FPUS55 KRIW 160034
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
632 PM MDT Sun Mar 15 2026

WYZ020-161000-
Natrona County Lower Elevations-
Including the city of Casper
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows around 10 above.
Northwest winds around 10 mph, becoming southwest after midnight.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Not as cool with highs in the mid 40s. West winds 10 to
15 mph with gusts up to 30 mph.
.MONDAY NIGHT...Partly cloudy and breezy. Not as cool with lows
in the lower 30s. West winds 15 to 20 mph with gusts up to
30 mph.
.TUESDAY...Partly cloudy and breezy, warmer with highs in the mid
60s. West winds 15 to 25 mph with gusts up to 40 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows around 40. West
winds 15 to 20 mph with gusts up to 30 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows around 40.
.THURSDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy and breezy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 40s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs in the lower 60s.

$$

WYZ017-161000-
Wind River Basin-
Including the cities of Riverton and Shoshoni
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Cold with lows 13 to 17.
.MONDAY...Partly cloudy in the morning, then clearing. Not as
cool with highs around 50. Northwest winds 10 to 15 mph with
gusts up to 30 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy and breezy. Not as cool with lows
in the upper 30s. West winds 10 to 15 mph, becoming southwest
15 to 20 mph after midnight.
.TUESDAY...Partly cloudy and windy. Highs in the upper 60s.
Southwest winds 20 to 25 mph, becoming west 20 to 30 mph in the
afternoon.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 30s.
West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows around 40.
.THURSDAY...Mostly sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s.
.FRIDAY...Partly cloudy. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Breezy with lows in the mid 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy. Highs in the mid 60s.

$$

WYZ018-161000-
Lander Foothills-
Including the city of Lander
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Cold with lows 12 to 16.
.MONDAY...Partly cloudy in the morning, then clearing. Not as
cool with highs in the lower 50s.
.MONDAY NIGHT...Partly cloudy. Not as cool with lows around 40.
Southwest winds around 10 mph.
.TUESDAY...Partly cloudy. Highs in the upper 60s. Southwest winds
10 to 15 mph, becoming west in the afternoon.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 40. West winds 10 to 15 mph with gusts
up to 25 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.SUNDAY...Partly cloudy. Highs in the mid 60s.

$$

WYZ028-161000-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Breezy with lows in the lower 20s. West winds 15 to
20 mph with gusts up to 30 mph.
.MONDAY...Partly cloudy and windy. Highs around 50. West winds
20 to 30 mph with gusts up to 40 mph.
.MONDAY NIGHT...Partly cloudy and windy. Lows in the upper 30s.
West winds 20 to 30 mph with gusts up to 40 mph.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Windy with highs in the mid 60s. West winds 20 to 30 mph
with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
West winds 20 to 25 mph with gusts up to 40 mph, diminishing to
10 to 15 mph with gusts up to 25 mph after midnight.
.WEDNESDAY...Mostly sunny and breezy. Highs around 70.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows around 40.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Clear. Lows around 40.
.FRIDAY...Sunny. Highs in the mid 70s.
.FRIDAY NIGHT...Clear. Lows around 40.
.SATURDAY...Sunny, breezy with highs in the mid 70s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 40.
.SUNDAY...Partly cloudy. Highs in the upper 60s.

