Zone Forecast Product
Issued by NWS Riverton, WY

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769
FPUS55 KRIW 172333
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
431 PM MST Mon Nov 17 2025

WYZ020-180045-
Natrona County Lower Elevations-
Including the city of Casper
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered showers. Near steady
temperature in the mid 40s. West winds 10 to 15 mph with gusts up
to 25 mph. Chance of rain 30 percent.
.TONIGHT...Mostly cloudy. Lows in the upper 30s. Southwest winds
10 to 15 mph.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the lower 50s. Southwest winds 10 to 15 mph with
gusts up to 25 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s. West winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy with isolated rain showers.
Isolated snow showers after midnight. Lows in the upper 20s.
Chance of precipitation 20 percent.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.FRIDAY...Partly cloudy. Highs around 50.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50.

$$

WYZ017-180045-
Wind River Basin-
Including the cities of Riverton and Shoshoni
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with isolated showers. Near steady
temperature in the mid 40s. West winds around 10 mph. Chance of
rain 20 percent.
.TONIGHT...Mostly cloudy. Lows in the mid 30s. Southwest winds
around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 50. South winds around 10 mph with gusts up
to 25 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds
around 10 mph.
.WEDNESDAY...Partly cloudy. Highs around 50. Southwest winds
around 10 mph with gusts up to 20 mph in the morning.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.

$$

WYZ018-180045-
Lander Foothills-
Including the city of Lander
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered showers. Near steady
temperature in the mid 40s. Southwest winds around 10 mph. Chance
of rain 30 percent.
.TONIGHT...Mostly cloudy. Lows in the mid 30s. Southwest winds
around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 50s. South winds around 10 mph,
becoming east with gusts up to 25 mph in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Highs around 50. South winds around
10 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.THURSDAY...Mostly sunny. Highs in the mid 40s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SATURDAY...Mostly sunny. Highs in the upper 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.

$$

WYZ028-180045-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Partly cloudy. Highs in the mid 40s. West winds
10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds
around 10 mph in the evening.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Patchy fog in the morning. Highs in the mid 40s.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows
in the upper 20s.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Areas of fog in the morning. Highs in the upper 40s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.THURSDAY...Partly cloudy. Highs in the lower 40s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 20s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 20s.
.SUNDAY...Mostly sunny. Highs in the mid 40s.

$$

WYZ013-180045-
Jackson Hole-
Including the city of Jackson
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered rain and snow showers.
Near steady temperature in the upper 30s. South winds around
10 mph. Chance of precipitation 30 percent.
.TONIGHT...Cloudy. Scattered rain and snow showers in the
evening. Areas of fog. Lows around 30. Chance of precipitation
30 percent.
.TUESDAY...Areas of fog in the morning. Mostly cloudy. Highs in
the mid 40s.
.TUESDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. Scattered snow showers after midnight.
Lows in the mid 20s. Chance of snow 30 percent.
.WEDNESDAY...Widespread fog in the morning. Numerous snow and
rain showers. Little or no snow accumulation. Highs in the lower
40s. Chance of precipitation 60 percent.
.WEDNESDAY NIGHT...Mostly cloudy with scattered rain and snow
showers in the evening, then partly cloudy after midnight. Lows
in the mid 20s. Chance of precipitation 30 percent.
.THURSDAY...Partly cloudy in the morning, then mostly sunny with
isolated rain and snow showers in the afternoon. Highs in the mid
40s. Chance of precipitation 20 percent.
.THURSDAY NIGHT...Isolated rain showers in the evening. Mostly
clear with isolated snow showers. Lows in the lower 20s. Chance
of precipitation 20 percent.
.FRIDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Isolated rain showers in the afternoon. Highs in
the lower 40s. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Isolated rain showers in the evening. Partly
cloudy with isolated snow showers. Lows in the lower 20s. Chance
of precipitation 20 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Scattered rain showers in the
afternoon. Highs in the lower 40s. Chance of precipitation
40 percent.
.SATURDAY NIGHT...Scattered rain showers in the evening. Partly
cloudy with scattered snow showers. Lows in the lower 20s. Chance
of precipitation 40 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Scattered
rain showers in the afternoon. Highs in the lower 40s. Chance of
precipitation 40 percent.

