200
FPUS55 KRIW 181252
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
651 AM MDT Mon Aug 18 2025

WYZ020-182200-
Natrona County Lower Elevations-
Including the city of Casper
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 80s. Southwest winds around
10 mph with gusts up to 20 mph, becoming west this afternoon.
.TONIGHT...Mostly clear. Lows in the mid 50s. Northeast winds
around 10 mph, becoming southeast after midnight.
.TUESDAY...Sunny. Highs in the lower 90s. South winds around
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows around 60. Southeast winds 10 to
15 mph with gusts up to 25 mph.
.WEDNESDAY...Sunny, hot with highs in the mid 90s. Southwest
winds around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Highs around 90.
.THURSDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening. Lows in the mid
50s. Chance of rain 30 percent.
.FRIDAY...Partly cloudy in the morning, then mostly sunny with a
chance of showers and thunderstorms in the afternoon. Highs in
the lower 80s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

$$

WYZ017-182200-
Wind River Basin-
Including the cities of Riverton and Shoshoni
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 80s. Southwest winds around
10 mph this morning.
.TONIGHT...Mostly clear. Lows in the mid 50s. South winds around
10 mph.
.TUESDAY...Sunny. Highs in the lower 90s. Southeast winds around
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows around 60. Southeast winds around
10 mph, becoming south after midnight.
.WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s.
Southwest winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs around 90.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the mid
80s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

$$

WYZ018-182200-
Lander Foothills-
Including the city of Lander
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 80s. Southwest winds around
10 mph this afternoon.
.TONIGHT...Clear. Lows around 60. Southwest winds around 10 mph.
.TUESDAY...Sunny. Highs in the lower 90s. Southeast winds around
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows around 60. Southwest winds around
10 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 90s. Southwest winds
around 10 mph with gusts up to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 60s.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

$$

WYZ028-182200-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower 80s.
.TONIGHT...Mostly clear. Lows around 50.
.TUESDAY...Sunny. Highs around 90.
.TUESDAY NIGHT...Clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs around 90. West winds around
10 mph with gusts up to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.THURSDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the upper 80s. Chance of rain
30 percent.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SATURDAY...Partly cloudy in the morning, then mostly sunny with
a chance of showers and thunderstorms in the afternoon. Highs in
the mid 80s. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening. Lows in the mid
50s. Chance of rain 30 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. Highs in the lower 80s. Chance of rain 60 percent.

$$

WYZ013-182200-
Jackson Hole-
Including the city of Jackson
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the lower 80s. Southeast winds
around 10 mph, becoming southwest this afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southwest winds
around 10 mph in the evening.
.TUESDAY...Sunny. Highs in the upper 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Partly cloudy. Highs in the mid 80s. Southwest winds
around 10 mph with gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a slight chance of showers and thunderstorms in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

$$

WYZ003-182200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny this morning, then becoming partly cloudy.
Highs in the lower 80s. Southeast winds around 10 mph.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows
around 60. Southwest winds around 10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 90s. Southwest winds
around 10 mph, becoming southeast with gusts up to 20 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds
around 10 mph, becoming southwest after midnight.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 90s. Southwest winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 60.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

$$

WYZ004-182200-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs around 90. Southeast winds around
10 mph.
.TONIGHT...Mostly clear. Lows around 60. Southeast winds around
10 mph, becoming south after midnight.
.TUESDAY...Sunny, hot with highs in the upper 90s. Southeast
winds around 10 mph with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds around 10 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly sunny. Hot with highs in the upper 90s. South
winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs around 90.
.THURSDAY NIGHT...Mostly clear. Lows around 60.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the mid
80s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 50s.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Highs around 90. Chance of
rain 30 percent.

