Zone Forecast Product
Issued by NWS Riverton, WY

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460
FPUS55 KRIW 191533
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
932 AM MDT Sat Sep 19 2026

WYZ020-192200-
Natrona County Lower Elevations-
Including the city of Casper
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers and thunderstorms this afternoon. Highs around 70. West
winds around 10 mph. Chance of rain 30 percent.
.TONIGHT...Showers with a chance of thunderstorms. Lows in the
mid 40s. Northwest winds around 10 mph with gusts up to 20 mph.
Chance of rain 80 percent.
.SUNDAY...Mostly cloudy with showers likely. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon. Highs in the lower 60s. West winds 10 to 15 mph
with gusts up to 30 mph. Chance of rain 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows around 40. North winds around
10 mph with gusts up to 20 mph in the evening.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows around 50.
Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy and breezy. Highs in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 50.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s.

$$

WYZ017-192200-
Wind River Basin-
Including the cities of Riverton and Shoshoni
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers likely with a chance of thunderstorms this afternoon.
Highs in the upper 60s. Northwest winds around 10 mph. Chance of
rain 60 percent.
.TONIGHT...Showers. A chance of thunderstorms, mainly in the
evening. Patchy fog after midnight. Lows in the mid 40s. North
winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of
rain 80 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of showers. A slight chance of thunderstorms in
the afternoon. Highs in the lower 60s. Northwest winds around
10 mph, becoming north with gusts up to 20 mph in the afternoon.
Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows around 50.
Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s.

$$

WYZ018-192200-
Lander Foothills-
Including the city of Lander
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers likely with a chance of thunderstorms this afternoon.
Highs in the upper 60s. North winds around 10 mph this afternoon.
Chance of rain 60 percent.
.TONIGHT...Showers with a chance of thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Patchy fog after midnight. Lows in the lower 40s. North
winds around 10 mph in the evening. Chance of rain 80 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of showers. A slight chance of thunderstorms in
the afternoon. Highs in the lower 60s. Chance of rain 30 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the lower 40s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a slight chance of showers. Lows in the upper
40s. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 70s.

$$

WYZ028-192200-
Rock Springs and Green River-
Including the cities of Rock Springs and Green River
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. Showers with a
chance of thunderstorms this afternoon. Highs in the mid 60s.
West winds around 10 mph with gusts up to 20 mph this afternoon.
Chance of rain 80 percent.
.TONIGHT...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Lows in the mid 30s. West
winds around 10 mph. Chance of rain 30 percent.
.SUNDAY...Mostly sunny. Highs in the lower 60s. West winds around
10 mph with gusts up to 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Southwest
winds around 10 mph in the evening.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 40.
.TUESDAY...Partly cloudy. A chance of showers with a slight
chance of thunderstorms in the afternoon. Highs around 70. Chance
of rain 30 percent.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows around 40. Chance of
rain 40 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. A
slight chance of. Highs around 70.
.WEDNESDAY NIGHT...Mostly clear. Lows around 40.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. A slight
chance of. Highs in the lower 70s.

$$

WYZ013-192200-
Jackson Hole-
Including the city of Jackson
932 AM MDT Sat Sep 19 2026

.TODAY...Patchy fog this morning. Showers. A slight chance of
thunderstorms this morning, then a chance of thunderstorms this
afternoon. Some thunderstorms may produce heavy rainfall this
morning. Highs in the upper 50s. Chance of rain 80 percent.
.TONIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of rain showers. Patchy fog. Lows in
the mid 30s. Chance of rain 30 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of. Highs in the lower 60s.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 30s.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.
.TUESDAY NIGHT...Mostly cloudy with a slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight. Lows in the lower 40s. Chance
of rain 30 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon. Highs in the upper 60s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows around 40.
.FRIDAY...Mostly sunny. Highs in the lower 70s.

