Zone Forecast Product
Issued by NWS Riverton, WY

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FPUS55 KRIW 182140
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
238 PM MST Sun Feb 18 2018

WYZ020-191100-
Natrona County Lower Elevations-
Including the city of Casper
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. New
snow accumulation around 1 inch. Highs 36 to 41. Northeast winds
15 to 20 mph with gusts to around 35 mph. Chance of snow near
100 percent.
.TONIGHT...Breezy, snow. Patchy blowing snow. Snow accumulation
of 3 to 5 inches. Lows 4 below to zero. Northeast winds 15 to
20 mph. Chance of snow near 100 percent. Wind chill readings
12 below to 22 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Patchy blowing snow.
Snow accumulation of 2 to 3 inches. Highs around 3 above.
Northeast winds around 15 mph. Chance of snow near 100 percent.
Wind chill readings 15 below to 25 below zero.
.MONDAY NIGHT...Colder, cloudy. Snow likely in the evening, then
chance of snow after midnight. Snow accumulation up to 1 inch.
Total snow accumulation 6 to 13 inches. Lows 13 below to 17 below
zero. Northeast winds around 15 mph early in the evening. Chance
of snow 70 percent.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 7 above. Lowest wind chill readings 22 below
to 32 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
10 below to 14 below zero.
.WEDNESDAY...Mostly sunny. Highs around 16. Lowest wind chill
readings 31 below to 41 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 2 below to 2 above zero.
Wind chill readings 15 below to 25 below zero.
.THURSDAY...Not as cold. Mostly sunny. Highs in the 20s. Lowest
wind chill readings 15 below to 25 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 2 to 6.
.FRIDAY...Partly cloudy. Highs in the mid 20s to lower 30s.
.FRIDAY NIGHT...Partly cloudy. Lows 6 to 10.
.SATURDAY...Breezy. Partly cloudy in the morning then clearing.
Highs near 30.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 9 to 13.
.SUNDAY...Breezy. Partly cloudy. Highs in the upper 20s.

$$

WYZ017-191100-
Wind River Basin-
Including the cities of Riverton and Shoshoni
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow early in
the evening. Little or no new snow accumulation. Highs 35 to 39.
Northeast winds 15 to 20 mph with gusts to around 40 mph. Chance
of snow near 100 percent.
.TONIGHT...Breezy, snow. Patchy blowing snow. Snow accumulation
of 2 to 3 inches. Lows 4 below to 1 above zero. Northeast winds
15 to 20 mph. Chance of snow near 100 percent. Wind chill
readings 14 below to 24 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Patchy blowing snow in the
morning. Snow. Snow accumulation around 1 inch. Total snow
accumulation 3 to 4 inches. Highs around 5 above. Northeast winds
around 15 mph. Chance of snow near 100 percent. Wind chill
readings 16 below to 26 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows 13 below to 18 below zero. Northeast winds around 15 mph
early in the evening.
.TUESDAY...Partly cloudy. Highs 4 to 8. Lowest wind chill
readings 20 below to 30 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
11 below to 16 below zero.
.WEDNESDAY...Mostly sunny. Highs 12 to 16. Lowest wind chill
readings 24 below to 34 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 3 below to 8 below zero.
.THURSDAY...Mostly sunny. Highs 19 to 23. Lowest wind chill
readings 18 below to 28 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.FRIDAY...Partly cloudy in the morning then clearing. Highs in
the mid 20s. Lowest wind chill readings 12 below to 22 below zero
in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 2 to 7.
.SATURDAY...Partly cloudy in the morning then clearing. Highs in
the upper 20s. Lowest wind chill readings 13 below to 23 below
zero in the morning.
.SATURDAY NIGHT...Partly cloudy. Lows 7 to 12.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ018-191100-
Lander Foothills-
Including the city of Lander
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. Little or no new snow accumulation.
Highs around 42. Chance of snow 80 percent.
.TONIGHT...Snow. Snow accumulation around 3 inches. Lows 1 to 5.
North winds around 15 mph in the late evening and overnight.
Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation of
1 to 2 inches. Total snow accumulation 4 to 5 inches. Highs
around 6 above. Northeast winds around 15 mph early in the
morning. Chance of snow near 100 percent.
.MONDAY NIGHT...Colder. Cloudy with a 40 percent chance of snow.
Lows 9 below to 14 below zero.
.TUESDAY...Partly cloudy. Highs 7 to 11. Lowest wind chill
readings 12 below to 22 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
9 below to 14 below zero.
.WEDNESDAY...Mostly sunny. Highs around 13. Lowest wind chill
readings 24 below to 34 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy in the evening then clearing.
Lows 3 below to 2 above zero. Lowest wind chill readings 19 below
to 29 below zero after midnight.
.THURSDAY...Not as cold. Mostly sunny. Highs in the lower to mid
20s. Lowest wind chill readings 19 below to 29 below zero in the
morning.
.THURSDAY NIGHT...Partly cloudy. Lows 2 to 7.
.FRIDAY...Partly cloudy. Highs in the mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 6 to 11.
.SATURDAY...Partly cloudy in the morning then clearing. Highs in
the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 9 to 14.
.SUNDAY...Partly cloudy. Highs around 30.

$$

WYZ028-191100-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. Little
or no new snow accumulation. Highs 43 to 48. West winds 15 to
20 mph with gusts to around 35 mph. Chance of snow 80 percent.
.TONIGHT...Snow. Snow accumulation of 2 to 3 inches. Lows 8 to
12. Northwest winds around 15 mph early in the evening becoming
northwest around 15 mph early in the morning. Chance of snow
90 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation of
1 to 2 inches. Total snow accumulation 3 to 5 inches. Highs 13 to
17. North winds around 15 mph. Chance of snow 80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 5 below to 9 below zero. Northeast winds around 15 mph
in the evening.
.TUESDAY...Mostly cloudy. Highs around 14. West winds around
15 mph in the afternoon. Lowest wind chill readings 13 below to
23 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
8 below to 12 below zero. West winds around 15 mph in the
evening.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 16. Lowest wind chill readings 19 below to
29 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 1 below to 6 below zero.
.THURSDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower to mid 20s. Lowest wind chill readings
12 below to 22 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a 20 percent chance of snow after midnight. Lows 5 to
9.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs near 30.
.FRIDAY NIGHT...Partly cloudy. Lows 7 to 11.
.SATURDAY...Partly cloudy. Highs near 30.
.SATURDAY NIGHT...Mostly cloudy. Lows around 12.
.SUNDAY...Breezy. Partly cloudy with a 20 percent chance of snow.
Highs around 30.