$$

WYZ013-161000-
Jackson Hole-
Including the city of Jackson
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
scattered snow showers after midnight. Cold with lows 16 to 22.
Gusts up to 20 mph this evening. Chance of snow 30 percent.
.MONDAY...Mostly cloudy with scattered snow showers. Scattered
rain showers in the afternoon. Highs in the lower 40s. Southwest
winds around 10 mph with gusts up to 20 mph in the afternoon.
Chance of precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy. Scattered rain and snow showers in
the evening. Lows around 30. Southwest winds around 10 mph.
Chance of precipitation 30 percent.
.TUESDAY...Partly cloudy. Highs in the lower 50s. Southwest winds
around 10 mph with gusts up to 25 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30. Southwest winds around 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 50s.
.WEDNESDAY NIGHT...Clear. Lows in the lower 30s.
.THURSDAY...Sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Clear. Lows in the mid 30s.
.FRIDAY...Sunny. Highs in the mid 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 30s.
.SATURDAY...Mostly sunny. Highs in the mid 60s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 30s.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ003-161000-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows 14 to 18. Southeast winds around 10 mph,
becoming south with gusts up to 20 mph after midnight.
.MONDAY...Partly cloudy and breezy. Not as cool with highs around
50. Southwest winds 10 to 15 mph with gusts up to 35 mph,
becoming west 15 to 20 mph with gusts up to 45 mph in the
afternoon.
.MONDAY NIGHT...Partly cloudy and windy. Not as cool with lows in
the lower 40s. West winds 20 to 30 mph with gusts up to 50 mph.
.TUESDAY...Partly cloudy and windy. Highs around 60. West winds
25 to 35 mph with gusts up to 50 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s.
West winds 15 to 20 mph. Gusts up to 45 mph, decreasing to 35 mph
after midnight.
.WEDNESDAY...Partly cloudy and breezy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s.
.THURSDAY...Partly cloudy and breezy. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy with lows in the mid 40s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs in the lower 70s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows around 40.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 50s.

$$

WYZ004-161000-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows around 17. Southeast winds around 10 mph
after midnight.
.MONDAY...Mostly cloudy. Not as cool with highs in the mid 40s.
Southeast winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 30s. Southeast winds around
10 mph.
.TUESDAY...Partly cloudy and breezy, warmer with highs in the mid
60s. South winds 10 to 15 mph, becoming west 15 to 20 mph in the
afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds
10 to 15 mph with gusts up to 30 mph, becoming south after
midnight.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.THURSDAY...Partly cloudy. Highs in the mid 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows around 40.
.SUNDAY...Partly cloudy. Highs in the lower 60s.

$$

WYZ006-161000-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 14 to 18.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Not as cool with highs in the mid 40s.
.MONDAY NIGHT...Partly cloudy. Not as cool with lows in the mid
30s.
.TUESDAY...Partly cloudy. Warmer with highs around 70. Northwest
winds 10 to 15 mph with gusts up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds
10 to 15 mph, becoming south after midnight.
.WEDNESDAY...Partly cloudy. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs around 80.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy. Highs in the mid 60s.

$$

WYZ005-161000-
Southwest Bighorn Basin-
Including the city of Thermopolis
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 13 to 17.
.MONDAY...Partly cloudy in the morning, then clearing. Not as
cool with highs around 50.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Not as cool with lows in the mid 30s. Southwest winds
around 10 mph after midnight.
.TUESDAY...Partly cloudy. Warmer with highs in the upper 60s.
Southwest winds around 10 mph, becoming northwest in the
afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. Southwest
winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs in the mid 70s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy. Highs around 80.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy. Highs in the mid 60s.

$$

WYZ023-161000-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then cloudy with isolated
snow showers after midnight. Lows in the mid 20s. Northwest winds
around 10 mph with gusts up to 20 mph this evening. Chance of
snow 20 percent.
.MONDAY...Mostly cloudy with scattered snow showers. Isolated
rain showers in the afternoon. Highs around 50. West winds around
10 mph with gusts up to 20 mph in the afternoon. Chance of
precipitation 30 percent.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 30s. Southwest winds around
10 mph in the evening.
.TUESDAY...Partly cloudy. Highs in the upper 50s. West winds
10 to 15 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 30s. West winds around 10 mph with gusts up to
20 mph in the evening.
.WEDNESDAY...Sunny. Highs in the mid 60s.
.WEDNESDAY NIGHT...Clear. Lows in the mid 30s.
.THURSDAY...Sunny. Highs around 70.
.THURSDAY NIGHT...Clear. Lows around 40.
.FRIDAY...Sunny. Highs around 70.
.FRIDAY NIGHT...Mostly clear. Lows around 40.
.SATURDAY...Mostly sunny. Highs around 70.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.SUNDAY...Partly cloudy. Highs around 60.