$$

WYZ003-192200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Mostly cloudy. Patchy fog this morning. Showers likely
with a slight chance of thunderstorms this morning, then showers
with a chance of thunderstorms this afternoon. Some thunderstorms
may produce heavy rainfall this morning. Some thunderstorms may
produce heavy rainfall this afternoon. Breezy with highs around
60. North winds 15 to 20 mph with gusts up to 30 mph. Chance of
rain 90 percent.
.TONIGHT...A slight chance of thunderstorms in the evening.
Cloudy with showers likely. Patchy fog after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Breezy
with lows in the mid 40s. North winds 15 to 20 mph, becoming
northwest around 10 mph after midnight. Chance of rain
60 percent.
.SUNDAY...Mostly cloudy with showers likely. A slight chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Highs in the upper 50s.
Northeast winds around 10 mph in the afternoon. Chance of rain
60 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows
in the mid 40s. Northwest winds around 10 mph in the evening.
.MONDAY...Mostly sunny. Highs in the mid 60s. East winds around
10 mph with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of showers and thunderstorms. Lows
in the lower 50s. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy. Highs in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$

WYZ004-192200-
North Bighorn Basin-
Including the cities of Basin, Greybull, Lovell, Powell,
and Shell
932 AM MDT Sat Sep 19 2026

.TODAY...Patchy fog this morning. Showers likely with a slight
chance of thunderstorms this morning, then showers with a chance
of thunderstorms this afternoon. Some thunderstorms may produce
heavy rainfall this morning. Breezy with highs in the mid 60s.
Northwest winds 10 to 15 mph with gusts up to 25 mph, increasing
to 20 to 25 mph with gusts up to 35 mph this afternoon. Chance of
rain 80 percent.
.TONIGHT...A slight chance of thunderstorms in the evening.
Showers likely. Breezy with lows in the mid 40s. Northwest winds
15 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent.
.SUNDAY...Mostly cloudy with a chance of showers. A slight chance
of thunderstorms in the afternoon. Highs in the lower 60s.
Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain 30 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the mid 40s. Northwest winds around 10 mph
with gusts up to 20 mph in the evening.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 70. Southeast winds around 10 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms after midnight. Lows around 50. Chance of rain
20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.

$$

WYZ006-192200-
Southeast Bighorn Basin-
Including the cities of Ten Sleep and Worland
932 AM MDT Sat Sep 19 2026

.TODAY...Mostly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers with a chance of thunderstorms this afternoon. Some
thunderstorms may produce heavy rainfall this morning. Breezy
with highs in the upper 60s. West winds around 10 mph, becoming
northwest 15 to 20 mph with gusts up to 30 mph this afternoon.
Chance of rain 80 percent.
.TONIGHT...A chance of thunderstorms in the evening. Showers,
breezy with lows in the mid 40s. Northwest winds 15 to 20 mph
with gusts up to 30 mph. Chance of rain 80 percent.
.SUNDAY...Mostly cloudy. Showers likely in the morning, then a
chance of showers with a slight chance of thunderstorms in the
afternoon. Highs in the lower 60s. Northwest winds around 10 mph.
Chance of rain 60 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 40s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs
around 70.
.MONDAY NIGHT...Clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. A slight chance of showers after
midnight. Lows in the lower 50s. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs in the lower 80s.

$$

WYZ005-192200-
Southwest Bighorn Basin-
Including the city of Thermopolis
932 AM MDT Sat Sep 19 2026

.TODAY...Mostly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers with a chance of thunderstorms this afternoon. Some
thunderstorms may produce heavy rainfall this morning. Highs in
the mid 60s. Northwest winds 10 to 15 mph. Chance of rain
80 percent.
.TONIGHT...A chance of thunderstorms in the evening. Showers.
Patchy fog after midnight. Breezy with lows in the mid 40s.
Northwest winds 15 to 20 mph with gusts up to 30 mph, diminishing
to around 10 mph with gusts up to 20 mph after midnight. Chance
of rain 80 percent.
.SUNDAY...Mostly cloudy. A chance of showers in the morning.
Highs in the lower 60s. North winds around 10 mph. Chance of rain
50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.MONDAY...Mostly sunny. Highs around 70.
.MONDAY NIGHT...Clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 50s. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the mid 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Mostly sunny. Highs around 80.