$$

WYZ013-191100-
Jackson Hole-
Including the city of Jackson
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Breezy. Snow likely. Little or no new snow
accumulation. Highs 28 to 32. Southwest winds 15 to 20 mph.
Chance of snow 60 percent.
.TONIGHT...Cloudy. Snow likely until early morning, then chance
of snow early in the morning. Snow accumulation up to 1 inch.
Lows 3 to 8. Southwest winds around 15 mph early in the evening.
Chance of snow 70 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy with a 50 percent
chance of snow. Little or no snow accumulation. Highs 14 to 18.
.MONDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
snow. Lows 8 below to 13 below zero.
.TUESDAY...Mostly cloudy. Highs 9 to 13. Lowest wind chill
readings 14 below to 24 below zero in the morning.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 8 below to 13 below zero.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow.
Highs around 13. Lowest wind chill readings 21 below to 31 below
zero in the morning.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 2 below to 3 above zero.
Wind chill readings 12 below to 22 below zero.
.THURSDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 19 to 23. Lowest wind chill readings 14 below to
24 below zero in the morning.
.THURSDAY NIGHT...Cloudy with a 20 percent chance of snow. Lows
3 to 8.
.FRIDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs in the 20s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 7 to 12.
.SATURDAY...Cloudy with a 40 percent chance of snow. Highs in the
20s.
.SATURDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
11 to 16.
.SUNDAY...Cloudy with a 30 percent chance of snow. Highs in the
20s.

$$

WYZ003-191100-
Cody Foothills-
Including the cities of Cody and Meeteetse
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Areas of blowing snow.
Little or no new snow accumulation. Highs 24 to 29. North winds
15 to 20 mph with gusts to around 40 mph. Chance of snow
80 percent.
.TONIGHT...Breezy, snow. Areas of blowing snow. Snow accumulation
around 1 inch. Lows 8 below to 13 below zero. North winds 15 to
20 mph. Chance of snow 90 percent. Wind chill readings 22 below
to 32 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Patchy blowing snow in the
morning. Snow until late afternoon, then chance of snow late in
the afternoon. Little or no snow accumulation. Highs 3 below to
1 above zero. North winds around 15 mph. Chance of snow
90 percent. Lowest wind chill readings 25 below to 35 below zero
in the morning.
.MONDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
snow. Lows 16 below to 21 below zero.
.TUESDAY...Partly cloudy. Highs 2 to 6. Lowest wind chill
readings 26 below to 36 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
8 below to 12 below zero.
.WEDNESDAY...Not as cold. Partly cloudy. Highs 12 to 16. Lowest
wind chill readings 21 below to 31 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 1 below to 3 above zero.
Wind chill readings 11 below to 21 below zero.
.THURSDAY...Partly cloudy. Highs around 20. Lowest wind chill
readings 10 below to 20 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows zero to 4 above.
.FRIDAY...Partly cloudy. Highs in the lower 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 2 to 6.
.SATURDAY...Partly cloudy. Highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 10 to 14.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow. Highs
near 30.

$$

WYZ004-191100-
North Big Horn Basin-
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Areas of blowing snow.
Little or no new snow accumulation. Highs 25 to 30. Northwest
winds 15 to 20 mph with gusts to around 45 mph. Chance of snow
90 percent.
.TONIGHT...Breezy, snow. Areas of blowing snow. Snow accumulation
of 1 to 2 inches. Lows 5 below to 9 below zero. Northwest winds
15 to 20 mph. Chance of snow 90 percent. Wind chill readings
20 below to 30 below zero.
.WASHINGTONS BIRTHDAY...Breezy. Much colder. Cloudy. Patchy
blowing snow in the morning. Snow likely until late afternoon,
then chance of snow late in the afternoon. Little or no snow
accumulation. Highs 1 to 5. Northwest winds 15 to 20 mph. Chance
of snow 70 percent. Lowest wind chill readings 23 below to
33 below zero in the morning.
.MONDAY NIGHT...Colder. Mostly cloudy. A 20 percent chance of
snow until early morning. Lows 16 below to 21 below zero.
Northwest winds around 15 mph early in the evening.
.TUESDAY...Partly cloudy. Highs 4 to 8. Lowest wind chill
readings 25 below to 35 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
11 below to 16 below zero.
.WEDNESDAY...Partly cloudy. Highs around 13. Lowest wind chill
readings 24 below to 34 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 3 below to 8 below zero.
Wind chill readings 23 below to 33 below zero.
.THURSDAY...Partly cloudy. Highs around 19. Lowest wind chill
readings 21 below to 31 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 4 below to 1 above zero.
.FRIDAY...Partly cloudy. Highs in the lower to mid 20s. Lowest
wind chill readings 13 below to 23 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.SATURDAY...Partly cloudy. Highs in the mid 20s. Lowest wind
chill readings 11 below to 21 below zero in the morning.
.SATURDAY NIGHT...Partly cloudy. Lows 5 to 10.
.SUNDAY...Mostly cloudy. Highs in the upper 20s.