$$

WYZ003-180045-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Highs in the lower 50s.
Northwest winds around 10 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 30s. West winds
around 10 mph.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 50s. Southwest winds around 10 mph
with gusts up to 20 mph, becoming south in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Highs around 50. West winds around
10 mph, becoming northeast in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30.
.THURSDAY...Mostly sunny. Highs in the upper 40s.
.THURSDAY NIGHT...Mostly clear. Lows around 30.
.FRIDAY...Mostly sunny. Highs in the upper 40s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 30.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Isolated rain and snow showers
after midnight. Lows around 30. Chance of precipitation
20 percent.
.SUNDAY...Partly cloudy with scattered rain showers with isolated
snow showers. Highs around 50. Chance of precipitation
30 percent.

$$

WYZ004-180045-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
lower 50s.
.TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows around
40. Southwest winds around 10 mph in the evening.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the mid 50s. Southeast winds around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30.
.THURSDAY...Mostly sunny. Highs in the upper 40s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Mostly sunny. Highs in the upper 40s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 30.
.SATURDAY...Partly cloudy. Highs in the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Isolated snow showers in the morning. Partly cloudy
with isolated rain showers. Highs around 50. Chance of
precipitation 20 percent.

$$

WYZ006-180045-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
upper 40s.
.TONIGHT...Mostly cloudy. Lows around 40.
.TUESDAY...Mostly cloudy. Highs in the mid 50s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. South
winds around 10 mph in the evening.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.THURSDAY...Mostly sunny. Highs around 50.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.

$$

WYZ005-180045-
Southwest Bighorn Basin-
Including the city of Thermopolis
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
upper 40s.
.TONIGHT...Mostly cloudy. Lows around 40.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 50s. Southeast winds around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph in the evening.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30.
.THURSDAY...Mostly sunny. Highs around 50.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 50.

$$

WYZ023-180045-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy. Near steady temperature in the upper
30s.
.TONIGHT...Mostly cloudy. Areas of fog. Lows in the upper 20s.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Widespread fog in the morning. Highs in the mid 40s.
.TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with scattered rain and snow showers after midnight. Patchy fog
in the evening. Areas of fog after midnight. Little or no snow
accumulation. Lows in the mid 20s. Chance of precipitation
50 percent.
.WEDNESDAY...Scattered snow showers in the morning. Widespread
fog in the morning. Numerous rain showers. Little or no snow
accumulation. Highs in the mid 40s. Chance of precipitation
60 percent.
.WEDNESDAY NIGHT...Partly cloudy. Isolated rain showers in the
evening. Lows in the mid 20s. Chance of rain 20 percent.
.THURSDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Isolated rain showers in the afternoon. Highs in
the mid 40s. Chance of precipitation 20 percent.
.THURSDAY NIGHT...Isolated rain showers in the evening. Partly
cloudy with isolated snow showers. Lows in the lower 20s. Chance
of precipitation 20 percent.
.FRIDAY...Partly cloudy with isolated snow and rain showers.
Highs in the lower 40s. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Isolated rain showers in the
morning, then scattered rain showers in the afternoon. Highs in
the lower 40s. Chance of precipitation 30 percent.
.SATURDAY NIGHT...Isolated rain showers in the evening. Partly
cloudy with isolated snow showers. Lows in the lower 20s. Chance
of precipitation 20 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Scattered
rain showers in the afternoon. Highs in the mid 40s. Chance of
precipitation 30 percent.

$$

WYZ025-180045-
Upper Green River Basin Foothills-
Including the city of Pinedale
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy. Areas of fog. Lows in the mid 20s.
Northwest winds around 10 mph in the evening.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Areas of fog in the morning. Highs in the lower 40s.
.TUESDAY NIGHT...Partly cloudy. Patchy fog in the evening. Areas
of fog after midnight. Lows in the lower 20s.
.WEDNESDAY...Widespread fog in the morning. Mostly cloudy with
scattered snow showers. Scattered rain showers in the afternoon.
Highs around 40. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Cold with lows around 20.
.THURSDAY...Mostly sunny. Highs in the lower 40s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 20.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.FRIDAY NIGHT...Mostly clear. Cold with lows 15 to 20.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows 15 to 20.
.SUNDAY...Partly cloudy with scattered snow showers. Highs in the
lower 40s. Chance of snow 30 percent.