$$

WYZ023-192200-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch,
and Thayne
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers likely with a chance of thunderstorms this afternoon.
Some thunderstorms may produce heavy rainfall this morning. Highs
around 60. Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of rain showers with a
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Patchy fog. Lows in the lower 30s. Chance of rain
30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 60s.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s.
.MONDAY...Sunny. Highs around 70.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 30s.
.TUESDAY...Partly cloudy. A slight chance of. Highs in the lower
70s.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the lower 40s. Chance of
rain 40 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon. Highs around 70. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs in the mid 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s.
.FRIDAY...Mostly sunny. Highs in the mid 70s.

$$

WYZ025-192200-
Upper Green River Basin Foothills-
Including the city of Pinedale
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy this morning, then becoming mostly cloudy.
Patchy fog this morning. Showers likely. A slight chance of
thunderstorms this morning, then a chance of thunderstorms this
afternoon. Some thunderstorms may produce heavy rainfall this
morning. Highs around 60. Chance of rain 60 percent.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. A slight chance of. Patchy fog after midnight. Lows in
the lower 30s. Northwest winds around 10 mph.
.SUNDAY...Partly cloudy. Highs around 60. Northwest winds around
10 mph with gusts up to 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Northwest
winds around 10 mph in the evening.
.MONDAY...Mostly sunny. Highs in the mid 60s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the upper 60s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Lows around 40. Chance of rain
40 percent.
.WEDNESDAY...Partly cloudy with a slight chance of rain showers.
A slight chance of thunderstorms in the afternoon. Highs in the
mid 60s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Sunny. Highs around 70.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 30s.
.FRIDAY...Mostly sunny. A slight chance of. Highs around 70.

$$

WYZ026-192200-
Upper Green River Basin-
Including the cities of La Barge, Big Piney, and Farson
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers likely with a chance of thunderstorms this afternoon.
Some thunderstorms may produce heavy rainfall this morning. Highs
in the lower 60s. West winds around 10 mph with gusts up to
20 mph this afternoon. Chance of rain 60 percent.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. A slight chance of thunderstorms in the evening. A chance
of rain showers. Patchy fog after midnight. Lows in the lower
30s. Northwest winds around 10 mph. Chance of rain 30 percent.
.SUNDAY...Partly cloudy. Highs around 60. Gusts up to 20 mph in
the afternoon.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the lower 30s.
.MONDAY...Mostly sunny. Highs in the mid 60s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the upper 60s.
.TUESDAY NIGHT...Mostly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows around 40. Chance of rain
30 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 40.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 70s.

$$

WYZ010-192200-
Northeast Johnson County-
Including the city of Buffalo
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Mostly cloudy. Showers likely with a slight chance of
thunderstorms this morning, then showers with a chance of
thunderstorms this afternoon. Some thunderstorms may produce
heavy rainfall this morning. Some thunderstorms may produce heavy
rainfall this afternoon. Highs in the upper 60s. North winds
around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.
.TONIGHT...Showers with a chance of thunderstorms in the evening,
then showers likely with a slight chance of thunderstorms after
midnight. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall after
midnight. Lows around 50. Northwest winds 10 to 15 mph. Chance of
rain 80 percent.
.SUNDAY...Showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the morning. Some
thunderstorms may produce heavy rainfall in the afternoon. Highs
in the lower 60s. North winds 10 to 15 mph with gusts up to
25 mph. Chance of rain 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Lows around 50. Northwest
winds around 10 mph with gusts up to 20 mph in the evening.
Chance of rain 30 percent.
.MONDAY...Mostly cloudy in the morning, then clearing. Highs in
the upper 60s. South winds around 10 mph.
.MONDAY NIGHT...Mostly clear. Lows around 50.
.TUESDAY...Mostly sunny. Highs in the mid 70s.
.TUESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. A slight chance of. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy with a chance of showers. A slight
chance of thunderstorms in the afternoon. Highs in the upper 70s.
Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s.
.FRIDAY...Mostly sunny and breezy. Highs around 80.