$$

WYZ006-191100-
Southeast Big Horn Basin-
Including the city of Worland
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. New snow accumulation up to 1 inch.
Highs 30 to 35. Northwest winds around 15 mph. Chance of snow
near 100 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation around 2 inches. Lows 4 below to 8 below zero.
Northwest winds around 15 mph. Chance of snow 90 percent. Lowest
wind chill readings 16 below to 26 below zero after midnight.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation up
to 1 inch. Total snow accumulation 3 to 6 inches. Highs around
3 above. Northwest winds around 15 mph until late afternoon.
Chance of snow 90 percent. Lowest wind chill readings 17 below to
27 below zero in the morning.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows 18 below to 23 below zero.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 3 above. Lowest wind chill readings 28 below
to 38 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
15 below to 20 below zero.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 13. Lowest wind chill readings 27 below to
37 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 7 below to 12 below zero.
Wind chill readings 22 below to 32 below zero.
.THURSDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 20. Lowest wind chill readings 22 below to
32 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 1 below to 6 below zero.
.FRIDAY...Partly cloudy. Highs in the mid 20s. Lowest wind chill
readings 11 below to 21 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.SATURDAY...Partly cloudy. Highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 3 to 8.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ005-191100-
Southwest Big Horn Basin-
Including the city of Thermopolis
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. Little or no new snow accumulation.
Highs 31 to 36. North winds around 15 mph with gusts to around
30 mph. Chance of snow 90 percent.
.TONIGHT...Patchy blowing snow in the evening. Patchy blowing
snow after midnight. Snow. Snow accumulation of 1 to 2 inches.
Lows 1 below to 5 below zero. Northwest winds around 15 mph.
Chance of snow near 100 percent. Wind chill readings 12 below to
22 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation up
to 1 inch. Total snow accumulation 1 to 3 inches. Highs around
3 above. North winds around 15 mph. Chance of snow near
100 percent. Wind chill readings 15 below to 25 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows 13 below to 18 below zero.
.TUESDAY...Partly cloudy. Highs around 3 above. Lowest wind chill
readings 21 below to 31 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
13 below to 18 below zero.
.WEDNESDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs around 14. Lowest wind chill
readings 25 below to 35 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 1 below to 6 below zero.
.THURSDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower 20s. Lowest wind chill readings
14 below to 24 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 1 below to 3 above zero.
.FRIDAY...Partly cloudy. Highs in the mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 2 to 6.
.SATURDAY...Partly cloudy. Highs in the upper 20s.
.SATURDAY NIGHT...Partly cloudy. Lows 8 to 12.
.SUNDAY...Partly cloudy. Highs in the upper 20s.

$$

WYZ023-191100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Snow likely. Little or no new snow
accumulation. Highs around 33. Southwest winds around 15 mph.
Chance of snow 60 percent.
.TONIGHT...Cloudy. Snow likely. Snow accumulation around 1 inch.
Lows 6 to 10. Chance of snow 60 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy with a 50 percent
chance of snow. Little or no snow accumulation. Highs around 19.
.MONDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of
snow. Lows 4 below to 8 below zero.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs
around 14. Lowest wind chill readings 10 below to 20 below zero
in the morning.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 10 below to 14 below zero.
.WEDNESDAY...Mostly cloudy. Highs around 13. Lowest wind chill
readings 19 below to 29 below zero in the morning.
.WEDNESDAY NIGHT...Not as cold. Mostly cloudy in the evening then
becoming partly cloudy. Lows 1 to 6.
.THURSDAY...Not as cold. Mostly cloudy. A 20 percent chance of
snow in the afternoon. Highs in the mid 20s.
.THURSDAY NIGHT...Cloudy. A 20 percent chance of snow in the
evening. Lows 7 to 11.
.FRIDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs in the upper 20s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 10 to 14.
.SATURDAY...Cloudy with a 30 percent chance of snow. Highs in the
upper 20s.
.SATURDAY NIGHT...Cloudy with a 30 percent chance of snow. Lows
around 18.
.SUNDAY...Cloudy with a 30 percent chance of snow. Highs in the
upper 20s.

$$

WYZ025-191100-
Upper Green River Basin Foothills-
Including the city of Pinedale
238 PM MST Sun Feb 18 2018

.LATE THIS AFTERNOON...Snow. Little or no new snow accumulation.
Highs 30 to 34. Chance of snow 80 percent.
.TONIGHT...Snow likely until early morning, then chance of snow
early in the morning. Snow accumulation around 1 inch. Lows 1 to
5. Chance of snow 60 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy with a 40 percent
chance of snow. Highs around 16. Northwest winds around 15 mph in
the late morning and afternoon.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 11 below to 16 below zero.
.TUESDAY...Mostly cloudy. Highs around 11. Lowest wind chill
readings 16 below to 26 below zero in the morning.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 17 below to 22 below zero.
.WEDNESDAY...Partly cloudy. Highs around 11. Lowest wind chill
readings 26 below to 36 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 7 below to 12 below zero.
.THURSDAY...Partly cloudy. Highs around 18. Lowest wind chill
readings 19 below to 29 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy. Lows 4 below to zero.
.FRIDAY...Partly cloudy. Highs in the mid 20s. Lowest wind chill
readings 10 below to 20 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows zero to 4 above.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs
in the mid 20s.
.SATURDAY NIGHT...Mostly cloudy. Lows 5 to 9.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow. Highs
in the mid 20s.

$$

WYZ026-191100-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
238 PM MST Sun Feb 18 2018

.LATE THIS AFTERNOON...Snow. Little or no new snow accumulation.
Highs 35 to 40. West winds around 15 mph with gusts to around
30 mph. Chance of snow 90 percent.
.TONIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows 3 to 7.
Northwest winds around 15 mph early in the evening. Chance of
snow 90 percent.
.WASHINGTONS BIRTHDAY...Colder, snow. Snow accumulation around
1 inch. Total snow accumulation 2 to 3 inches. Highs 14 to 18.
North winds around 15 mph in the afternoon. Chance of snow
90 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 9 below to 13 below zero. East winds around 15 mph in
the evening.
.TUESDAY...Mostly cloudy. Highs 11 to 15. Lowest wind chill
readings 15 below to 25 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
15 below to 20 below zero.
.WEDNESDAY...Partly cloudy. Highs 13 to 17. Lowest wind chill
readings 27 below to 37 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 6 below to 10 below zero.
.THURSDAY...Partly cloudy. Highs 19 to 23. Lowest wind chill
readings 18 below to 28 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy. Lows 2 below to 2 above zero.
.FRIDAY...Partly cloudy. Highs in the mid 20s to lower 30s.
Lowest wind chill readings 10 below to 20 below zero in the
morning.
.FRIDAY NIGHT...Partly cloudy. Lows 1 to 5.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs near 30.
.SATURDAY NIGHT...Mostly cloudy. Lows 6 to 11.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the mid 20s to lower 30s.

