469
FPUS55 KRIW 202019
ZFPRIW
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
217 PM MDT SUN SEP 20 2026
WYZ020-202200-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF CASPER
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 60 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. LOWS AROUND 40. NORTHWEST
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. AREAS OF
FOG IN THE MORNING. HIGHS IN THE MID 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS AROUND
10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY
WITH HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 70S.
WYZ017-202200-
WIND RIVER BASIN-
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH 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. CHANCE OF RAIN
30 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS IN THE MID 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH
IN THE AFTERNOON.
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
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ018-202200-
LANDER FOOTHILLS-
INCLUDING THE CITY OF LANDER
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. CHANCE OF
RAIN 30 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 40S.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. SOUTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
TUESDAY 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. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ028-202200-
ROCK SPRINGS AND GREEN RIVER-
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
60S.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
UPPER 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
CHANCE OF RAIN 30 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 40. CHANCE OF
RAIN 50 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
70S.
WYZ013-202200-
JACKSON HOLE-
INCLUDING THE CITY OF JACKSON
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG. LOWS IN THE LOWER 30S.
MONDAY
AREAS OF FOG IN THE MORNING. 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 SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
MOSTLY SUNNY 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.
WYZ003-202200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE
UPPER 50S. NORTHEAST WINDS AROUND 10 MPH. CHANCE OF RAIN
30 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS. LOWS AROUND 50. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE MORNING.
HIGHS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
WYZ004-202200-
NORTH BIGHORN BASIN-
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,
AND SHELL
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. NORTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 30 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE LOWER 40S.
NORTHWEST WINDS AROUND 10 MPH IN THE EVENING.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS AROUND 70. SOUTHEAST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. 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 AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ006-202200-
SOUTHEAST BIGHORN BASIN-
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE LOWER 40S.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS AROUND 70.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50. CHANCE OF
RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
WYZ005-202200-
SOUTHWEST BIGHORN BASIN-
INCLUDING THE CITY OF THERMOPOLIS
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. NORTH
WINDS AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS AROUND
10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S. SOUTHWEST WINDS AROUND 10 MPH, BECOMING SOUTH IN THE
AFTERNOON.
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
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
WYZ023-202200-
STAR VALLEY-
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,
AND THAYNE
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
LOWER 30S.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS AROUND
70.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
TUESDAY
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 70. CHANCE OF RAIN 30 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE
OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 70.
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 LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE UPPER 60S.
WYZ025-202200-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF PINEDALE
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS AROUND 60. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH
IN THE EVENING.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
LOWER 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 60S.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE
OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE MID
60S.
WYZ026-202200-
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. NORTHWEST WINDS AROUND 10 MPH IN THE EVENING.
MONDAY
AREAS OF FOG IN THE MORNING. 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. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
60S.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF
RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WYZ010-202200-
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF BUFFALO
217 PM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
THIS AFTERNOON
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS AROUND 60.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
RAIN 60 PERCENT.
TONIGHT
CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE MID 40S.
NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH IN THE
EVENING. CHANCE OF RAIN 80 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS IN THE UPPER 40S.
SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER 50S.
CHANCE OF RAIN 20 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE MID
70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ011-202200-
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF KAYCEE
217 PM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
THIS AFTERNOON
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE LOWER
60S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF RAIN 60 PERCENT.
TONIGHT
MOSTLY CLOUDY. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. LOWS
IN THE MID 40S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO
20 MPH IN THE EVENING. CHANCE OF RAIN 60 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 25 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 80.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ027-202200-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE
UPPER 50S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
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 MID 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF
RAIN 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 30S.
CHANCE OF RAIN 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WYZ016-202200-
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF DUBOIS
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE
MID 50S. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
CHANCE OF RAIN 30 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
AFTER MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE UPPER
30S. EAST WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF RAIN
30 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 60. SOUTHEAST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH, BECOMING SOUTHWEST WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON.
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 LOWER 40S. CHANCE OF RAIN
50 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE MID
60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
60S.
WYZ001-202200-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. AREAS OF
FOG AFTER MIDNIGHT. LOWS IN THE LOWER 30S.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS AROUND
60.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. CHANCE
OF RAIN 50 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 60.
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 MID 60S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. A
SLIGHT CHANCE OF. LOWS IN THE UPPER 30S.
SATURDAY
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF
PRECIPITATION 30 PERCENT.
WYZ029-202200-
FLAMING GORGE-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.
SOUTH WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.
CHANCE OF RAIN 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
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 IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE MID
70S.