$$

WYZ011-192200-
Southeast Johnson County-
Including the city of Kaycee
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Partly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers with a chance of thunderstorms this afternoon. Some
thunderstorms may produce heavy rainfall. Highs around 70. North
winds around 10 mph with gusts up to 20 mph this afternoon.
Chance of rain 80 percent.
.TONIGHT...A chance of thunderstorms. Showers. Some thunderstorms
may produce heavy rainfall. Lows around 50. North winds around
10 mph with gusts up to 20 mph in the evening. Chance of rain
80 percent.
.SUNDAY...Showers likely with a slight chance of thunderstorms in
the morning, then showers with a chance of thunderstorms in the
afternoon. Some thunderstorms may produce heavy rainfall in the
morning. Some thunderstorms may produce heavy rainfall in the
afternoon. Highs in the lower 60s. North winds around 10 mph with
gusts up to 20 mph. Chance of rain 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight
chance of thunderstorms in the evening. Lows in the mid 40s.
North winds around 10 mph with gusts up to 20 mph in the evening.
Chance of rain 30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs in the upper 70s.
.TUESDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 50s.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Partly cloudy in the morning, then clearing. Breezy
with highs in the lower 80s.

$$

WYZ027-192200-
South Lincoln County-
Including the cities of Kemmerer and Cokeville
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. A chance of showers and thunderstorms
this afternoon. Highs around 60. West winds 10 to 15 mph this
afternoon. Chance of rain 30 percent.
.TONIGHT...Partly cloudy in the evening, then clearing. Patchy
fog after midnight. Lows in the lower 30s. Northwest winds around
10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 60s. West winds around
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest
winds around 10 mph in the evening.
.MONDAY...Mostly sunny. Highs in the mid 60s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 30s.
.TUESDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Highs around 70. Chance
of rain 30 percent.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Mostly cloudy with a chance of showers. Lows around 40. Chance of
rain 30 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
around 70.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs around 70.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 70s.

$$

WYZ016-192200-
Upper Wind River Basin-
Including the city of Dubois
932 AM MDT Sat Sep 19 2026

.TODAY...Mostly cloudy. Patchy fog this morning. A chance of
showers with a slight chance of thunderstorms this morning, then
showers with a chance of thunderstorms this afternoon. Some
thunderstorms may produce heavy rainfall this morning. Highs
around 60. Northwest winds 10 to 15 mph. Chance of rain
80 percent.
.TONIGHT...Rain showers with a chance of thunderstorms in the
evening, then rain showers likely with a slight chance of
thunderstorms after midnight. Patchy fog after midnight. Lows
around 40. Northwest winds around 10 mph in the evening. Chance
of rain 80 percent.
.SUNDAY...Partly cloudy. A chance of rain showers with a slight
chance of thunderstorms in the afternoon. Highs around 60. East
winds around 10 mph with gusts up to 20 mph in the afternoon.
Chance of rain 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Lows around 40. Southeast winds around
10 mph in the evening. Chance of rain 30 percent.
.MONDAY...Mostly sunny. Highs in the lower 60s. Southeast winds
around 10 mph with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 40.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 60s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A slight chance of thunderstorms in the evening. A
chance of showers. Lows in the mid 40s. Chance of rain
40 percent.
.WEDNESDAY...Partly cloudy with a chance of showers in the
morning, then mostly sunny with a slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s. Chance of
rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s.
.THURSDAY...Sunny. Highs around 70.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 40s.
.FRIDAY...Mostly sunny. Highs around 70.