$$

WYZ010-191100-
Northeast Johnson County-
Including the city of Buffalo
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. New snow accumulation around 1 inch.
Highs 26 to 30. North winds around 15 mph. Chance of snow near
100 percent.
.TONIGHT...Snow. Patchy blowing snow early in the evening. Snow
accumulation of 2 to 3 inches. Lows around 6 below. North winds
around 15 mph early in the evening. Chance of snow near
100 percent. Wind chill readings 12 below to 22 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Patchy blowing snow
late in the morning. Snow accumulation around 1 inch. Total snow
accumulation 5 to 7 inches. Highs 2 to 6. North winds around
15 mph in the late morning and afternoon. Chance of snow near
100 percent. Wind chill readings 16 below to 26 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows around 18 below.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 3 to 7. Lowest wind chill readings 25 below to
35 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 13 below. Wind chill readings 20 below to 30 below zero.
.WEDNESDAY...Not as cold. Mostly sunny. Highs around 16. Lowest
wind chill readings 24 below to 34 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 3 below.
.THURSDAY...Mostly sunny. Highs in the lower 20s. Lowest wind
chill readings 12 below to 22 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 2 below to 2 above zero.
.FRIDAY...Partly cloudy. Highs in the mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 1 to 5.
.SATURDAY...Partly cloudy. Highs around 30.
.SATURDAY NIGHT...Partly cloudy. Lows around 8.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 30.

$$

WYZ011-191100-
Southeast Johnson County-
Including the city of Kaycee
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 8 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. Patchy blowing snow. New snow
accumulation around 1 inch. Highs 31 to 35. North winds around
15 mph with gusts to around 30 mph. Chance of snow near
100 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation around 3 inches. Lows around 5 below. North winds
around 15 mph until early morning. Chance of snow near
100 percent. Wind chill readings 14 below to 24 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Patchy blowing snow.
Snow accumulation of 1 to 2 inches. Total snow accumulation 6 to
8 inches. Highs around 3 above. North winds around 15 mph. Chance
of snow near 100 percent. Wind chill readings 15 below to
25 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows around 18 below. Wind chill readings 26 below to 36 below
zero.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs around 6 above. Lowest wind chill readings 24 below
to 34 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
12 below to 16 below zero. Wind chill readings 22 below to
32 below zero.
.WEDNESDAY...Not as cold. Mostly sunny. Highs around 17. Lowest
wind chill readings 26 below to 36 below zero in the morning.
.WEDNESDAY NIGHT...Not as cold. Partly cloudy. Lows near zero.
Wind chill readings 10 below to 20 below zero.
.THURSDAY...Mostly sunny. Highs in the mid 20s. Lowest wind chill
readings 11 below to 21 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows around 3.
.FRIDAY...Partly cloudy. Highs in the upper 20s.
.FRIDAY NIGHT...Partly cloudy. Lows around 6.
.SATURDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs in the lower 30s.
.SATURDAY NIGHT...Partly cloudy. Lows around 10.
.SUNDAY...Partly cloudy. Highs around 30.

$$

WYZ027-191100-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 8 AM MST MONDAY...

.LATE THIS AFTERNOON...Breezy. Patchy blowing snow early in the
evening. Snow. New snow accumulation up to 1 inch. Highs 36 to
40. Northwest winds 15 to 20 mph. Chance of snow 90 percent.
.TONIGHT...Snow. Snow accumulation around 2 inches. Lows around
9 above. Northwest winds around 15 mph early in the evening
becoming northwest around 15 mph after midnight. Chance of snow
90 percent.
.WASHINGTONS BIRTHDAY...Colder. Snow until late afternoon, then
chance of snow late in the afternoon. Snow accumulation around
1 inch. Total snow accumulation 4 to 7 inches. Highs around 18.
Northwest winds around 15 mph. Chance of snow 80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows around 5 below. Northwest winds around 15 mph early in
the evening.
.TUESDAY...Mostly cloudy. Highs around 13. West winds around
15 mph in the afternoon. Lowest wind chill readings 11 below to
21 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy. Lows around 10 below. West winds
around 15 mph in the evening.
.WEDNESDAY...Partly cloudy. Highs around 17. Lowest wind chill
readings 17 below to 27 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 2 below to 6 below zero.
.THURSDAY...Partly cloudy. Highs in the lower 20s. Lowest wind
chill readings 11 below to 21 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy. Lows around 6.
.FRIDAY...Partly cloudy. Highs in the upper 20s.
.FRIDAY NIGHT...Partly cloudy. Lows around 8.
.SATURDAY...Mostly cloudy. Highs in the upper 20s.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows around 13.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow. Highs in the upper 20s.

$$

WYZ016-191100-
Upper Wind River Basin-
Including the city of Dubois
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow likely. Little or no new snow
accumulation. Highs 31 to 36. West winds around 15 mph. Chance of
snow 60 percent.
.TONIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows zero to
4 above zero. Southeast winds around 15 mph in the late evening
and early morning. Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow until late afternoon,
then chance of snow late in the afternoon. Snow accumulation up
to 1 inch. Total snow accumulation 1 to 3 inches. Highs 6 to 10.
Southeast winds around 15 mph in the late morning and afternoon.
Chance of snow 90 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 7 below to 11 below zero.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 7 to 11. Lowest wind chill readings 14 below to
24 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
7 below to 11 below zero.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs around 13. Lowest wind chill readings 26 below to
36 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 3 below to 1 above zero.
Wind chill readings 15 below to 25 below zero.
.THURSDAY...Partly cloudy. Highs in the lower 20s. Lowest wind
chill readings 17 below to 27 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 2 to 6.
.FRIDAY...Partly cloudy. Highs in the mid 20s.
.FRIDAY NIGHT...Partly cloudy. Lows 6 to 10.
.SATURDAY...Partly cloudy. Highs near 30.
.SATURDAY NIGHT...Partly cloudy. Lows 11 to 15.
.SUNDAY...Partly cloudy with a 20 percent chance of snow. Highs
near 30.