$$

WYZ025-161000-
Upper Green River Basin Foothills-
Including the city of Pinedale
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Breezy, cold with lows 12 to 18. Northwest winds 15 to
20 mph, diminishing to around 10 mph after midnight.
.MONDAY...Partly cloudy and breezy. Highs in the lower 40s.
Northwest winds 15 to 25 mph with gusts up to 35 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy with lows in the lower 30s. Northwest winds
20 to 25 mph with gusts up to 35 mph, diminishing to around
10 mph after midnight.
.TUESDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 50s. Northwest winds around 10 mph,
increasing to 15 to 20 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30. Northwest winds 10 to 15 mph with gusts up to
30 mph in the evening.
.WEDNESDAY...Mostly sunny. Highs around 60.
.WEDNESDAY NIGHT...Clear. Lows around 30.
.THURSDAY...Sunny. Highs in the mid 60s.
.THURSDAY NIGHT...Clear. Lows in the lower 30s.
.FRIDAY...Sunny. Highs in the mid 60s.
.FRIDAY NIGHT...Clear. Lows in the mid 30s.
.SATURDAY...Mostly sunny. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.SUNDAY...Partly cloudy. Highs around 60.

$$

WYZ026-161000-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows around 20. Northwest winds 10 to 15 mph.
Gusts up to 30 mph this evening.
.MONDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the upper 40s. Northwest winds 10 to 15 mph with
gusts up to 30 mph, increasing to 20 to 25 mph with gusts up to
40 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s.
Northwest winds 20 to 25 mph with gusts up to 35 mph, becoming
west 10 to 15 mph with gusts up to 25 mph after midnight.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs around 60. West winds 15 to 25 mph with
gusts up to 35 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows around 30. West
winds 15 to 20 mph with gusts up to 35 mph, diminishing to around
10 mph after midnight.
.WEDNESDAY...Mostly sunny and breezy. Highs in the mid 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Clear. Lows in the mid 30s.
.FRIDAY...Mostly sunny. Highs in the lower 70s.
.FRIDAY NIGHT...Clear. Lows in the mid 30s.
.SATURDAY...Sunny, breezy with highs in the lower 70s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 30s.
.SUNDAY...Partly cloudy. Highs in the lower 60s.

$$

WYZ010-161000-
Northeast Johnson County-
Including the city of Buffalo
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming partly
cloudy. Cold with lows around 10 above. Southwest winds around
10 mph after midnight.
.MONDAY...Mostly cloudy. Not as cool with highs in the lower 40s.
West winds around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Not as cool with lows in the mid
30s. Southwest winds around 10 mph.
.TUESDAY...Partly cloudy and breezy. Much warmer with highs in
the mid 60s. Southwest winds around 10 mph, becoming northwest
15 to 20 mph in the afternoon. Gusts up to 35 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds
10 to 15 mph with gusts up to 30 mph, becoming southwest after
midnight.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the lower 70s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs
around 80.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the mid 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.SUNDAY...Partly cloudy. Highs around 60.

$$

WYZ011-161000-
Southeast Johnson County-
Including the city of Kaycee
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows around 9 above.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Not as cool with highs in the lower 40s. Southwest winds
around 10 mph with gusts up to 25 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy. Not as cool with lows in the lower
30s. Southwest winds 10 to 15 mph.
.TUESDAY...Partly cloudy and breezy. Much warmer with highs in
the upper 60s. West winds 15 to 25 mph with gusts up to 35 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds
10 to 15 mph, becoming southwest after midnight.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 40.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Partly cloudy. Highs around 80.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.SUNDAY...Partly cloudy. Highs around 60.

$$

WYZ027-161000-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Lows in the mid 20s. West winds 10 to 15 mph with gusts
up to 25 mph.
.MONDAY...Partly cloudy and breezy. Highs around 50. West winds
15 to 25 mph. Gusts up to 40 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
West winds 15 to 25 mph.
.TUESDAY...Mostly sunny and windy. Highs around 60. West winds
20 to 30 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
West winds 20 to 25 mph with gusts up to 35 mph, becoming
southwest 10 to 15 mph after midnight.
.WEDNESDAY...Mostly sunny and breezy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs around 70.
.THURSDAY NIGHT...Clear. Lows in the upper 30s.
.FRIDAY...Mostly sunny. Highs around 70.
.FRIDAY NIGHT...Clear. Lows around 40.
.SATURDAY...Sunny, breezy with highs in the lower 70s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 30s.
.SUNDAY...Partly cloudy. Highs in the lower 60s.