$$

WYZ001-192200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Patchy fog this morning. Rain showers. A slight chance
of thunderstorms this morning, then a chance of thunderstorms
this afternoon. Some thunderstorms may produce heavy rainfall
this morning. Some thunderstorms may produce heavy rainfall this
afternoon. Highs around 50. Chance of rain 80 percent.
.TONIGHT...Cloudy. Rain showers likely with a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Patchy fog. Some thunderstorms may produce heavy
rainfall in the evening. Lows in the mid 30s. Chance of rain
60 percent.
.SUNDAY...Mostly cloudy with a chance of rain showers. A slight
chance of thunderstorms in the afternoon. Some thunderstorms may
produce heavy rainfall in the afternoon. Highs in the mid 50s.
Chance of rain 30 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 60s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 30s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 60s.
.TUESDAY NIGHT...Partly cloudy with a slight chance of
thunderstorms. A chance of rain showers after midnight. Lows in
the upper 30s. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the afternoon. Highs in the
lower 60s. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Mostly sunny. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly clear. Lows around 40.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s.

$$

WYZ029-192200-
Flaming Gorge-
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Patchy fog this morning. Showers with a
chance of thunderstorms this afternoon. Highs in the lower 60s.
Southwest winds around 10 mph, becoming west with gusts up to
20 mph this afternoon. Chance of rain 80 percent.
.TONIGHT...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms in the evening, then partly cloudy after
midnight. Lows around 40. West winds around 10 mph in the
evening. Chance of rain 30 percent.
.SUNDAY...Mostly sunny. Highs in the lower 60s. West winds around
10 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 40.
.MONDAY...Mostly sunny. Highs in the upper 60s.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 40s.
.TUESDAY...Partly cloudy. A slight chance of. Highs in the lower
70s.
.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of thunderstorms in the evening. A
chance of showers. Lows in the mid 40s. Chance of rain
40 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. A
slight chance of. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. A slight
chance of. Highs in the lower 70s.

$$

WYZ022-192200-
Casper Mountain-
932 AM MDT Sat Sep 19 2026

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

$$

WYZ002-192200-
Absaroka Mountains-
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Mostly cloudy. Patchy fog this morning. Rain showers
likely with a slight chance of thunderstorms this morning, then
rain showers, a chance of thunderstorms and snow showers this
afternoon. Some thunderstorms may produce heavy rainfall this
morning. Some thunderstorms may produce heavy rainfall this
afternoon. Little or no snow accumulation. Highs around 50. West
winds around 10 mph this afternoon. Chance of precipitation
80 percent.
.TONIGHT...Cloudy. Rain showers with possible snow showers and
thunderstorms likely in the evening, then rain showers likely
with a chance of snow showers after midnight. Patchy fog after
midnight. Some thunderstorms may produce heavy rainfall in the
evening. Little or no snow accumulation. Lows in the mid 30s.
Northwest winds around 10 mph in the evening. Chance of
precipitation 80 percent.
.SUNDAY...Cloudy. A chance of rain showers in the morning, then
rain showers likely with a slight chance of thunderstorms in the
afternoon. Some thunderstorms may produce heavy rainfall in the
afternoon. Highs in the upper 40s. North winds around 10 mph in
the afternoon. Chance of rain 60 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then partly
cloudy after midnight. Lows in the mid 30s. Chance of rain
30 percent.
.MONDAY...Mostly sunny. Highs in the mid 50s. Southwest winds
around 10 mph with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 50s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of rain showers with a slight chance of
thunderstorms. Lows in the lower 40s. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
slight chance of thunderstorms in the afternoon. Highs in the
upper 50s. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs in the lower 60s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 40s.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ007-192200-
Owl Creek and Bridger Mountains-
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Mostly cloudy with a chance of showers with a slight
chance of thunderstorms this morning, then partly cloudy with
showers with a chance of thunderstorms this afternoon. Some
thunderstorms may produce heavy rainfall. Highs in the lower 60s.
North winds 10 to 15 mph. Chance of rain 80 percent.
.TONIGHT...Showers. A chance of thunderstorms, mainly in the
evening. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall after
midnight. Breezy with lows in the mid 40s. North winds 15 to
20 mph. Chance of rain 80 percent.
.SUNDAY...Mostly cloudy with showers likely in the morning, then
partly cloudy with a chance of showers with a slight chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Highs in the mid 50s. North
winds around 10 mph. Chance of rain 60 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 40s. North winds around 10 mph
in the evening.
.MONDAY...Mostly sunny. Highs in the lower 60s. South winds
around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 40s.
.TUESDAY...Mostly sunny. Highs around 70.
.TUESDAY NIGHT...Partly cloudy with a slight chance of showers.
Lows in the lower 50s. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Highs
in the lower 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50.
.THURSDAY...Sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 70s.