$$

WYZ001-191100-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Snow. Patchy blowing snow. New snow
accumulation up to 1 inch. Highs 21 to 27. Southwest winds around
15 mph with gusts to around 30 mph. Chance of snow 90 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation of 1 to 2 inches. Lows 1 below to 9 below zero.
Southwest winds around 15 mph in the evening. Chance of snow
90 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy. Snow likely in the
morning, then chance of snow in the afternoon. Snow accumulation
up to 1 inch. Total snow accumulation 2 to 6 inches. Highs 5 to
11. Chance of snow 60 percent. Lowest wind chill readings
14 below to 24 below zero in the morning.
.MONDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of
snow. Lows 14 below to 22 below zero.
.TUESDAY...Mostly cloudy. Highs 3 to 9. Lowest wind chill
readings 22 below to 32 below zero in the morning.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 10 below to 16 below zero.
.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow.
Highs 6 to 12. Wind chill readings 27 below to 37 below zero.
.WEDNESDAY NIGHT...Mostly cloudy. Lows 1 below to 7 below zero.
Wind chill readings 19 below to 29 below zero.
.THURSDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 13 to 19. Lowest wind chill readings 20 below to
30 below zero in the morning.
.THURSDAY NIGHT...Cloudy with a 20 percent chance of snow. Lows
4 below to 2 above zero. Wind chill readings 13 below to 23 below
zero.
.FRIDAY...Mostly cloudy. A 20 percent chance of snow in the
afternoon. Highs 16 to 22. Lowest wind chill readings 14 below to
24 below zero in the morning.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows zero to 6 above. Wind chill readings 10 below to 20 below
zero.
.SATURDAY...Cloudy with a 30 percent chance of snow. Highs 16 to
22.
.SATURDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
3 to 9.
.SUNDAY...Cloudy with a 30 percent chance of snow. Highs 17 to
23.

$$

WYZ029-191100-
Flaming Gorge-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow early in
the evening. Little or no new snow accumulation. Highs 45 to 50.
West winds 15 to 25 mph. Chance of snow 80 percent.
.TONIGHT...Breezy, snow. Snow accumulation of 3 to 4 inches. Lows
11 to 15. Northwest winds 15 to 20 mph in the evening becoming
northwest around 15 mph early in the morning. Chance of snow
90 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation of
2 to 3 inches. Total snow accumulation 5 to 7 inches. Highs 14 to
18. North winds around 15 mph. Chance of snow near 100 percent.
.MONDAY NIGHT...Colder. Cloudy with a 40 percent chance of snow.
Lows 2 below to 6 below zero. Northeast winds around 15 mph in
the evening.
.TUESDAY...Mostly cloudy. Highs 13 to 17. Lowest wind chill
readings 12 below to 22 below zero early in the morning.
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Lows
4 below to 9 below zero. West winds around 15 mph in the evening.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 14 to 18. Lowest wind chill readings 15 below to
25 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
.THURSDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs 24 to 29. Lowest wind chill
readings 11 below to 21 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a 20 percent chance of snow after midnight. Lows 8 to
12.
.FRIDAY...Partly cloudy. Highs in the lower to mid 30s.
.FRIDAY NIGHT...Partly cloudy. Lows 9 to 13.
.SATURDAY...Partly cloudy. Highs 31 to 36.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow.
Lows 12 to 16.
.SUNDAY...Breezy. Partly cloudy with a 30 percent chance of snow.
Highs near 30.

$$

WYZ022-191100-
Casper Mountain-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Patchy blowing snow early in the evening.
Snow. Snow may be heavy at times early in the evening. New snow
accumulation around 1 inch. Highs 34 to 40. Northwest winds
around 15 mph with gusts to around 30 mph. Chance of snow near
100 percent.
.TONIGHT...Snow. Snow may be heavy at times in the evening. Snow
accumulation of 6 to 7 inches. Lows around 2 above. Northeast
winds around 15 mph. Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Patchy blowing snow.
Snow accumulation of 4 to 5 inches. Highs around 5 above.
Northeast winds around 15 mph. Chance of snow near 100 percent.
.MONDAY NIGHT...Colder, snow. Snow accumulation around 1 inch.
Total snow accumulation 12 to 17 inches. Lows around 10 below.
Northeast winds around 15 mph early in the evening. Chance of
snow 80 percent.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow in the
morning, then partly cloudy in the afternoon. Highs around
7 above. Lowest wind chill readings 16 below to 26 below zero
early in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
around 7 below. Wind chill readings 18 below to 28 below zero.
.WEDNESDAY...Breezy. Mostly sunny. Highs 9 to 15. Lowest wind
chill readings 21 below to 31 below zero in the morning.
.WEDNESDAY NIGHT...Breezy. Partly cloudy in the evening then
clearing. Lows 1 below to 5 above zero. Wind chill readings
10 below to 20 below zero.
.THURSDAY...Not as cold. Mostly sunny. Highs 20 to 26. Lowest
wind chill readings 10 below to 20 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows around 7.
.FRIDAY...Partly cloudy. Highs 24 to 30.
.FRIDAY NIGHT...Partly cloudy. Lows around 10.
.SATURDAY...Breezy. Partly cloudy. Highs 24 to 30.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 9 to 15.
.SUNDAY...Breezy. Partly cloudy in the morning then becoming
mostly cloudy. Highs 22 to 28.

$$

WYZ002-191100-
Absaroka Mountains-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Snow. Patchy blowing snow. New snow
accumulation up to 1 inch. Highs 21 to 27. Southwest winds around
15 mph with gusts to around 30 mph. Chance of snow 90 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation of 1 to 2 inches. Lows 2 below to 8 below zero.
Southwest winds around 15 mph early in the evening. Chance of
snow 90 percent.
.WASHINGTONS BIRTHDAY...Colder, snow. Snow accumulation around
1 inch. Total snow accumulation 3 to 6 inches. Highs zero to
6 above zero. Chance of snow 90 percent. Wind chill readings
13 below to 23 below zero.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 10 below to 16 below zero.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 1 to 7. Lowest wind
chill readings 23 below to 33 below zero in the morning.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. A 20 percent chance of snow. Lows 8 below to
14 below zero. West winds around 15 mph. Wind chill readings
24 below to 34 below zero.
.WEDNESDAY...Partly cloudy with a 20 percent chance of snow.
Highs 3 to 11. Lowest wind chill readings 33 below to 43 below
zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 6 below to 2 above zero.
Wind chill readings 26 below to 36 below zero.
.THURSDAY...Not as cold. Partly cloudy in the morning then
becoming mostly cloudy. Highs 10 to 18. Lowest wind chill
readings 25 below to 35 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy. Lows 1 below to 5 above zero.
Wind chill readings 18 below to 28 below zero.
.FRIDAY...Partly cloudy with a 20 percent chance of snow. Highs
13 to 21. Wind chill readings 17 below to 27 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 1 to 7. Wind chill readings 19 below to 29 below zero.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs
14 to 24. Wind chill readings 19 below to 29 below zero.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 to 11. Wind chill readings 15 below to 25 below zero.
.SUNDAY...Breezy. Mostly cloudy with a 30 percent chance of snow.
Highs 15 to 23. Wind chill readings 15 below to 25 below zero.