$$

WYZ016-161000-
Upper Wind River Basin-
Including the city of Dubois
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Breezy, cold with lows 14 to 18. West winds 15 to 20 mph
with gusts up to 30 mph.
.MONDAY...Partly cloudy in the morning, then clearing. Very windy
and not as cool with highs in the upper 40s. West winds 20 to
30 mph, increasing to northwest 30 to 40 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy and windy. Not as cool with lows
around 40. Northwest winds 25 to 35 mph. Gusts up to 50 mph in
the evening.
.TUESDAY...Partly cloudy and very windy. Highs in the upper 50s.
West winds 30 to 40 mph with gusts up to 50 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows around 40. West winds 15 to 25 mph. Gusts up to
45 mph in the evening.
.WEDNESDAY...Mostly sunny and windy. Highs in the lower 60s.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows around 40.
.THURSDAY...Mostly sunny and breezy. Highs in the upper 60s.
.THURSDAY NIGHT...Clear, breezy with lows in the lower 40s.
.FRIDAY...Mostly sunny and breezy. Highs in the upper 60s.
.FRIDAY NIGHT...Clear, breezy with lows in the lower 40s.
.SATURDAY...Mostly sunny and windy. Highs in the upper 60s.
.SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s.
.SUNDAY...Partly cloudy and breezy. Highs in the mid 50s.

$$

WYZ001-161000-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then cloudy with scattered
snow showers after midnight. Areas of fog after midnight. Cold
with lows 12 to 18. West winds around 10 mph with gusts up to
25 mph. Chance of snow 30 percent.
.MONDAY...Cloudy with numerous snow showers. Storm total snow
accumulation of 3 to 5 inches. Highs in the mid 30s. Southwest
winds 10 to 15 mph with gusts up to 30 mph. Chance of snow
60 percent.
.MONDAY NIGHT...Scattered rain showers in the evening. Mostly
cloudy with scattered snow showers. Lows around 30. Southwest
winds 10 to 15 mph with gusts up to 30 mph. Chance of
precipitation 30 percent.
.TUESDAY...Mostly cloudy. Highs in the mid 40s. Southwest winds
10 to 15 mph with gusts up to 35 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 30s. Southwest winds 10 to
15 mph with gusts up to 35 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 30.
.THURSDAY...Partly cloudy. Highs in the mid 50s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 30s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 50s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 30s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. A 20 percent chance of rain showers. Highs in the mid
50s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Mostly cloudy. A slight chance of rain and snow showers
in the afternoon. Highs in the upper 40s. Chance of precipitation
20 percent.

$$

WYZ029-161000-
Flaming Gorge-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Breezy with lows in the lower 20s. Northwest winds 20 to
25 mph with gusts up to 40 mph, becoming west 10 to 15 mph with
gusts up to 25 mph after midnight.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Windy with highs in the lower 50s. West winds 25 to
35 mph with gusts up to 45 mph.
.MONDAY NIGHT...Partly cloudy and windy. Lows in the upper 30s.
West winds 25 to 35 mph with gusts up to 45 mph, diminishing to
20 to 25 mph after midnight.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Windy with highs in the mid 60s. West winds 25 to 35 mph
with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and windy. Lows in the upper 30s.
West winds 20 to 30 mph with gusts up to 45 mph, becoming
southwest 10 to 15 mph after midnight.
.WEDNESDAY...Mostly sunny and breezy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows around 40.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Clear, breezy with lows in the lower 40s.
.FRIDAY...Sunny, breezy with highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s.
.SATURDAY...Sunny, breezy with highs in the upper 70s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Breezy with lows around 40.
.SUNDAY...Partly cloudy. Highs in the upper 60s.