$$

WYZ008-192200-
Bighorn Mountains West-
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Patchy fog this morning. Rain showers likely with a
slight chance of thunderstorms this morning, then rain showers
with a chance of thunderstorms this afternoon. Some thunderstorms
may produce heavy rainfall this morning. Some thunderstorms may
produce heavy rainfall this afternoon. Highs in the mid 50s. West
winds around 10 mph with gusts up to 20 mph this afternoon.
Chance of rain 80 percent.
.TONIGHT...Rain showers. A chance of thunderstorms, mainly in the
evening. Patchy fog after midnight. Some thunderstorms may
produce heavy rainfall in the evening. Some thunderstorms may
produce heavy rainfall after midnight. Lows in the lower 40s.
Northwest winds around 10 mph with gusts up to 20 mph, becoming
west after midnight. Chance of rain 80 percent.
.SUNDAY...A slight chance of thunderstorms. Rain showers. Some
thunderstorms may produce heavy rainfall. Highs around 50. West
winds around 10 mph. Chance of rain 80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the evening. Lows around 40.
Northwest winds around 10 mph in the evening. Chance of rain
30 percent.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 50s. Southwest winds around 10 mph in the afternoon.
.MONDAY NIGHT...Clear. Lows in the lower 40s.
.TUESDAY...Mostly sunny. Highs in the mid 60s.
.TUESDAY NIGHT...Partly cloudy. A chance of rain showers with a
slight chance of thunderstorms after midnight. Lows in the upper
40s. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
60s. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s.
.THURSDAY...Sunny. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly clear. Lows around 50.
.FRIDAY...Mostly sunny. Highs in the upper 60s.

$$

WYZ009-192200-
Bighorn Mountains Southeast-
932 AM MDT Sat Sep 19 2026

...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Mostly cloudy with showers likely with a slight chance
of thunderstorms this morning, then partly cloudy with showers
with a chance of thunderstorms this afternoon. Some thunderstorms
may produce heavy rainfall this morning. Some thunderstorms may
produce heavy rainfall this afternoon. Highs in the upper 50s.
West winds around 10 mph. Chance of rain 80 percent.
.TONIGHT...Rain showers. A chance of thunderstorms, mainly in the
evening. Some thunderstorms may produce heavy rainfall in the
evening. Some thunderstorms may produce heavy rainfall after
midnight. Lows in the lower 40s. Northwest winds around 10 mph.
Chance of rain 80 percent.
.SUNDAY...Mostly cloudy with a slight chance of thunderstorms.
Rain showers. Some thunderstorms may produce heavy rainfall.
Highs around 50. Northwest winds around 10 mph. Chance of rain
80 percent.
.SUNDAY NIGHT...Mostly cloudy. A chance of rain showers with a
slight chance of thunderstorms in the evening. Lows in the upper
30s. Northwest winds around 10 mph in the evening. Chance of rain
40 percent.
.MONDAY...Partly cloudy in the morning, then mostly sunny with a
chance of rain showers in the afternoon. Highs in the upper 50s.
South winds around 10 mph in the afternoon. Chance of rain
30 percent.
.MONDAY NIGHT...Mostly clear. Lows in the lower 40s.
.TUESDAY...Mostly sunny. Highs in the mid 60s.
.TUESDAY NIGHT...Partly cloudy with a slight chance of rain
showers and thunderstorms. Lows in the upper 40s. Chance of rain
20 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
slight chance of thunderstorms in the afternoon. Highs in the mid
60s. Chance of rain 40 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s.
.THURSDAY...Sunny. Highs in the upper 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the upper 60s.

