908
FPUS55 KRIW 190020
ZFPRIW
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
617 PM MDT FRI SEP 18 2026
WYZ020-191000-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF CASPER
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS 10 TO
15 MPH WITH GUSTS UP TO 25 MPH THIS EVENING. CHANCE OF RAIN
30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN
80 PERCENT.
SUNDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. 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
25 MPH. CHANCE OF RAIN 60 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
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
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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.
WYZ017-191000-
WIND RIVER BASIN-
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI
617 PM MDT FRI SEP 18 2026
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY THIS EVENING. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS
EVENING. CHANCE OF RAIN 30 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE UPPER 60S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO
20 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.
SATURDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 40S. NORTHWEST WINDS
10 TO 15 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 LOWER 60S. NORTH WINDS AROUND 10 MPH
WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN
40 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
TUESDAY 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 AROUND 50. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY 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.
WYZ018-191000-
LANDER FOOTHILLS-
INCLUDING THE CITY OF LANDER
617 PM MDT FRI SEP 18 2026
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 10 MPH THIS EVENING. CHANCE OF RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY
FOG IN THE MORNING. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SHOWERS LIKELY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF RAIN
60 PERCENT.
SUNDAY
PARTLY CLOUDY WITH 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 MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF
RAIN 30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
WYZ028-191000-
ROCK SPRINGS AND GREEN RIVER-
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE THIS
EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN 60 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 10 TO 15 MPH. CHANCE
OF RAIN 60 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 60S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS AROUND
10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S.
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
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
WYZ013-191000-
JACKSON HOLE-
INCLUDING THE CITY OF JACKSON
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG. SOME
THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS AROUND 40. CHANCE
OF RAIN 60 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 50S. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY FOG. LOWS
IN THE UPPER 30S. CHANCE OF RAIN 30 PERCENT.
SUNDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN
30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 70.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
WYZ003-191000-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
EVENING. LOWS IN THE LOWER 50S. NORTHWEST WINDS AROUND 10 MPH.
CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS 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. HIGHS AROUND 60.
NORTH WINDS 10 TO 15 MPH. CHANCE OF RAIN 80 PERCENT.
SATURDAY NIGHT
CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL IN THE EVENING. LOWS IN THE MID 40S. NORTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING. CHANCE OF RAIN
80 PERCENT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH IN
THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 40S. CHANCE OF RAIN 20 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE LOWER 50S. CHANCE OF RAIN
20 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
WYZ004-191000-
NORTH BIGHORN BASIN-
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,
AND SHELL
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING. LOWS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE
AFTERNOON. BREEZY WITH HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, INCREASING TO 15 TO 20 MPH
WITH GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF RAIN
60 PERCENT.
SATURDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. MOSTLY CLOUDY WITH SHOWERS LIKELY. BREEZY WITH LOWS IN
THE UPPER 40S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO
35 MPH. CHANCE OF RAIN 70 PERCENT.
SUNDAY
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 WITH GUSTS
UP TO 20 MPH. CHANCE OF RAIN 60 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.
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 AROUND 50.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE UPPER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 80.
WYZ006-191000-
SOUTHEAST BIGHORN BASIN-
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 25 MPH THIS EVENING. CHANCE OF
RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO
25 MPH IN THE AFTERNOON. CHANCE OF RAIN 70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO
30 MPH IN THE EVENING. CHANCE OF RAIN 80 PERCENT.
SUNDAY
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 IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE
LOWER 50S.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE UPPER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 80S.
WYZ005-191000-
SOUTHWEST BIGHORN BASIN-
INCLUDING THE CITY OF THERMOPOLIS
617 PM MDT FRI SEP 18 2026
TONIGHT
PARTLY CLOUDY THIS EVENING, THEN BECOMING MOSTLY
CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS
EVENING. CHANCE OF RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH IN THE AFTERNOON.