$$

WYZ022-161000-
Casper Mountain-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 2 to 8 above.
Temperature rising to around 12 after midnight. Northwest winds
around 10 mph, becoming southwest with gusts up to 20 mph after
midnight.
.MONDAY...Cloudy, breezy and not as cool with highs in the upper
30s. West winds 15 to 20 mph with gusts up to 30 mph.
.MONDAY NIGHT...Mostly cloudy and breezy. Not as cool with lows
in the lower 30s. Southwest winds 15 to 20 mph with gusts up to
35 mph.
.TUESDAY...Partly cloudy and breezy. Not as cool with highs in
the upper 50s. West winds 15 to 25 mph with gusts up to 40 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 30s.
West winds 15 to 20 mph with gusts up to 30 mph.
.WEDNESDAY...Mostly sunny and breezy. Highs in the lower 60s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the lower 40s.
.THURSDAY...Mostly sunny and breezy. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Mostly sunny and breezy. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the upper 60s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ002-161000-
Absaroka Mountains-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Breezy, cold with lows 7 to 15 above. West winds 15 to
25 mph with gusts up to 35 mph.
.MONDAY...Partly cloudy with scattered snow showers. Windy and
not as cool with highs in the upper 30s. West winds 20 to 30 mph
with gusts up to 50 mph. Chance of snow 30 percent.
.MONDAY NIGHT...Partly cloudy. Scattered snow showers in the
evening. Windy and not as cool with lows around 30. West winds
25 to 35 mph with gusts up to 55 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy and windy. Highs in the lower 40s. West
winds 25 to 35 mph with gusts up to 60 mph.
.TUESDAY NIGHT...Partly cloudy and windy. Lows in the lower 30s.
West winds 20 to 30 mph with gusts up to 50 mph.
.WEDNESDAY...Mostly sunny and windy. Highs in the upper 40s.
.WEDNESDAY NIGHT...Mostly clear and windy. Lows in the lower 30s.
.THURSDAY...Mostly sunny and breezy. Highs around 50.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s.
.FRIDAY...Mostly sunny and breezy. Highs in the lower 50s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s.
.SATURDAY...Mostly sunny. A slight chance of. Windy with highs in
the lower 50s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows around 30.
.SUNDAY...Partly cloudy. A slight chance of. Breezy with highs in
the mid 40s.

$$

WYZ007-161000-
Owl Creek and Bridger Mountains-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 10 to 16. North winds
around 10 mph, becoming southwest after midnight.
.MONDAY...Partly cloudy in the morning, then clearing. Not as
cool with highs in the mid 40s. Southwest winds around 10 mph,
becoming northwest with gusts up to 25 mph in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Not as cool with lows in the mid 30s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 60s.
Southwest winds 10 to 15 mph, becoming west 15 to 20 mph in the
afternoon. Gusts up to 35 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s.
West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy and breezy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s.
.THURSDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the upper 40s.
.FRIDAY...Partly cloudy and breezy. Highs in the lower 70s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Breezy with lows in the upper 40s.
.SATURDAY...Mostly sunny in the morning, then becoming partly
cloudy. Breezy with highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 50s.

$$

WYZ008-161000-
Bighorn Mountains West-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 2 to 12 above. Northwest
winds around 10 mph with gusts up to 20 mph.
.MONDAY...Mostly cloudy. Scattered snow showers in the afternoon.
Not as cool with highs in the upper 30s. West winds 10 to 15 mph
with gusts up to 35 mph. Chance of snow 30 percent.
.MONDAY NIGHT...Mostly cloudy with scattered snow showers in the
evening, then partly cloudy after midnight. Not as cool with lows
in the lower 30s. West winds 10 to 15 mph with gusts up to
30 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 50s. West
winds 15 to 20 mph with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 30s.
West winds 15 to 20 mph. Gusts up to 35 mph in the evening.
.WEDNESDAY...Partly cloudy and breezy. Highs in the upper 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 30s.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 60s.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 40s.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the lower 60s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
.SUNDAY...Mostly cloudy. Highs in the lower 50s.