$$

WYZ012-192200-
Teton and Gros Ventre Mountains-
932 AM MDT Sat Sep 19 2026

.TODAY...Patchy fog this morning. Rain showers. A slight chance
of thunderstorms this morning, then a chance of thunderstorms
this afternoon. Some thunderstorms may produce heavy rainfall
this morning. Highs around 50. Chance of rain 80 percent.
.TONIGHT...Mostly cloudy. Rain showers likely with a slight
chance of thunderstorms in the evening, then a chance of rain
showers after midnight. Patchy fog. Lows in the mid 30s. Chance
of rain 60 percent.
.SUNDAY...Mostly cloudy. A slight chance of. Highs in the lower
50s. Northwest winds around 10 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 30s.
.MONDAY...Mostly sunny. Highs in the upper 50s.
.MONDAY NIGHT...Mostly clear. Lows in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Lows around 40. Chance of rain
40 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
slight chance of thunderstorms in the afternoon. Highs in the
upper 50s. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly clear. Lows around 40.
.FRIDAY...Mostly sunny. Highs in the lower 60s.

$$

WYZ014-192200-
Wind River Mountains West-
932 AM MDT Sat Sep 19 2026

.TODAY...Patchy fog this morning. Partly cloudy with rain showers
likely. A chance of snow showers with a slight chance of
thunderstorms this morning, then a chance of thunderstorms and
snow showers likely this afternoon. Some thunderstorms may
produce heavy rainfall this morning. Little or no snow
accumulation. Highs in the lower 50s. Southwest winds around
10 mph. Gusts up to 25 mph this afternoon. Chance of
precipitation 60 percent.
.TONIGHT...Mostly cloudy with a chance of snow showers. A chance
of rain showers and thunderstorms in the evening, then rain
showers likely with a slight chance of thunderstorms after
midnight. Patchy fog after midnight. Little or no snow
accumulation. Lows in the lower 30s. Northwest winds around
10 mph with gusts up to 20 mph in the evening. Chance of
precipitation 60 percent.
.SUNDAY...Partly cloudy in the morning, then mostly cloudy with a
chance of rain showers with a slight chance of thunderstorms in
the afternoon. Highs around 50. West winds around 10 mph with
gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
.SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the lower 30s.
.MONDAY...Mostly sunny. Highs in the mid 50s. Southwest winds
around 10 mph with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 30s.
.TUESDAY...Partly cloudy. Highs in the upper 50s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Lows in the upper 30s. Chance
of rain 40 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
slight chance of thunderstorms in the afternoon. Highs in the
upper 50s. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs around 60.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the upper 30s.
.FRIDAY...Partly cloudy in the morning, then clearing. A slight
chance of. Highs around 60.

$$

WYZ015-192200-
Wind River Mountains East-
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. A chance of rain showers, snow showers
with a slight chance of thunderstorms this morning, then rain
showers likely, a chance of thunderstorms and snow showers likely
this afternoon. Some thunderstorms may produce heavy rainfall
this morning. Snow accumulation up to 1 inch. Highs in the lower
50s. Southwest winds around 10 mph with gusts up to 20 mph.
Chance of precipitation 60 percent.
.TONIGHT...Mostly cloudy with a chance of snow showers. Rain
showers with a chance of thunderstorms in the evening, then rain
showers likely with a slight chance of thunderstorms after
midnight. Patchy fog after midnight. Snow accumulation up to
1 inch. Lows in the lower 30s. Chance of precipitation
80 percent.
.SUNDAY...Partly cloudy in the morning, then mostly cloudy with
rain showers likely with possible snow showers and thunderstorms
in the afternoon. Little or no snow accumulation. Highs in the
upper 40s. North winds around 10 mph in the afternoon. Chance of
precipitation 60 percent.
.SUNDAY NIGHT...Partly cloudy with a chance of rain showers with
a slight chance of thunderstorms in the evening, then mostly
clear after midnight. Lows in the lower 30s. Chance of rain
30 percent.
.MONDAY...Mostly sunny. Highs in the lower 50s. Southwest winds
around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 30s.
.TUESDAY...Partly cloudy. A slight chance of. Highs in the upper
50s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Lows around 40. Chance of rain
40 percent.
.WEDNESDAY...Partly cloudy with a chance of rain showers. A
chance of snow showers in the morning, then a slight chance of
thunderstorms in the afternoon. Highs in the mid 50s. Chance of
precipitation 30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s.
.THURSDAY...Sunny. Highs around 60.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows around 40.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs
around 60.