CHANCE OF RAIN 80 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS IN THE UPPER 40S. NORTHWEST WINDS
10 TO 15 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. WEST WINDS AROUND 10 MPH,
BECOMING NORTH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. 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 LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 80.
WYZ023-191000-
STAR VALLEY-
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,
AND THAYNE
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG. SOME THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS
IN THE LOWER 40S. CHANCE OF RAIN 60 PERCENT.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN
30 PERCENT.
SATURDAY NIGHT
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 MID 30S. CHANCE OF
RAIN 30 PERCENT.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
WYZ025-191000-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF PINEDALE
617 PM MDT FRI SEP 18 2026
TONIGHT
CLOUDY WITH SHOWERS WITH A CHANCE OF THUNDERSTORMS
THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG. SOME
THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS AROUND 40. CHANCE
OF RAIN 80 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 60. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. 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 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. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.
WYZ026-191000-
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS WITH A CHANCE OF THUNDERSTORMS
THIS EVENING. PATCHY FOG AFTER MIDNIGHT. SOME THUNDERSTORMS MAY
BE SEVERE THIS EVENING. LOWS IN THE LOWER 40S. CHANCE OF RAIN
80 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER
60S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE
AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
IN THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. GUSTS UP TO
20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. 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 AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 70.
WYZ010-191000-
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF BUFFALO
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL THIS EVENING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL AFTER MIDNIGHT. LOWS IN THE MID 50S. NORTHWEST WINDS
AROUND 10 MPH. CHANCE OF RAIN 50 PERCENT.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS 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. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 10 MPH. CHANCE OF RAIN 80 PERCENT.
SATURDAY NIGHT
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS 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. NORTH WINDS 10 TO 15 MPH. CHANCE OF
RAIN 80 PERCENT.
SUNDAY
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON. 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 40 PERCENT.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
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. A
SLIGHT CHANCE OF. HIGHS AROUND 80.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 80.
WYZ011-191000-
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF KAYCEE
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL THIS EVENING. LOWS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 10 MPH. GUSTS UP TO 25 MPH THIS EVENING. CHANCE OF RAIN
60 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS
AROUND 70. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS 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. NORTH WINDS AROUND 10 MPH WITH GUSTS UP
TO 20 MPH IN THE EVENING. 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 AROUND 10 MPH WITH GUSTS UP TO
20 MPH IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH
WITH GUSTS UP TO 20 MPH IN THE EVENING. CHANCE OF RAIN
40 PERCENT.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 80S.
WYZ027-191000-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE
617 PM MDT FRI SEP 18 2026
TONIGHT
CLOUDY WITH SHOWERS WITH A CHANCE OF THUNDERSTORMS
THIS EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS IN
THE MID 40S. NORTHEAST WINDS AROUND 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT. CHANCE OF RAIN 90 PERCENT.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 60.
WEST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS
IN THE MID 30S. WEST WINDS 10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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 AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.
TUESDAY 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 AROUND 40. CHANCE OF RAIN
30 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 AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
WYZ016-191000-
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF DUBOIS
617 PM MDT FRI SEP 18 2026
TONIGHT
A CHANCE OF SHOWERS THIS EVENING. MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG AFTER MIDNIGHT. LOWS
IN THE MID 40S. NORTHWEST WINDS AROUND 10 MPH THIS EVENING.
CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG IN THE MORNING. SHOWERS LIKELY. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF
RAIN 60 PERCENT.
SATURDAY NIGHT
CLOUDY. RAIN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND
40. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF RAIN 60 PERCENT.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. NORTH
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
CHANCE OF RAIN 40 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS AROUND
10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
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. A
SLIGHT CHANCE OF. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 70.
WYZ001-191000-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
CLOUDY WITH A CHANCE OF RAIN SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY THIS EVENING. PATCHY FOG. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS EVENING. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS IN
THE UPPER 30S. CHANCE OF RAIN 30 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH SHOWERS
LIKELY. 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 AROUND 50. CHANCE
OF RAIN 60 PERCENT.