$$

WYZ026-180045-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature around
40. West winds around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. Patchy fog after midnight. Lows in the
mid 20s. West winds around 10 mph in the evening.
.TUESDAY...Areas of fog in the morning. Mostly cloudy. Highs in
the lower 40s.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog in the evening. Areas
of fog after midnight. Lows in the lower 20s.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Areas of fog in the morning. Highs in the lower 40s.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 20.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.THURSDAY NIGHT...Partly cloudy. Lows around 20.
.FRIDAY...Partly cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold
with lows around 20.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear. Cold with lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.

$$

WYZ010-180045-
Northeast Johnson County-
Including the city of Buffalo
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
upper 40s. North winds around 10 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Lows around 40.
.TUESDAY...Mostly cloudy. Highs in the mid 50s. Southeast winds
around 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 30s.
.WEDNESDAY...Partly cloudy. Highs in the lower 50s. West winds
around 10 mph, becoming north in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 40s.
.THURSDAY NIGHT...Mostly clear. Lows around 30.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 50s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy. Highs in the lower 50s.
.SATURDAY NIGHT...Partly cloudy. Lows around 30.
.SUNDAY...Partly cloudy. Highs in the lower 50s.

$$

WYZ011-180045-
Southeast Johnson County-
Including the city of Kaycee
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy. Near steady temperature in the upper
40s. North winds around 10 mph.
.TONIGHT...Mostly cloudy. Lows in the upper 30s.
.TUESDAY...Mostly cloudy. Highs in the mid 50s. South winds
around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph with gusts up to 20 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 50s. West winds
around 10 mph, becoming north in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs
around 50.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 50s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 50s.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 50s.

$$

WYZ027-180045-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Partly cloudy. Near steady temperature in the
upper 30s. West winds 10 to 15 mph.
.TONIGHT...Mostly cloudy. Areas of fog after midnight. Lows in
the upper 20s. West winds around 10 mph in the evening.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Areas of fog in the morning. Highs in the lower 40s.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows
in the mid 20s.
.WEDNESDAY...Partly cloudy. Scattered rain and snow showers in
the morning. Areas of fog in the morning. Highs in the mid 40s.
Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.THURSDAY...Partly cloudy. Highs in the lower 40s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs around 40.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear. Lows around 20.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.

$$

WYZ016-180045-
Upper Wind River Basin-
Including the city of Dubois
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy. Near steady temperature in the lower
40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
.TONIGHT...Mostly cloudy. Lows in the lower 30s. Northwest winds
10 to 15 mph.
.TUESDAY...Partly cloudy. Highs in the upper 40s. West winds
around 10 mph with gusts up to 20 mph.
.TUESDAY NIGHT...Partly cloudy. Lows around 30. Northwest winds
10 to 15 mph.
.WEDNESDAY...Partly cloudy with scattered snow showers. Scattered
rain showers in the afternoon. Highs in the mid 40s. West winds
around 10 mph. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 20s.
.THURSDAY...Mostly sunny. Highs in the mid 40s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the mid 40s.
.SATURDAY NIGHT...Mostly clear with scattered snow showers with
isolated rain showers. Breezy with lows in the mid 20s. Chance of
precipitation 30 percent.
.SUNDAY...Mostly sunny with scattered snow showers. Isolated rain
showers in the morning, then scattered rain showers in the
afternoon. Breezy with highs in the mid 40s. Chance of
precipitation 30 percent.

