. Mostly cloudy. Snow showers likely,
possibly mixed with rain showers in the morning, then chance of
snow showers, possibly mixed with rain showers in the afternoon.
Snow accumulation up to 1 inch. Highs 37 to 45. West winds 15 to
20 mph. Chance of precipitation 60 percent.
.MONDAY NIGHT...Breezy, colder. Mostly cloudy in the evening then
becoming partly cloudy. A 20 percent chance of snow showers. Lows
21 to 27. Northwest winds 15 to 20 mph in the evening.
.TUESDAY...Partly cloudy. Highs 43 to 51.
.TUESDAY NIGHT...Clear. Lows 21 to 27.
.WEDNESDAY...Not as cool. Mostly sunny. Highs 51 to 59.
.WEDNESDAY NIGHT...Mostly clear. Lows 27 to 33.
.THURSDAY...Mostly sunny. Highs 48 to 56.
.THURSDAY NIGHT...Mostly clear. Lows 27 to 33.
.FRIDAY...Mostly sunny. Highs 55 to 61.
.FRIDAY NIGHT...Partly cloudy. Slight chance of rain showers and
thunderstorms in the evening. Lows 29 to 35. Chance of
precipitation 20 percent.
.SATURDAY...Partly cloudy. A 20 percent chance of rain showers
and thunderstorms in the afternoon. Highs 54 to 62.

$$

WYZ030-222200-
East Sweetwater County-
Including the city of Wamsutter
619 AM MDT Sun Apr 22 2018

.TODAY...Sunny. Highs 63 to 67.
.TONIGHT...Mostly clear until early morning then becoming partly
cloudy. Lows around 37. South winds around 15 mph after midnight.
.MONDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance
of rain showers. Highs around 53. West winds 15 to 25 mph.
.MONDAY NIGHT...Breezy, colder. Mostly cloudy with slight chance
of rain showers and snow showers in the evening, then partly
cloudy after midnight. Lows around 24. Northeast winds 15 to
25 mph. Chance of precipitation 20 percent.
.TUESDAY...Breezy. Partly cloudy. Highs 47 to 51. Northeast winds
15 to 20 mph.
.TUESDAY NIGHT...Breezy, clear. Lows in the mid 20s.
.WEDNESDAY...Warmer. Mostly sunny. Highs in the lower to mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower to mid 30s.
.THURSDAY...Mostly sunny. Highs in the upper 50s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 30s.
.FRIDAY...Mostly sunny. Highs in the mid to upper 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the mid to upper 60s.

$$





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