$$

WYZ007-191100-
Owl Creek and Bridger Mountains-
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. New snow accumulation up to
1 inch. Highs 28 to 34. Northeast winds 15 to 20 mph with gusts
to around 40 mph. Chance of snow near 100 percent.
.TONIGHT...Snow. Patchy blowing snow. Snow accumulation of 1 to
3 inches. Lows 4 below to 2 above zero. North winds around
15 mph. Chance of snow near 100 percent. Wind chill readings
11 below to 21 below zero.
.WASHINGTONS BIRTHDAY...Much colder. Patchy blowing snow in the
morning. Snow. Snow accumulation around 1 inch. Total snow
accumulation 3 to 7 inches. Highs zero to 6 above zero. North
winds around 15 mph. Chance of snow near 100 percent. Wind chill
readings 13 below to 23 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 30 percent chance of snow.
Lows 7 below to 13 below zero. North winds around 15 mph early in
the evening.
.TUESDAY...Partly cloudy. Highs 1 to 7. Lowest wind chill
readings 15 below to 25 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
5 below to 11 below zero.
.WEDNESDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs 10 to 16. Lowest wind chill
readings 19 below to 29 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 1. Wind chill
readings 10 below to 20 below zero.
.THURSDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 16 to 22. Lowest wind chill readings 10 below to
20 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows around 5.
.FRIDAY...Partly cloudy. Highs 20 to 26.
.FRIDAY NIGHT...Partly cloudy. Lows around 7.
.SATURDAY...Partly cloudy. Highs 23 to 29.
.SATURDAY NIGHT...Partly cloudy. Lows around 12.
.SUNDAY...Partly cloudy. Highs 23 to 29.

$$

WYZ008-191100-
Bighorn Mountains West-
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. New snow accumulation around 1 inch.
Highs 20 to 30. Chance of snow near 100 percent.
.TONIGHT...Snow. Snow accumulation of 2 to 3 inches. Lows 1 below
to 7 below zero. Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Colder, snow. Snow accumulation around
1 inch. Total snow accumulation 5 to 7 inches. Highs zero to
6 above zero. Chance of snow near 100 percent. Wind chill
readings 12 below to 22 below zero.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 11 below to 17 below zero.
.TUESDAY...Partly cloudy. Highs zero to 6 above zero. Lowest wind
chill readings 22 below to 32 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
6 below to 12 below zero.
.WEDNESDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs 7 to 15. Lowest wind chill readings
31 below to 41 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 4 below to 2 above zero.
Wind chill readings 25 below to 35 below zero.
.THURSDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 13 to 21. Lowest wind chill readings 24 below to
34 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows zero to 6 above. Wind chill
readings 18 below to 28 below zero.
.FRIDAY...Partly cloudy. Highs 17 to 25. Wind chill readings
18 below to 28 below zero.
.FRIDAY NIGHT...Partly cloudy. Lows 2 to 8. Wind chill readings
16 below to 26 below zero.
.SATURDAY...Partly cloudy. Highs 18 to 26. Wind chill readings
17 below to 27 below zero.
.SATURDAY NIGHT...Partly cloudy. Lows 4 to 12. Wind chill
readings 17 below to 27 below zero.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow. Highs 17 to 25. Lowest wind
chill readings 16 below to 26 below zero in the morning.

$$

WYZ009-191100-
Bighorn Mountains Southeast-
238 PM MST Sun Feb 18 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. New snow accumulation around 1 inch.
Highs 22 to 32. East winds around 15 mph with gusts to around
30 mph. Chance of snow near 100 percent.
.TONIGHT...Snow. Snow accumulation of 2 to 3 inches. Lows 3 below
to 9 below zero. Northeast winds around 15 mph in the evening.
Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Much colder. Snow. Snow accumulation of
1 to 2 inches. Total snow accumulation 5 to 9 inches. Highs
1 below to 5 above zero. Chance of snow near 100 percent. Wind
chill readings 14 below to 24 below zero.
.MONDAY NIGHT...Colder. Cloudy with a 40 percent chance of snow.
Lows 12 below to 18 below zero.
.TUESDAY...Partly cloudy. Highs 1 to 7. Lowest wind chill
readings 25 below to 35 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
6 below to 12 below zero.
.WEDNESDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs 9 to 15. Lowest wind chill readings
31 below to 41 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 4 below to 2 above zero.
Wind chill readings 26 below to 36 below zero.
.THURSDAY...Mostly sunny. Highs 14 to 22. Lowest wind chill
readings 25 below to 35 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows zero to 6 above. Wind chill
readings 18 below to 28 below zero.
.FRIDAY...Partly cloudy. Highs 18 to 26. Lowest wind chill
readings 18 below to 28 below zero in the morning.
.FRIDAY NIGHT...Partly cloudy. Lows 3 to 9. Wind chill readings
16 below to 26 below zero.
.SATURDAY...Partly cloudy. Highs 19 to 27. Wind chill readings
16 below to 26 below zero.
.SATURDAY NIGHT...Partly cloudy. Lows 6 to 12. Wind chill
readings 16 below to 26 below zero.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow. Highs 18 to 26. Lowest wind
chill readings 16 below to 26 below zero in the morning.