$$

WYZ001-180045-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered snow showers with
isolated rain showers. Near steady temperature in the mid 30s.
Southwest winds around 10 mph. Chance of precipitation
30 percent.
.TONIGHT...Scattered rain showers in the evening. Cloudy with
scattered snow showers. Lows in the upper 20s. Southwest winds
around 10 mph. Chance of precipitation 30 percent.
.TUESDAY...Cloudy. Highs in the upper 30s. Southwest winds around
10 mph.
.TUESDAY NIGHT...Mostly cloudy. Scattered snow showers after
midnight. Lows in the mid 20s. Southwest winds around 10 mph.
Chance of snow 30 percent.
.WEDNESDAY...Areas of fog in the morning. Mostly cloudy with
numerous snow showers. Little or no snow accumulation. Highs in
the upper 30s. Southwest winds around 10 mph. Chance of snow
60 percent.
.WEDNESDAY NIGHT...Partly cloudy with scattered snow showers in
the evening, then mostly cloudy after midnight. Lows in the mid
20s. Chance of snow 30 percent.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 30s.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 20s.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Highs in the mid 30s. Chance of
snow 30 percent.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Scattered snow showers. Lows in the lower 20s.
Chance of snow 30 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Highs in the mid 30s. Chance of
snow 40 percent.

$$

WYZ029-180045-
Flaming Gorge-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Partly cloudy. Near steady temperature in the
lower 40s. West winds 10 to 15 mph.
.TONIGHT...Partly cloudy. Lows around 30. Southwest winds around
10 mph in the evening.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Areas of fog in the morning. Highs in the mid 40s.
Southeast winds around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows around 30. South winds
around 10 mph.
.WEDNESDAY...Patchy fog in the morning. Partly cloudy. Highs in
the upper 40s. South winds around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.THURSDAY...Partly cloudy. Highs in the lower 40s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 30.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.

$$

WYZ022-180045-
Casper Mountain-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Numerous rain and snow showers. Little or no
snow accumulation. Near steady temperature in the upper 30s. West
winds 10 to 15 mph with gusts up to 25 mph. Chance of
precipitation 70 percent.
.TONIGHT...Cloudy with scattered rain and snow showers. Lows in
the lower 30s. Southwest winds 10 to 15 mph with gusts up to
25 mph. Chance of precipitation 30 percent.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Highs in the mid 40s. Southwest winds 10 to 15 mph with
gusts up to 25 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Breezy with lows in the lower 30s. Southwest winds
15 to 20 mph with gusts up to 30 mph.
.WEDNESDAY...Partly cloudy. Highs in the mid 40s. Southwest winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy with isolated rain and snow
showers. Lows in the upper 20s. Chance of precipitation
20 percent.
.THURSDAY...Mostly sunny. Highs in the mid 40s.
.THURSDAY NIGHT...Partly cloudy with isolated rain and snow
showers. Lows in the upper 20s. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy with isolated rain and snow showers.
Highs around 40. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 20s.
.SUNDAY...Mostly sunny and breezy. Highs in the lower 40s.

$$

WYZ002-180045-
Absaroka Mountains-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy with scattered snow showers. Near
steady temperature in the mid 30s. Northwest winds around 10 mph
with gusts up to 20 mph. Chance of snow 30 percent.
.TONIGHT...Mostly cloudy with scattered snow showers. Lows in the
upper 20s. West winds around 10 mph with gusts up to 20 mph.
Chance of snow 30 percent.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 30s. West winds around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. West winds
10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY...Mostly cloudy with scattered snow showers. Highs in
the mid 30s. West winds around 10 mph. Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Scattered snow showers in the
evening. Lows in the lower 20s. Chance of snow 30 percent.
.THURSDAY...Mostly sunny. Highs in the upper 30s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 20s.
.FRIDAY...Mostly sunny. Highs in the mid 30s.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Breezy with lows in the lower 20s.
.SATURDAY...Partly cloudy. Scattered snow showers in the
afternoon. Breezy with highs in the mid 30s. Chance of snow
30 percent.
.SATURDAY NIGHT...Partly cloudy with scattered snow showers.
Breezy with lows in the mid 20s. Chance of snow 30 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Breezy with
highs in the mid 30s. Chance of snow 40 percent.

$$

WYZ007-180045-
Owl Creek and Bridger Mountains-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
lower 40s.
.TONIGHT...Mostly cloudy. Lows in the upper 30s. West winds
around 10 mph, becoming south after midnight.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the upper 40s. South winds around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 40s. Southwest
winds around 10 mph, becoming southeast in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows around 30.
.THURSDAY...Mostly sunny. Highs in the mid 40s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 30.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.