SATURDAY NIGHT
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 WITH A CHANCE OF RAIN SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S.
CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 60S.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE
UPPER 30S.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 60S.
WYZ029-191000-
FLAMING GORGE-
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH SHOWERS WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SOME THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS IN THE UPPER
40S. SOUTHEAST WINDS AROUND 10 MPH. CHANCE OF RAIN 80 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY 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.
SOUTHWEST WINDS AROUND 10 MPH, BECOMING WEST WITH GUSTS UP TO
20 MPH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS AROUND 40. SOUTHWEST WINDS AROUND 10 MPH
WITH GUSTS UP TO 20 MPH IN THE EVENING. CHANCE OF RAIN
30 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.
CHANCE OF RAIN 20 PERCENT.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID
40S. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
WYZ022-191000-
CASPER MOUNTAIN-
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY THIS EVENING, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF THUNDERSTORMS THIS EVENING. A CHANCE OF
SHOWERS. LOWS AROUND 50. SOUTH WINDS AROUND 10 MPH. CHANCE OF
RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 40 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS
IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. CHANCE OF RAIN
60 PERCENT.
SUNDAY
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 50S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO
20 MPH. CHANCE OF RAIN 70 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
MOSTLY CLEAR WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. CHANCE OF RAIN 20 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 UPPER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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.
WYZ002-191000-
ABSAROKA MOUNTAINS-
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A CHANCE
OF THUNDERSTORMS, MAINLY THIS EVENING. PATCHY FOG AFTER MIDNIGHT.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS EVENING. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS
AROUND 40. CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. RAIN
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN RAIN SHOWERS WITH POSSIBLE THUNDERSTORMS AND SNOW
SHOWERS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL IN THE MORNING. SOME THUNDERSTORMS MAY PRODUCE HEAVY
RAINFALL IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS
AROUND 50. WEST WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
80 PERCENT.
SATURDAY NIGHT
CLOUDY WITH A CHANCE OF SNOW SHOWERS. RAIN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,
THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
EVENING. SNOW ACCUMULATION UP TO 1 INCH. LOWS IN THE MID 30S.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF
PRECIPITATION 80 PERCENT.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF SNOW 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. LITTLE
OR NO SNOW ACCUMULATION. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
AROUND 10 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
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 UPPER 30S. WEST WINDS AROUND
10 MPH IN THE EVENING. CHANCE OF RAIN 30 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS AROUND 40.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WYZ007-191000-
OWL CREEK AND BRIDGER MOUNTAINS-
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS, MAINLY THIS EVENING. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL THIS EVENING. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL AFTER MIDNIGHT. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH THIS EVENING.
CHANCE OF RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS 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. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF
RAIN 80 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE EVENING.
BREEZY WITH LOWS IN THE MID 40S. NORTHWEST WINDS 15 TO 20 MPH.
CHANCE OF RAIN 80 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 MID 50S. NORTHWEST
WINDS AROUND 10 MPH, BECOMING NORTH WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 70.
TUESDAY 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.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
SLIGHT CHANCE OF. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
WYZ008-191000-
BIGHORN MOUNTAINS WEST-
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO
25 MPH THIS EVENING. CHANCE OF RAIN 60 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH A
CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL. HIGHS IN THE MID 50S. WEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN
60 PERCENT.
SATURDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN
SHOWERS. PATCHY FOG AFTER MIDNIGHT. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL IN THE EVENING. LOWS IN THE LOWER 40S.
NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF RAIN 80 PERCENT.
SUNDAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS AROUND 50.
WEST WINDS AROUND 10 MPH. CHANCE OF RAIN 90 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 LOWER 40S. CHANCE OF RAIN
30 PERCENT.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE UPPER 50S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE
OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A CHANCE OF RAIN SHOWERS WITH 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
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S.