WYZ022-202200-
CASPER MOUNTAIN-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 25 MPH. CHANCE OF RAIN 60 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. NORTHWEST 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
AROUND 60.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. CHANCE OF
RAIN 20 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY
WITH HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
THURSDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
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
AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WYZ002-202200-
ABSAROKA MOUNTAINS-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE
UPPER 40S. NORTHWEST WINDS AROUND 10 MPH. CHANCE OF RAIN
30 PERCENT.
TONIGHT
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 IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE MID 50S. SOUTH WINDS AROUND 10 MPH WITH
GUSTS UP TO 20 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING WEST AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT.
LOWS AROUND 40. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 60S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
BREEZY WITH LOWS IN THE LOWER 40S.
SATURDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
BREEZY WITH HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION
20 PERCENT.
WYZ007-202200-
OWL CREEK AND BRIDGER MOUNTAINS-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 50S. NORTH
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN
30 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
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. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S. SOUTH WINDS AROUND 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
WYZ008-202200-
BIGHORN MOUNTAINS WEST-
217 PM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
THIS AFTERNOON
RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL.
HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND 10 MPH. 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 UPPER 30S.
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. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND
10 MPH, BECOMING SOUTHWEST WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER
40S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ009-202200-
BIGHORN MOUNTAINS SOUTHEAST-
217 PM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
THIS AFTERNOON
RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL.
NEAR STEADY TEMPERATURE IN THE UPPER 40S. NORTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 80 PERCENT.
TONIGHT
PATCHY FOG IN THE EVENING. MOSTLY CLOUDY WITH RAIN
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
30S. NORTHWEST WINDS AROUND 10 MPH. CHANCE OF RAIN 60 PERCENT.
MONDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
50S. SOUTH WINDS AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH, BECOMING WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY NIGHT
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN THE MID 40S.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS. A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN
THE LOWER 60S. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE UPPER 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ012-202200-
TETON AND GROS VENTRE MOUNTAINS-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
NORTHWEST WINDS AROUND 10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. AREAS OF
FOG AFTER MIDNIGHT. LOWS IN THE LOWER 30S.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
UPPER 50S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 10 MPH, BECOMING EAST AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 60. SOUTHWEST WINDS AROUND
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
RAIN SHOWERS LIKELY. LOWS IN THE UPPER 30S. CHANCE OF RAIN
60 PERCENT.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
HIGHS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF RAIN AND SNOW SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF PRECIPITATION
20 PERCENT.
WYZ014-202200-
WIND RIVER MOUNTAINS WEST-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. NEAR STEADY TEMPERATURE IN
THE UPPER 40S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
CHANCE OF RAIN 30 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. AREAS OF
FOG AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTH WINDS AROUND
10 MPH IN THE EVENING.
MONDAY
AREAS OF FOG IN THE MORNING. MOSTLY SUNNY. HIGHS IN THE
MID 50S. SOUTHWEST WINDS AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 30S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
50S. SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
RAIN SHOWERS LIKELY. LOWS IN THE UPPER 30S. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY
MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID 50S. CHANCE OF RAIN 20 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 60.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 60.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER
50S. CHANCE OF RAIN 20 PERCENT.
WYZ015-202200-
WIND RIVER MOUNTAINS EAST-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS, A
SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS. LITTLE OR NO
SNOW ACCUMULATION. NEAR STEADY TEMPERATURE IN THE MID 40S.
NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
TONIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
AFTER MIDNIGHT. AREAS OF FOG IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF RAIN 30 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS
AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID
50S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. RAIN SHOWERS LIKELY. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE UPPER 30S.
CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 50S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
BREEZY WITH LOWS AROUND 40.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS
IN THE UPPER 50S.
WYZ019-202200-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF JEFFREY CITY
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS AROUND 60. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 30 PERCENT.
TONIGHT
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. AREAS OF
FOG IN THE MORNING. 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
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
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
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY
WITH HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 70S.
WYZ024-202200-
SALT RIVER AND WYOMING RANGES-
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
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
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 10 MPH, BECOMING EAST AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN
40 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER
30S. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WYZ030-202200-
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF WAMSUTTER
217 PM MDT SUN SEP 20 2026
THIS AFTERNOON
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE
UPPER 30S.
MONDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. AREAS OF
FOG IN THE MORNING. HIGHS IN THE MID 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 70. SOUTH WINDS AROUND
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
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 IN THE MORNING, THEN CLEARING. HIGHS
IN THE MID 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
THURSDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 40S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
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