$$

WYZ008-180045-
Bighorn Mountains West-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
upper 30s.
.TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds
around 10 mph in the evening.
.TUESDAY...Mostly cloudy. Scattered snow showers with isolated
rain showers in the morning. Highs in the lower 40s. South winds
around 10 mph. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 30. Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 40s. West winds
around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Isolated rain and snow showers. Lows in the upper 20s. Chance of
precipitation 20 percent.
.THURSDAY...Mostly sunny. Highs in the lower 40s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.FRIDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy. Highs in the upper 30s.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 20s.
.SUNDAY...Partly cloudy with scattered snow showers with isolated
rain showers. Highs around 40. Chance of precipitation
30 percent.

$$

WYZ009-180045-
Bighorn Mountains Southeast-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature around
40. Northwest winds around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. Lows in the mid 30s. West winds 10 to
15 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 40s. Southwest winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows around 30. West winds 10 to 15 mph with gusts
up to 25 mph.
.WEDNESDAY...Partly cloudy. Highs in the lower 40s. West winds
around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Isolated rain and snow showers. Lows in the upper 20s. Chance of
precipitation 20 percent.
.THURSDAY...Mostly sunny. Highs in the lower 40s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the upper 20s.
.SUNDAY...Partly cloudy with isolated snow showers. Highs in the
lower 40s. Chance of snow 20 percent.

$$

WYZ012-180045-
Teton and Gros Ventre Mountains-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered snow and rain showers.
Near steady temperature in the lower 30s. Chance of precipitation
30 percent.
.TONIGHT...Scattered rain showers in the evening. Cloudy with
scattered snow showers. Patchy fog. Lows in the mid 20s. Chance
of precipitation 30 percent.
.TUESDAY...Patchy fog in the morning. Mostly cloudy. Highs in the
mid 30s.
.TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with scattered snow showers after midnight. Lows in the mid 20s.
Chance of snow 30 percent.
.WEDNESDAY...Mostly cloudy with numerous snow showers. Little or
no snow accumulation. Highs in the mid 30s. Chance of snow
60 percent.
.WEDNESDAY NIGHT...Mostly cloudy with scattered snow showers in
the evening, then partly cloudy after midnight. Lows in the lower
20s. Chance of snow 30 percent.
.THURSDAY...Partly cloudy in the morning, then mostly sunny with
isolated snow showers in the afternoon. Highs in the upper 30s.
Chance of snow 20 percent.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Highs in the mid 30s. Chance of snow 20 percent.
.FRIDAY NIGHT...Partly cloudy with isolated snow showers. Lows in
the lower 20s. Chance of snow 20 percent.
.SATURDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Scattered snow showers. Highs in the lower 30s. Chance of
snow 30 percent.
.SATURDAY NIGHT...Partly cloudy with scattered snow showers. Lows
in the lower 20s. Chance of snow 40 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Highs in the
mid 30s. Chance of snow 40 percent.

$$

WYZ014-180045-
Wind River Mountains West-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered snow showers. Near steady
temperature in the lower 30s. Northwest winds around 10 mph with
gusts up to 20 mph. Chance of snow 30 percent.
.TONIGHT...Mostly cloudy. Lows in the lower 20s. West winds
around 10 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 30s. Southwest winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 20s. West winds
around 10 mph.
.WEDNESDAY...Mostly cloudy with scattered snow showers. Highs in
the mid 30s. West winds around 10 mph with gusts up to 20 mph.
Chance of snow 40 percent.
.WEDNESDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Cold with lows around 20. Chance of snow 20 percent.
.THURSDAY...Mostly sunny. Highs in the mid 30s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Cold with lows around 20.
.FRIDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Highs in the mid 30s. Chance of snow 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Cold
with lows 14 to 22.
.SATURDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Highs in the mid 30s. Chance of snow 20 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with scattered snow showers after midnight. Cold with lows 16 to
22. Chance of snow 30 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Highs in the
mid 30s. Chance of snow 30 percent.