$$

WYZ019-192200-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. A chance of showers and thunderstorms
this afternoon. Highs in the mid 60s. Southwest winds around
10 mph with gusts up to 25 mph. Chance of rain 30 percent.
.TONIGHT...Showers. A chance of thunderstorms, mainly in the
evening. Lows around 40. Northwest winds around 10 mph with gusts
up to 20 mph. Chance of rain 80 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming partly
cloudy. A chance of showers with a slight chance of
thunderstorms. Highs in the upper 50s. Northwest winds around
10 mph with gusts up to 25 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds
around 10 mph with gusts up to 20 mph in the evening.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s. Southwest winds around 10 mph with gusts up to
20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows around 40.
.TUESDAY...Mostly sunny. Highs in the lower 70s.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the mid 40s.
Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. Breezy
with highs around 70.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the mid 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs in
the lower 70s.

$$

WYZ024-192200-
Salt River and Wyoming Ranges-
932 AM MDT Sat Sep 19 2026

.TODAY...Patchy fog this morning. Partly cloudy with rain showers
likely. A slight chance of thunderstorms this morning, then a
chance of thunderstorms this afternoon. Some thunderstorms may
produce heavy rainfall this morning. Highs in the mid 50s. West
winds around 10 mph with gusts up to 20 mph this afternoon.
Chance of rain 60 percent.
.TONIGHT...Mostly cloudy with a chance of rain showers with a
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. Patchy fog after midnight. Lows in the lower 30s.
Northwest winds around 10 mph. Chance of rain 30 percent.
.SUNDAY...Partly cloudy. Highs in the mid 50s. Northwest winds
around 10 mph with gusts up to 20 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest
winds around 10 mph with gusts up to 20 mph in the evening.
.MONDAY...Mostly sunny. Highs in the lower 60s. Southwest winds
around 10 mph with gusts up to 20 mph in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the upper 30s.
.TUESDAY...Partly cloudy. A slight chance of. Highs in the mid
60s.
.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with
a slight chance of thunderstorms. Lows in the lower 40s. Chance
of rain 40 percent.
.WEDNESDAY...Partly cloudy in the morning, then clearing. A
slight chance of rain showers. A slight chance of thunderstorms
in the afternoon. Highs in the lower 60s. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows around 40.
.THURSDAY...Sunny. Highs in the mid 60s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 40s.
.FRIDAY...Mostly sunny. Highs in the mid 60s.

$$

WYZ030-192200-
East Sweetwater County-
Including the city of Wamsutter
932 AM MDT Sat Sep 19 2026

.TODAY...Partly cloudy. Showers with a chance of thunderstorms
this afternoon. Highs in the mid 60s. South winds around 10 mph,
becoming west this afternoon. Chance of rain 80 percent.
.TONIGHT...Mostly cloudy with showers likely. A chance of
thunderstorms, mainly in the evening. Patchy fog after midnight.
Lows in the upper 30s. West winds around 10 mph with gusts up to
20 mph in the evening. Chance of rain 70 percent.
.SUNDAY...Partly cloudy in the morning, then clearing. Highs
around 60. West winds around 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s.
.MONDAY...Partly cloudy in the morning, then clearing. Highs in
the mid 60s. Southwest winds around 10 mph in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows around 40.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 70.
.TUESDAY NIGHT...A slight chance of thunderstorms in the evening.
Partly cloudy with a chance of showers. Lows in the lower 40s.
Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with a slight chance of showers in the
morning, then mostly sunny in the afternoon. Highs in the upper
60s. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s.
.THURSDAY...Mostly sunny. Highs around 70.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.FRIDAY...Partly cloudy in the morning, then clearing. Highs
around 70.

$$