$$

WYZ006-182200-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs around 90.
.TONIGHT...Mostly clear. Lows around 60. Southeast winds around
10 mph.
.TUESDAY...Sunny, hot with highs in the mid 90s. South winds
around 10 mph with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the lower 60s. Southeast winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly sunny. Hot with highs in the upper 90s. South
winds around 10 mph, becoming northwest in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs around 90.
.THURSDAY NIGHT...Mostly clear. Lows around 60.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 80s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the mid
80s.
.SATURDAY NIGHT...Partly cloudy. Lows around 60.
.SUNDAY...Partly cloudy. A chance of showers with a slight chance
of thunderstorms in the afternoon. Highs in the upper 80s. Chance
of rain 30 percent.

$$

WYZ005-182200-
Southwest Bighorn Basin-
Including the city of Thermopolis
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the upper 80s. South winds around
10 mph this afternoon.
.TONIGHT...Mostly clear. Lows in the upper 50s. Southeast winds
around 10 mph, becoming southwest after midnight.
.TUESDAY...Sunny, hot with highs in the mid 90s. South winds
around 10 mph.
.TUESDAY NIGHT...Clear. Lows around 60. Southeast winds around
10 mph, becoming southwest after midnight.
.WEDNESDAY...Mostly sunny. Hot with highs in the upper 90s. South
winds around 10 mph, becoming southeast in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the upper
80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

$$

WYZ023-182200-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the mid 80s. South winds around
10 mph.
.TONIGHT...Clear. Lows in the upper 40s.
.TUESDAY...Sunny. Highs around 90.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 90. Southwest winds around 10 mph with gusts
up to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of. Lows in the
lower 50s.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
around 90. Chance of rain 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. A slight chance of. Highs around 90.
.FRIDAY NIGHT...Mostly clear. Lows around 50.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers with a slight chance of thunderstorms in the
afternoon. Highs around 90. Chance of rain 30 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers. Lows in
the lower 50s. Chance of rain 20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the mid 80s. Chance of rain 40 percent.

$$

WYZ025-182200-
Upper Green River Basin Foothills-
Including the city of Pinedale
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the upper 70s. Southeast winds
around 10 mph, becoming southwest this afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds
around 10 mph in the evening.
.TUESDAY...Sunny. Highs in the mid 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 80s. Southwest winds 10 to 15 mph with
gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Mostly sunny with a slight chance of showers. Highs
in the lower 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the lower
80s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers with a slight chance of thunderstorms in the
afternoon. Highs in the lower 80s. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 40s. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs around 80. Chance of rain 40 percent.

$$

WYZ026-182200-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs around 80. Southwest winds around 10 mph
this afternoon.
.TONIGHT...Clear. Lows in the upper 40s. South winds around
10 mph in the evening.
.TUESDAY...Sunny. Highs in the mid 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.WEDNESDAY...Mostly sunny. Highs around 90. Southwest winds 10 to
15 mph with gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Highs in the mid 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 50.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 80s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows around 50. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs around 80. Chance of rain 30 percent.

$$

WYZ010-182200-
Northeast Johnson County-
Including the city of Buffalo
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the upper 80s. Northeast winds
around 10 mph this afternoon.
.TONIGHT...Mostly clear. Lows in the lower 60s. East winds around
10 mph, becoming south after midnight.
.TUESDAY...Sunny, hot with highs in the mid 90s. South winds
around 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
10 to 15 mph with gusts up to 30 mph.
.WEDNESDAY...Mostly sunny. Hot with highs around 100. South winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the mid
80s.
.THURSDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear with a slight
chance of showers and thunderstorms after midnight. Lows in the
upper 50s. Chance of rain 30 percent.
.FRIDAY...Mostly sunny. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs around 80. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.SATURDAY...Mostly sunny. A slight chance of. Highs around 80.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.