$$

WYZ012-191100-
Teton and Gros Ventre Mountains-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. New
snow accumulation up to 1 inch. Highs 22 to 28. Southwest winds
15 to 20 mph with gusts to around 35 mph. Chance of snow
80 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation of 1 to 2 inches. Lows zero to 6 above zero.
Southwest winds around 15 mph until early morning. Chance of snow
80 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy with snow. Snow
accumulation up to 1 inch. Total snow accumulation 2 to 8 inches.
Highs 7 to 15. Chance of snow 80 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 6 below to 12 below zero.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow. Highs
2 to 10. Lowest wind chill readings 15 below to 25 below zero in
the morning.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 7 below to 13 below zero.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of snow.
Highs 5 to 11. Lowest wind chill readings 29 below to 39 below
zero in the morning.
.WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of
snow. Lows 6 below to 2 above zero. Wind chill readings 22 below
to 32 below zero.
.THURSDAY...Not as cold. Mostly cloudy. A 20 percent chance of
snow in the afternoon. Highs 11 to 19. Lowest wind chill readings
21 below to 31 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 2 below to 6 above zero. Wind chill readings 14 below to
24 below zero.
.FRIDAY...Mostly cloudy with a 20 percent chance of snow. Highs
15 to 23. Wind chill readings 13 below to 23 below zero.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 to 9. Wind chill readings 12 below to 22 below zero.
.SATURDAY...Cloudy with a 40 percent chance of snow. Highs 15 to
23. Wind chill readings 12 below to 22 below zero.
.SATURDAY NIGHT...Cloudy with a 40 percent chance of snow. Lows
6 to 12.
.SUNDAY...Cloudy with a 30 percent chance of snow. Highs 17 to
23.

$$

WYZ014-191100-
Wind River Mountains West-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. New
snow accumulation up to 1 inch. Highs 22 to 30. West winds 15 to
20 mph with gusts to around 35 mph. Chance of snow near
100 percent.
.TONIGHT...Snow. Snow accumulation of 1 to 3 inches. Lows 2 below
to 4 above zero. West winds around 15 mph early in the evening.
Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Colder, snow. Snow accumulation of 1 to
2 inches. Highs 5 to 13. Northwest winds around 15 mph in the
afternoon. Chance of snow near 100 percent.
.MONDAY NIGHT...Colder. Mostly cloudy. Snow likely in the
evening, then chance of snow after midnight. Snow accumulation
around 1 inch. Total snow accumulation 4 to 11 inches. Lows
8 below to 14 below zero. Chance of snow 60 percent.
.TUESDAY...Mostly cloudy with a 30 percent chance of snow. Highs
zero to 10 above zero. West winds around 15 mph in the afternoon.
Lowest wind chill readings 20 below to 30 below zero in the
morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
10 below to 16 below zero.
.WEDNESDAY...Partly cloudy. Highs 1 to 11. Lowest wind chill
readings 35 below to 45 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 1 below to 9 below zero.
Wind chill readings 29 below to 39 below zero.
.THURSDAY...Not as cold. Partly cloudy. Highs 7 to 17. Lowest
wind chill readings 29 below to 39 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy. Lows 3 below to 3 above zero.
Wind chill readings 20 below to 30 below zero.
.FRIDAY...Not as cold. Partly cloudy with a 20 percent chance of
snow. Highs 13 to 23. Wind chill readings 20 below to 30 below
zero.
.FRIDAY NIGHT...Partly cloudy. Lows zero to 6 above. Wind chill
readings 18 below to 28 below zero.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. A 30 percent chance of snow. Highs 14 to 24. Wind chill
readings 18 below to 28 below zero.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 to 11. Wind chill readings 16 below to 26 below zero.
.SUNDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow. Highs 15 to 23. Wind
chill readings 16 below to 26 below zero.

$$

WYZ015-191100-
Wind River Mountains East-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 2 PM MST MONDAY...

.LATE THIS AFTERNOON...Snow. Patchy blowing snow. New snow
accumulation up to 1 inch. Highs 21 to 31. West winds around
15 mph with gusts to around 35 mph. Chance of snow near
100 percent.
.TONIGHT...Patchy blowing snow early in the evening. Snow. Snow
accumulation of 2 to 3 inches. Lows 4 below to 2 above zero. West
winds around 15 mph early in the evening. Chance of snow near
100 percent.
.WASHINGTONS BIRTHDAY...Colder, snow. Snow accumulation of 1 to
2 inches. Highs 2 to 8. Chance of snow near 100 percent. Wind
chill readings 10 below to 20 below zero.
.MONDAY NIGHT...Colder. Mostly cloudy. Snow likely in the
evening, then chance of snow after midnight. Snow accumulation
around 1 inch. Total snow accumulation 5 to 10 inches. Lows
7 below to 13 below zero. West winds around 15 mph early in the
morning. Chance of snow 60 percent. Wind chill readings 23 below
to 33 below zero.
.TUESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 30 percent chance of snow. Highs 1 below to 7 above
zero. West winds around 15 mph. Lowest wind chill readings
23 below to 33 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
8 below to 14 below zero. West winds around 15 mph. Wind chill
readings 26 below to 36 below zero.
.WEDNESDAY...Partly cloudy. Highs 1 to 9. Lowest wind chill
readings 37 below to 47 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 8 below to 2 above zero.
Wind chill readings 30 below to 40 below zero.
.THURSDAY...Not as cold. Partly cloudy. Highs 7 to 17. Lowest
wind chill readings 31 below to 41 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 2 below to 6 above zero. Wind chill readings
24 below to 34 below zero.
.FRIDAY...Not as cold. Partly cloudy with a 30 percent chance of
snow. Highs 13 to 23. Wind chill readings 24 below to 34 below
zero.
.FRIDAY NIGHT...Partly cloudy. Lows zero to 8 above. Wind chill
readings 20 below to 30 below zero.
.SATURDAY...Breezy. Partly cloudy with a 30 percent chance of
snow. Highs 14 to 24. Wind chill readings 20 below to 30 below
zero.
.SATURDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. A 30 percent chance of snow. Lows 3 to
13. Wind chill readings 18 below to 28 below zero.
.SUNDAY...Breezy. Partly cloudy with a 30 percent chance of snow.
Highs 14 to 24. Wind chill readings 18 below to 28 below zero.