$$

WYZ009-161000-
Bighorn Mountains Southeast-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy. Cold with lows 2 to 10 above. West
winds 10 to 15 mph with gusts up to 25 mph.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy and not as cool with highs in the upper 30s. West
winds 15 to 25 mph. Gusts up to 40 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy and breezy. Not as cool with lows
in the lower 30s. West winds 20 to 25 mph with gusts up to
45 mph.
.TUESDAY...Partly cloudy in the morning, then clearing. Windy
with highs in the lower 50s. West winds 20 to 30 mph with gusts
up to 55 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 30s.
West winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph
after midnight.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the upper 50s.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows around 40.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s.
.FRIDAY...Partly cloudy and breezy. Highs in the mid 60s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s.
.SATURDAY...Partly cloudy and breezy. Highs in the mid 60s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 40s.

$$

WYZ012-161000-
Teton and Gros Ventre Mountains-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then mostly cloudy with
scattered snow showers after midnight. Cold with lows 6 to
16 above. West winds around 10 mph with gusts up to 25 mph.
Chance of snow 30 percent.
.MONDAY...Mostly cloudy with scattered snow showers. Breezy with
highs in the mid 30s. West winds 15 to 20 mph with gusts up to
35 mph. Chance of snow 40 percent.
.MONDAY NIGHT...Mostly cloudy. Scattered snow showers in the
evening. Not as cool with lows in the upper 20s. West winds 10 to
15 mph with gusts up to 30 mph. Chance of snow 30 percent.
.TUESDAY...Partly cloudy and breezy. Highs in the mid 40s. West
winds 15 to 20 mph with gusts up to 35 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds
10 to 15 mph with gusts up to 30 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 50s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 30.
.THURSDAY...Sunny. Highs in the mid 50s.
.THURSDAY NIGHT...Clear. Lows in the lower 30s.
.FRIDAY...Sunny. Highs in the mid 50s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 30s.
.SATURDAY...Mostly sunny and breezy. Highs in the mid 50s.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.SUNDAY...Partly cloudy. A slight chance of. Highs in the upper
40s.

$$

WYZ014-161000-
Wind River Mountains West-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows 2 to 12 above. Northwest winds 10 to
15 mph with gusts up to 30 mph.
.MONDAY...Partly cloudy and breezy. Not as cool with highs in the
mid 30s. West winds 15 to 25 mph with gusts up to 40 mph.
.MONDAY NIGHT...Mostly cloudy and breezy. Not as cool with lows
in the mid 20s. West winds 15 to 25 mph with gusts up to 40 mph.
.TUESDAY...Partly cloudy and breezy. Highs in the mid 40s. West
winds 15 to 25 mph with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s.
West winds 15 to 20 mph with gusts up to 35 mph.
.WEDNESDAY...Mostly sunny and breezy. Highs in the upper 40s.
.WEDNESDAY NIGHT...Mostly clear and breezy. Lows in the lower
30s.
.THURSDAY...Sunny, breezy with highs in the lower 50s.
.THURSDAY NIGHT...Clear, breezy with lows in the lower 30s.
.FRIDAY...Mostly sunny and breezy. Highs in the mid 50s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the lower 30s.
.SATURDAY...Mostly sunny and breezy. Highs in the mid 50s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower
30s.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 40s.

$$

WYZ015-161000-
Wind River Mountains East-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Breezy, cold with lows 4 to 12 above. West winds 15 to
25 mph with gusts up to 40 mph.
.MONDAY...Partly cloudy in the morning, then clearing. Windy and
not as cool with highs around 40. West winds 20 to 30 mph with
gusts up to 60 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Windy and not as cool with lows in the lower 30s.
West winds 25 to 35 mph. Gusts up to 60 mph, decreasing to 50 mph
after midnight.
.TUESDAY...Partly cloudy and windy. Highs in the mid 40s. West
winds 25 to 35 mph with gusts up to 60 mph.
.TUESDAY NIGHT...Partly cloudy and windy. Lows in the lower 30s.
West winds 20 to 30 mph. Gusts up to 55 mph, decreasing to 40 mph
after midnight.
.WEDNESDAY...Mostly sunny and windy. Highs in the upper 40s.
.WEDNESDAY NIGHT...Mostly clear and windy. Lows in the mid 30s.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 50s.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s.
.FRIDAY...Mostly sunny and breezy. Highs in the mid 50s.
.FRIDAY NIGHT...Clear, breezy with lows in the upper 30s.
.SATURDAY...Mostly sunny and windy. Highs in the mid 50s.
.SATURDAY NIGHT...Mostly clear and breezy. Lows in the lower 30s.
.SUNDAY...Partly cloudy and breezy. Highs in the mid 40s.