$$

WYZ011-182200-
Southeast Johnson County-
Including the city of Kaycee
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the upper 80s. Southwest winds
around 10 mph, becoming north this afternoon.
.TONIGHT...Mostly clear. Lows around 60. Southwest winds around
10 mph after midnight.
.TUESDAY...Sunny. Highs in the mid 90s. South winds around
10 mph.
.TUESDAY NIGHT...Clear. Lows in the lower 60s. South winds 10 to
15 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly sunny. Hot with highs in the upper 90s. South
winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the upper
80s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening, then a slight chance of showers
after midnight. Lows in the upper 50s. Chance of rain 30 percent.
.FRIDAY...Partly cloudy in the morning, then mostly sunny with a
chance of showers and thunderstorms in the afternoon. Highs in
the lower 80s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
30 percent.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the lower
80s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

$$

WYZ027-182200-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower 80s. Southwest winds around
10 mph this afternoon.
.TONIGHT...Clear. Lows in the upper 40s. West winds around 10 mph
in the evening.
.TUESDAY...Sunny. Highs in the upper 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs around 90. Southwest winds 10 to
15 mph with gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. A slight chance of. Lows in the
mid 50s.
.THURSDAY...Partly cloudy with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers and thunderstorms in the afternoon. Highs in
the mid 80s. Chance of rain 30 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a chance of showers. Lows in the
lower 50s. Chance of rain 30 percent.
.SUNDAY...Partly cloudy with a chance of showers. A chance of
thunderstorms in the afternoon. Highs around 80. Chance of rain
50 percent.

$$

WYZ016-182200-
Upper Wind River Basin-
Including the city of Dubois
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
around 10 mph, becoming southwest with gusts up to 20 mph this
afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s. West winds around
10 mph.
.TUESDAY...Sunny. Highs in the mid 80s. Northwest winds around
10 mph, becoming south with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 10 mph with gusts up to 20 mph, becoming west after
midnight.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Highs in the mid 80s. West winds
10 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 50s.
.THURSDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs around 80. Chance of rain
20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
around 50.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers and thunderstorms in the afternoon. Highs
around 80. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows around 50. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs around 80. Chance of rain 50 percent.

$$

WYZ001-182200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the mid 70s. South winds around
10 mph, becoming southwest this afternoon.
.TONIGHT...Mostly clear. Lows in the mid 40s. Southwest winds
around 10 mph with gusts up to 20 mph in the evening.
.TUESDAY...Mostly sunny. Highs around 80. South winds around
10 mph, becoming southwest with gusts up to 20 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds
around 10 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. South winds around 10 mph with
gusts up to 20 mph, becoming southwest with gusts up to 30 mph in
the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the mid
70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s.
.FRIDAY...Mostly sunny. Highs in the upper 70s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 40s.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the upper
70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

$$

WYZ029-182200-
Flaming Gorge-
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower 80s. Southwest winds around
10 mph this afternoon.
.TONIGHT...Mostly clear. Lows in the mid 50s.
.TUESDAY...Sunny. Highs in the upper 80s.
.TUESDAY NIGHT...Clear. Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. Highs around 90. West winds around
10 mph with gusts up to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 60.
.THURSDAY...Mostly sunny in the morning, then partly cloudy with
a slight chance of showers and thunderstorms in the afternoon.
Highs in the upper 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the mid 80s. Chance of rain
30 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers. Lows
around 60. Chance of rain 20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the lower 80s. Chance of rain 50 percent.

$$

WYZ022-182200-
Casper Mountain-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 10 mph, becoming west this afternoon.
.TONIGHT...Mostly clear. Lows in the upper 50s. East winds around
10 mph, becoming southeast after midnight.
.TUESDAY...Mostly sunny. Highs in the mid 80s. South winds around
10 mph in the morning.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds 10 to 15 mph with gusts up to 30 mph.
.WEDNESDAY...Sunny. Highs in the upper 80s. South winds around
10 mph, becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening, then a slight
chance of showers after midnight. Lows in the lower 50s. Chance
of rain 30 percent.
.FRIDAY...Partly cloudy in the morning, then mostly sunny with a
chance of showers and thunderstorms in the afternoon. Highs in
the mid 70s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. A chance of showers and thunderstorms
in the afternoon. Highs in the mid 70s. Chance of rain
30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s. Chance of rain 40 percent.