$$

WYZ019-191100-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. New
snow accumulation around 1 inch. Highs 36 to 42. West winds 15 to
20 mph with gusts to around 35 mph. Chance of snow near
100 percent.
.TONIGHT...Snow. Patchy blowing snow early in the morning. Snow
accumulation of 3 to 4 inches. Lows 3 below to 3 above zero.
North winds around 15 mph. Chance of snow near 100 percent. Wind
chill readings 11 below to 21 below zero.
.WASHINGTONS BIRTHDAY...Breezy. Much colder. Snow. Areas of
blowing snow. Snow accumulation of 2 to 3 inches. Highs 3 to 9.
Northeast winds 15 to 20 mph. Chance of snow near 100 percent.
Wind chill readings 13 below to 23 below zero.
.MONDAY NIGHT...Colder, cloudy. Snow likely in the evening, then
chance of snow after midnight. Snow accumulation around 1 inch.
Total snow accumulation 7 to 11 inches. Lows 9 below to 15 below
zero. Northeast winds around 15 mph in the evening. Chance of
snow 60 percent.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 6 to 12. Lowest wind chill readings 18 below to
28 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
7 below to 13 below zero.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 12 to 18. Lowest wind chill readings 26 below to
36 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 5 below to 1 above zero.
Wind chill readings 18 below to 28 below zero.
.THURSDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs 20 to 26. Lowest wind chill
readings 20 below to 30 below zero in the morning.
.THURSDAY NIGHT...Partly cloudy. Lows 1 to 7.
.FRIDAY...Partly cloudy. Highs 24 to 30.
.FRIDAY NIGHT...Partly cloudy. Lows 5 to 11.
.SATURDAY...Breezy. Partly cloudy. Highs 25 to 31.
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 9 to 15.
.SUNDAY...Breezy. Partly cloudy. Highs 24 to 30.

$$

WYZ024-191100-
Salt River and Wyoming Ranges-
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

.LATE THIS AFTERNOON...Snow. New snow accumulation up to 1 inch.
Highs 26 to 32. West winds around 15 mph with gusts to around
30 mph. Chance of snow 90 percent.
.TONIGHT...Snow. Snow accumulation of 1 to 2 inches. Lows 3 to 9.
West winds around 15 mph early in the evening becoming west
around 15 mph early in the morning. Chance of snow 80 percent.
.WASHINGTONS BIRTHDAY...Colder. Mostly cloudy. Snow likely until
late afternoon, then chance of snow late in the afternoon. Snow
accumulation around 1 inch. Total snow accumulation 4 to
9 inches. Highs 12 to 18. Northwest winds around 15 mph early in
the morning becoming northwest around 15 mph in the afternoon.
Chance of snow 70 percent.
.MONDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of
snow. Lows 2 below to 8 below zero.
.TUESDAY...Mostly cloudy with a 20 percent chance of snow. Highs
7 to 13. Lowest wind chill readings 11 below to 21 below zero in
the morning.
.TUESDAY NIGHT...Partly cloudy. Lows 6 below to 12 below zero.
.WEDNESDAY...Partly cloudy. Highs 9 to 15. Lowest wind chill
readings 23 below to 33 below zero in the morning.
.WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 4 below to 2 above zero.
.THURSDAY...Partly cloudy in the morning, then mostly cloudy with
a 20 percent chance of snow in the afternoon. Highs 16 to 22.
Lowest wind chill readings 15 below to 25 below zero in the
morning.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 3 to 9.
.FRIDAY...Partly cloudy in the morning then becoming mostly
cloudy. A 20 percent chance of snow. Highs 20 to 26.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow.
Lows 6 to 12.
.SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs
21 to 27.
.SATURDAY NIGHT...Cloudy with a 30 percent chance of snow. Lows
10 to 16.
.SUNDAY...Mostly cloudy with a 30 percent chance of snow. Highs
20 to 26.

$$

WYZ030-191100-
East Sweetwater County-
Including the city of Wamsutter
238 PM MST Sun Feb 18 2018

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST MONDAY...

.LATE THIS AFTERNOON...Breezy, snow. Patchy blowing snow. Little
or no new snow accumulation. Highs 41 to 45. Southwest winds
15 to 25 mph with gusts to around 40 mph. Chance of snow
80 percent.
.TONIGHT...Breezy. Patchy blowing snow early in the evening.
Snow. Snow accumulation of 3 to 4 inches. Lows 6 to 11. West
winds 15 to 20 mph in the evening becoming north around 15 mph
early in the morning. Chance of snow near 100 percent.
.WASHINGTONS BIRTHDAY...Breezy. Much colder. Snow. Patchy blowing
snow in the late morning and afternoon. Snow accumulation of 2 to
3 inches. Highs 10 to 15. Northeast winds 15 to 20 mph. Chance of
snow near 100 percent.
.MONDAY NIGHT...Colder, cloudy. Snow likely in the evening, then
chance of snow after midnight. Snow accumulation up to 1 inch.
Total snow accumulation 5 to 8 inches. Lows 6 below to 11 below
zero. Northeast winds around 15 mph in the evening. Chance of
snow 60 percent.
.TUESDAY...Mostly cloudy. Highs 10 to 14. Lowest wind chill
readings 15 below to 25 below zero in the morning.
.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows
6 below to 10 below zero. West winds around 15 mph in the
evening.
.WEDNESDAY...Mostly sunny in the morning then becoming partly
cloudy. Highs 13 to 17. Lowest wind chill readings 24 below to
34 below zero in the morning.
.WEDNESDAY NIGHT...Partly cloudy. Lows 2 below to 3 above zero.
Wind chill readings 17 below to 27 below zero.
.THURSDAY...Not as cold. Mostly sunny in the morning then
becoming partly cloudy. Highs in the lower to mid 20s. Lowest
wind chill readings 17 below to 27 below zero in the morning.
.THURSDAY NIGHT...Mostly cloudy in the evening, then partly
cloudy with a 20 percent chance of snow after midnight. Lows 6 to
10.
.FRIDAY...Partly cloudy. A 20 percent chance of snow in the
morning. Highs near 30.
.FRIDAY NIGHT...Partly cloudy. Lows 10 to 14.
.SATURDAY...Breezy. Partly cloudy. Highs around 30.
.SATURDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance
of snow. Lows around 14.
.SUNDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. A 30 percent chance of snow. Highs in the upper
20s.

$$





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