WYZ009-191000-
BIGHORN MOUNTAINS SOUTHEAST-
617 PM MDT FRI SEP 18 2026
..FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
MOSTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS IN
THE UPPER 40S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH
THIS EVENING. CHANCE OF RAIN 60 PERCENT.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE UPPER 50S.
WEST WINDS AROUND 10 MPH. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
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
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS AROUND 50.
NORTHWEST WINDS AROUND 10 MPH. CHANCE OF RAIN NEAR 100 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. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING. CHANCE OF RAIN 50 PERCENT.
MONDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S.
CHANCE OF RAIN 30 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 40S. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A CHANCE OF RAIN SHOWERS WITH 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
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S.
WYZ012-191000-
TETON AND GROS VENTRE MOUNTAINS-
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS WITH A CHANCE OF
THUNDERSTORMS THIS EVENING, THEN A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG. SOME
THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS IN THE UPPER 30S.
CHANCE OF RAIN 80 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH RAIN
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 50.
CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
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 RAIN SHOWERS IN THE
MORNING, THEN A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF
RAIN 30 PERCENT.
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 UPPER 30S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS AROUND 40.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
WYZ014-191000-
WIND RIVER MOUNTAINS WEST-
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
RAIN SHOWERS LIKELY, MAINLY THIS EVENING. PATCHY FOG AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 10 MPH
WITH GUSTS UP TO 20 MPH THIS EVENING. CHANCE OF RAIN 60 PERCENT.
SATURDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY WITH RAIN
AND SNOW SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE
OF PRECIPITATION 60 PERCENT.
SATURDAY NIGHT
A CHANCE OF SNOW SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. MOSTLY CLOUDY WITH A CHANCE OF
RAIN SHOWERS. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE LOWER 30S.
NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, SNOW 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 PRECIPITATION 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER
30S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A CHANCE OF RAIN SHOWERS WITH 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
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS AROUND 60.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WYZ015-191000-
WIND RIVER MOUNTAINS EAST-
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS AROUND 10 MPH. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF
PRECIPITATION 60 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS.
RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS IN THE MID
30S. WEST 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
RAIN SHOWERS LIKELY WITH POSSIBLE SNOW SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE
UPPER 40S. CHANCE OF PRECIPITATION 60 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
50S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS AROUND 40.
CHANCE OF RAIN 40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH
A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 60.
WYZ019-191000-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF JEFFREY CITY
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY THIS EVENING, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF THUNDERSTORMS THIS EVENING. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH.
CHANCE OF RAIN 30 PERCENT.
SATURDAY
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN
60 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. LOWS
IN THE LOWER 40S. WEST WINDS 10 TO 15 MPH. CHANCE OF RAIN
60 PERCENT.
SUNDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 50S. WEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN
THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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. HIGHS
IN THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S.
WYZ024-191000-
SALT RIVER AND WYOMING RANGES-
617 PM MDT FRI SEP 18 2026
TONIGHT
CLOUDY WITH SHOWERS WITH A CHANCE OF THUNDERSTORMS
THIS EVENING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE THIS EVENING. LOWS IN
THE UPPER 30S. SOUTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH
THIS EVENING. CHANCE OF RAIN 80 PERCENT.
SATURDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN RAIN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS AROUND 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT. LOWS IN THE MID 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 UPPER 30S. NORTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. CHANCE
OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE MID 60S.
WYZ030-191000-
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF WAMSUTTER
617 PM MDT FRI SEP 18 2026
TONIGHT
MOSTLY CLOUDY. SHOWERS WITH A CHANCE OF THUNDERSTORMS
THIS EVENING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 10 MPH. CHANCE OF RAIN 80 PERCENT.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.
SOUTHWEST WINDS AROUND 10 MPH, BECOMING WEST IN THE AFTERNOON.
CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS. 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 30 PERCENT.
SUNDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 60S. WEST WINDS AROUND 10 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. NORTHWEST WINDS
AROUND 10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.
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. HIGHS
AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
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