$$

WYZ002-182200-
Absaroka Mountains-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the lower 70s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Partly cloudy in the evening, then clearing. Lows
around 50. Southwest winds 10 to 15 mph.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
around 10 mph with gusts up to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds 10 to 15 mph.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Highs in the mid 70s. Southwest winds
10 to 15 mph with gusts up to 30 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 50s.
.THURSDAY...Mostly sunny. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 70s. Chance of rain
30 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 40s.
.FRIDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers and thunderstorms in the afternoon. Highs in
the upper 60s. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Chance of
rain 20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 60s. Chance of rain 40 percent.

$$

WYZ007-182200-
Owl Creek and Bridger Mountains-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the lower 80s. Southwest winds
around 10 mph.
.TONIGHT...Mostly clear. Lows around 60. South winds around
10 mph.
.TUESDAY...Sunny. Highs in the upper 80s. South winds around
10 mph.
.TUESDAY NIGHT...Clear. Lows in the lower 60s. South winds 10 to
15 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly sunny. Highs around 90. Southwest winds 10 to
15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the lower
80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs around 80. Chance of rain 30 percent.

$$

WYZ008-182200-
Bighorn Mountains West-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the mid 70s. Southwest winds
around 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 50s. Southeast winds
around 10 mph.
.TUESDAY...Sunny. Highs in the lower 80s. South winds around
10 mph, becoming southwest in the afternoon. Gusts up to 25 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. South winds
10 to 15 mph, becoming west in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the mid
70s.
.THURSDAY NIGHT...Mostly clear. A chance of showers with a slight
chance of thunderstorms in the evening. Lows in the lower 50s.
Chance of rain 30 percent.
.FRIDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of rain showers
and thunderstorms in the evening. Lows in the lower 50s. Chance
of rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of. Highs in the lower
70s.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

$$

WYZ009-182200-
Bighorn Mountains Southeast-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the mid 70s. West winds 10 to
15 mph.
.TONIGHT...Mostly clear. Lows in the mid 50s. West winds around
10 mph.
.TUESDAY...Mostly sunny. Highs in the lower 80s. South winds
around 10 mph with gusts up to 20 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
10 to 15 mph with gusts up to 30 mph.
.WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.THURSDAY...Mostly sunny. A slight chance of. Highs in the mid
70s.
.THURSDAY NIGHT...Partly cloudy. A chance of showers and
thunderstorms in the evening. Lows around 50. Chance of rain
30 percent.
.FRIDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs around 70. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Chance of
rain 20 percent.
.SATURDAY...Mostly sunny. A slight chance of rain showers and
thunderstorms in the afternoon. Highs around 70. Chance of rain
20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the lower 50s. Chance of
rain 20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 70s. Chance of rain 30 percent.

$$

WYZ012-182200-
Teton and Gros Ventre Mountains-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs in the lower 70s. South winds around
10 mph, becoming southwest with gusts up to 20 mph this
afternoon.
.TONIGHT...Mostly clear. Lows in the upper 40s. South winds
around 10 mph, becoming east after midnight.
.TUESDAY...Sunny. Highs in the upper 70s. Southeast winds around
10 mph, becoming southwest with gusts up to 20 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
around 10 mph, becoming southeast after midnight.
.WEDNESDAY...Partly cloudy. Highs in the upper 70s. Southeast
winds around 10 mph, becoming southwest in the afternoon. Gusts
up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 50s.
.THURSDAY...Mostly sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 70s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a slight chance of showers and thunderstorms in the afternoon.
Highs in the mid 70s. Chance of rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Chance of
rain 20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 70s. Chance of rain 40 percent.

$$

WYZ014-182200-
Wind River Mountains West-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs around 70. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.TONIGHT...Clear. Lows in the upper 40s. South winds around
10 mph in the evening.
.TUESDAY...Sunny. Highs in the mid 70s. Southeast winds around
10 mph, becoming southwest with gusts up to 20 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows around 50. Southwest winds
around 10 mph with gusts up to 20 mph in the evening.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s. Southwest winds 10 to 15 mph.
Gusts up to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Highs in the mid 70s. Chance of
rain 30 percent.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 40s.
.FRIDAY...Mostly sunny in the morning, then partly cloudy with a
slight chance of rain showers and thunderstorms in the afternoon.
Highs in the lower 70s. Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of rain showers and thunderstorms in the afternoon.
Highs in the lower 70s. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Chance of
rain 20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs in the upper 60s. Chance of rain 40 percent.