$$

WYZ015-180045-
Wind River Mountains East-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with isolated snow showers. Near steady
temperature in the lower 30s. Northwest winds around 10 mph with
gusts up to 20 mph. Chance of snow 20 percent.
.TONIGHT...Mostly cloudy. Lows in the mid 20s. West winds around
10 mph with gusts up to 20 mph.
.TUESDAY...Mostly cloudy. Highs in the upper 30s. Southwest winds
around 10 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 20s. West winds 10 to 15 mph with
gusts up to 25 mph.
.WEDNESDAY...Partly cloudy with scattered snow showers. Highs in
the mid 30s. West winds around 10 mph with gusts up to 20 mph.
Chance of snow 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. Isolated snow showers in the
evening. Lows in the lower 20s. Chance of snow 20 percent.
.THURSDAY...Mostly sunny. Highs in the mid 30s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 20s.
.FRIDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Highs in the mid 30s. Chance of snow 20 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then clearing.
Breezy, cold with lows around 20.
.SATURDAY...Partly cloudy in the morning, then clearing. Isolated
snow showers. Breezy with highs in the mid 30s. Chance of snow
20 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Scattered snow showers. Breezy with lows in the
lower 20s. Chance of snow 30 percent.
.SUNDAY...Partly cloudy in the morning, then clearing. Scattered
snow showers. Breezy with highs in the mid 30s. Chance of snow
30 percent.

$$

WYZ019-180045-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Cloudy with scattered rain showers. Near steady
temperature around 40. West winds 10 to 15 mph with gusts up to
25 mph. Chance of rain 30 percent.
.TONIGHT...Mostly cloudy. Lows in the lower 30s. Southwest winds
10 to 15 mph.
.TUESDAY...Partly cloudy in the morning, then becoming mostly
cloudy. Breezy with highs in the mid 40s. Southwest winds 15 to
20 mph.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the upper 20s. Southwest winds 10 to
15 mph with gusts up to 25 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 40s. Southwest
winds 10 to 15 mph with gusts up to 25 mph.
.WEDNESDAY NIGHT...Partly cloudy with isolated rain showers.
Isolated snow showers after midnight. Lows in the upper 20s.
Chance of precipitation 20 percent.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.
.THURSDAY NIGHT...Partly cloudy. Isolated rain and snow showers
after midnight. Lows in the upper 20s. Chance of precipitation
20 percent.
.FRIDAY...Partly cloudy with isolated rain and snow showers.
Highs in the lower 40s. Chance of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 40s.

$$

WYZ024-180045-
Salt River and Wyoming Ranges-
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy. Near steady temperature in the
lower 30s. West winds around 10 mph with gusts up to 20 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows in the mid 20s. West
winds around 10 mph in the evening.
.TUESDAY...Patchy fog in the morning. Partly cloudy. Highs in the
upper 30s.
.TUESDAY NIGHT...Patchy fog in the evening. Partly cloudy in the
evening, then mostly cloudy with scattered snow showers after
midnight. Lows in the mid 20s. Chance of snow 40 percent.
.WEDNESDAY...Areas of fog in the morning. Mostly cloudy with
numerous snow showers. Scattered rain showers in the afternoon.
Little or no snow accumulation. Highs in the upper 30s. Chance of
precipitation 60 percent.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.THURSDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 30s.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.FRIDAY...Partly cloudy with scattered snow showers. Highs in the
mid 30s. Chance of snow 30 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s.
.SATURDAY...Partly cloudy with scattered snow showers. Highs in
the mid 30s. Chance of snow 30 percent.
.SATURDAY NIGHT...Mostly clear in the evening, then partly cloudy
with scattered snow showers after midnight. Lows in the lower
20s. Chance of snow 30 percent.
.SUNDAY...Partly cloudy with scattered snow showers. Highs in the
upper 30s. Chance of snow 40 percent.

$$

WYZ030-180045-
East Sweetwater County-
Including the city of Wamsutter
431 PM MST Mon Nov 17 2025

.THIS AFTERNOON...Mostly cloudy and breezy. Near steady
temperature in the upper 30s. West winds 15 to 20 mph with gusts
up to 30 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Lows in the upper 20s. Southwest winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Highs in the mid 40s. South winds 10 to
15 mph.
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. South
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Highs in the upper 40s. Southwest
winds 10 to 15 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.THURSDAY...Partly cloudy. Highs in the mid 40s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the upper 20s.
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Isolated rain and snow showers. Highs around 40. Chance
of precipitation 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s.
.SATURDAY...Partly cloudy in the morning, then clearing. Highs
around 40.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 20s.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 40s.

$$