$$

WYZ019-161000-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows 11 to 17. Northwest winds around 10 mph,
becoming southwest after midnight.
.MONDAY...Partly cloudy and breezy. Not as cool with highs in the
mid 40s. West winds 15 to 25 mph with gusts up to 45 mph.
.MONDAY NIGHT...Partly cloudy and breezy. Not as cool with lows
in the mid 30s. West winds 15 to 20 mph with gusts up to 40 mph.
.TUESDAY...Partly cloudy and breezy. Highs in the lower 60s. West
winds 20 to 25 mph with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 30s.
West winds 15 to 25 mph. Gusts up to 40 mph in the evening.
.WEDNESDAY...Partly cloudy and windy. Highs in the upper 60s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the lower 40s.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s.
.FRIDAY...Partly cloudy and breezy. Highs in the lower 70s.
.FRIDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the lower 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy and breezy. Highs in the upper 50s.

$$

WYZ024-161000-
Salt River and Wyoming Ranges-
632 PM MDT Sun Mar 15 2026

.TONIGHT...Partly cloudy this evening, then becoming mostly
cloudy. Cold with lows 12 to 20. West winds 10 to 15 mph with
gusts up to 30 mph.
.MONDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Windy with highs in the lower
40s. West winds 20 to 30 mph with gusts up to 45 mph. Chance of
snow 30 percent.
.MONDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s.
West winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph
after midnight.
.TUESDAY...Mostly sunny and windy. Highs around 50. West winds
20 to 30 mph with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the mid 30s. West winds 20 to 25 mph with
gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to
30 mph after midnight.
.WEDNESDAY...Sunny, breezy with highs in the upper 50s.
.WEDNESDAY NIGHT...Clear, breezy with lows in the mid 30s.
.THURSDAY...Sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Clear. Lows in the mid 30s.
.FRIDAY...Sunny, breezy with highs in the lower 60s.
.FRIDAY NIGHT...Clear. Lows in the upper 30s.
.SATURDAY...Mostly sunny and breezy. Highs in the lower 60s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s.
.SUNDAY...Partly cloudy. Highs in the mid 50s.

$$

WYZ030-161000-
East Sweetwater County-
Including the city of Wamsutter
632 PM MDT Sun Mar 15 2026

.TONIGHT...Mostly clear this evening, then becoming cloudy.
Breezy, cold with lows around 20. West winds 15 to 20 mph with
gusts up to 30 mph.
.MONDAY...Partly cloudy and windy. Not as cool with highs around
50. West winds 20 to 30 mph with gusts up to 45 mph.
.MONDAY NIGHT...Partly cloudy and windy. Lows in the mid 30s.
West winds 20 to 30 mph. Gusts up to 45 mph in the evening.
.TUESDAY...Partly cloudy and windy. Highs in the lower 60s. West
winds 25 to 35 mph with gusts up to 45 mph.
.TUESDAY NIGHT...Partly cloudy and windy. Lows in the upper 30s.
West winds 20 to 30 mph with gusts up to 45 mph, diminishing to
10 to 15 mph with gusts up to 25 mph after midnight.
.WEDNESDAY...Partly cloudy and breezy. Highs around 70.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy with lows in the upper 30s.
.THURSDAY...Mostly sunny and breezy. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows around 40.
.FRIDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 40s.
.SATURDAY...Mostly sunny and breezy. Highs in the mid 70s.
.SATURDAY NIGHT...Partly cloudy and breezy. Lows in the upper
30s.
.SUNDAY...Partly cloudy and breezy. Highs in the mid 60s.

$$