$$

WYZ015-182200-
Wind River Mountains East-
651 AM MDT Mon Aug 18 2025

.TODAY...Mostly sunny. Highs around 70. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.TONIGHT...Mostly clear. Lows in the upper 40s. Southwest winds
around 10 mph.
.TUESDAY...Sunny. Highs in the lower 70s. South winds around
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest
winds around 10 mph with gusts up to 20 mph.
.WEDNESDAY...Mostly sunny. A slight chance of. Highs in the mid
70s. West winds 10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.THURSDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon. Highs in the lower 70s. Chance of
rain 30 percent.
.THURSDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 40s.
.FRIDAY...Mostly sunny. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Highs in the upper 60s.
Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of rain showers and thunderstorms in the afternoon.
Highs in the upper 60s. Chance of rain 30 percent.
.SATURDAY NIGHT...Partly cloudy. A chance of showers with a
slight chance of thunderstorms in the evening. Lows in the upper
40s. Chance of rain 30 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 60s. Chance of rain 50 percent.

$$

WYZ019-182200-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower 80s. Southwest winds around
10 mph.
.TONIGHT...Mostly clear. Lows in the mid 50s. West winds around
10 mph, becoming southeast after midnight.
.TUESDAY...Sunny. Highs in the upper 80s. South winds around
10 mph with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. South winds around
10 mph with gusts up to 20 mph.
.WEDNESDAY...Sunny. Highs in the lower 90s. Southwest winds
around 10 mph. Gusts up to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s.
.THURSDAY...Mostly sunny in the morning, then partly cloudy with
a slight chance of showers and thunderstorms in the afternoon.
Highs in the mid 80s. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.FRIDAY...Partly cloudy in the morning, then mostly sunny with a
chance of showers and thunderstorms in the afternoon. Highs in
the lower 80s. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 80s. Chance of
rain 20 percent.
.SATURDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Lows in the mid 50s. Chance of rain
20 percent.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

$$

WYZ024-182200-
Salt River and Wyoming Ranges-
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the mid 70s. South winds around 10 mph,
becoming southwest this afternoon.
.TONIGHT...Clear. Lows around 50. West winds around 10 mph in the
evening.
.TUESDAY...Sunny. Highs in the lower 80s. Southwest winds around
10 mph with gusts up to 20 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 10 mph with gusts up to 20 mph in the evening.
.WEDNESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s. East winds around 10 mph,
becoming southwest with gusts up to 30 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s.
.THURSDAY...Mostly sunny with a slight chance of showers. A
slight chance of thunderstorms in the afternoon. Highs in the
upper 70s. Chance of rain 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Chance of
rain 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the lower 50s.
.SATURDAY...Mostly sunny in the morning, then partly cloudy with
a chance of showers and thunderstorms in the afternoon. Highs in
the upper 70s. Chance of rain 30 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers. Lows in
the lower 50s. Chance of rain 20 percent.
.SUNDAY...Partly cloudy with a chance of showers. A chance of
thunderstorms in the afternoon. Highs in the mid 70s. Chance of
rain 50 percent.

$$

WYZ030-182200-
East Sweetwater County-
Including the city of Wamsutter
651 AM MDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower 80s. Southwest winds around
10 mph this afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s. West winds around
10 mph in the evening.
.TUESDAY...Sunny. Highs in the upper 80s.
.TUESDAY NIGHT...Clear. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs around 90. Southwest winds around
10 mph with gusts up to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Highs in the upper 80s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. A chance of showers with a slight chance
of thunderstorms in the afternoon. Highs in the lower 80s. Chance
of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the mid 80s. Chance of rain
30 percent.
.SATURDAY NIGHT...A slight chance of thunderstorms in the
evening. Partly cloudy with a slight chance of showers. Lows in
the mid 50s. Chance of rain 20 percent.
.SUNDAY...Partly cloudy. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. Highs around 80. Chance of rain 40 percent.

$$