439
FPUS55 KRIW 201248
ZFPRIW
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
646 AM MDT SUN SEP 20 2026
WYZ020-202200-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF CASPER
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS THIS MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE LOWER 60S. WEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 80 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 40. NORTH WINDS AROUND 10 MPH WITH GUSTS UP
TO 20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH.
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. BREEZY
WITH HIGHS IN THE MID 70S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 70S.
WYZ017-202200-
WIND RIVER BASIN-
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI
647 AM MDT SUN SEP 20 2026
TODAY
AREAS OF FOG THIS MORNING. MOSTLY CLOUDY WITH SHOWERS
THIS MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE LOWER
60S. WEST WINDS AROUND 10 MPH, BECOMING NORTH THIS AFTERNOON.
CHANCE OF RAIN 80 PERCENT.
TONIGHT
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. EAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING SOUTHWEST AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 70S. SOUTH 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 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 IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 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 UPPER 70S.
WYZ018-202200-
LANDER FOOTHILLS-
INCLUDING THE CITY OF LANDER
647 AM MDT SUN SEP 20 2026
TODAY
AREAS OF FOG THIS MORNING. PARTLY CLOUDY WITH A CHANCE
OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP
TO 20 MPH THIS MORNING. CHANCE OF RAIN 30 PERCENT.
TONIGHT
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 LOWER 40S.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE AFTERNOON.
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 MID 40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 80.
WYZ028-202200-
ROCK SPRINGS AND GREEN RIVER-
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH THIS AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 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.
SOUTHWEST WINDS AROUND 10 MPH IN THE AFTERNOON. CHANCE OF RAIN
30 PERCENT.
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 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
SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE MID 70S.
WYZ013-202200-
JACKSON HOLE-
INCLUDING THE CITY OF JACKSON
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY. AREAS OF FOG THIS MORNING. A SLIGHT
CHANCE OF. A SLIGHT CHANCE OF. HIGHS AROUND 60.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
TUESDAY
PARTLY CLOUDY. HIGHS AROUND 70.
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 AROUND 40. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE UPPER 60S.
WYZ003-202200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS THIS MORNING. AREAS
OF FOG THIS MORNING. HIGHS AROUND 60. NORTH WINDS AROUND 10 MPH.
TONIGHT
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 UPPER 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
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
AROUND 50. 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
MOSTLY SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 50S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE MID 70S.
WYZ004-202200-
NORTH BIGHORN BASIN-
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,
AND SHELL
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. SHOWERS LIKELY THIS MORNING, THEN A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON. HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 60 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. 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 UPPER 70S. SOUTHEAST 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 AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF
RAIN 30 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 AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80.
WYZ006-202200-
SOUTHEAST BIGHORN BASIN-
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND
647 AM MDT SUN SEP 20 2026
TODAY
CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. SHOWERS,
MAINLY THIS MORNING. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 10 MPH. CHANCE OF RAIN 80 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. 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 AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
WYZ005-202200-
SOUTHWEST BIGHORN BASIN-
INCLUDING THE CITY OF THERMOPOLIS
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. SHOWERS THIS MORNING. AREAS OF FOG THIS
MORNING. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH.
CHANCE OF RAIN 80 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 40S.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS AROUND
10 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. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. 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 AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80.
WYZ023-202200-
STAR VALLEY-
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,
AND THAYNE
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY THIS MORNING, THEN BECOMING PARTLY CLOUDY.
AREAS OF FOG THIS MORNING. HIGHS IN THE LOWER 60S.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
MONDAY
MOSTLY 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 AROUND 40. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
SUNNY. HIGHS IN THE MID 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE LOWER 70S.
WYZ025-202200-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF PINEDALE
647 AM MDT SUN SEP 20 2026
TODAY
AREAS OF FOG THIS MORNING. PARTLY CLOUDY. HIGHS AROUND
60. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS
AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 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
MOSTLY CLEAR. 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
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE MID 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
THURSDAY
SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE UPPER 60S.
WYZ026-202200-
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY THIS MORNING, THEN BECOMING PARTLY CLOUDY.
AREAS OF FOG THIS MORNING. HIGHS IN THE LOWER 60S. WEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS AFTERNOON.
TONIGHT
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. LOWS IN THE MID 30S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. CHANCE OF RAIN 30 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 30S.
THURSDAY
SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
WYZ010-202200-
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF BUFFALO
647 AM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
TODAY
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 60. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN
80 PERCENT.
TONIGHT
CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING. CHANCE
OF RAIN 40 PERCENT.
MONDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. 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 35 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 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. LOWS AROUND 50.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
IN THE MID 70S.
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 IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80.
WYZ011-202200-
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF KAYCEE
647 AM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
TODAY
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 IN THE LOWER 60S.
NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN
90 PERCENT.
TONIGHT
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. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 35 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
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 AROUND 80.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80.
WYZ027-202200-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE
647 AM MDT SUN SEP 20 2026
TODAY
AREAS OF FOG THIS MORNING. MOSTLY SUNNY. HIGHS IN THE
LOWER 60S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS
AFTERNOON.
TONIGHT
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 IN THE UPPER 60S.
CHANCE OF RAIN 30 PERCENT.
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 40. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
THURSDAY
SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
WYZ016-202200-
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF DUBOIS
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY. AREAS OF FOG THIS MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
HIGHS AROUND 60. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO
20 MPH THIS AFTERNOON. 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 UPPER 30S. 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. SOUTHEAST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING WEST AFTER
MIDNIGHT.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE MID 60S. WEST WINDS AROUND 10 MPH, BECOMING SOUTH WITH GUSTS
UP TO 20 MPH IN THE AFTERNOON.
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 LOWER 40S. 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 LOWER 40S.
THURSDAY
SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 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
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. AREAS OF FOG THIS MORNING. A CHANCE OF
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS
AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF RAIN 30 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE
OF RAIN SHOWERS IN THE EVENING, THEN A CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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. LOWS IN THE UPPER 30S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WYZ029-202200-
FLAMING GORGE-
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND
10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTHEAST WINDS
AROUND 10 MPH, BECOMING SOUTH WITH GUSTS UP TO 25 MPH IN THE
AFTERNOON. CHANCE OF RAIN 20 PERCENT.
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 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. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 50.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE MID 70S.
WYZ022-202200-
CASPER MOUNTAIN-
647 AM MDT SUN SEP 20 2026
TODAY
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS THIS
AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 25 MPH. CHANCE OF RAIN 80 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. 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
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 IN THE MORNING, THEN CLEARING. HIGHS
IN THE UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WYZ002-202200-
ABSAROKA MOUNTAINS-
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE
OF THUNDERSTORMS THIS AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL THIS AFTERNOON. HIGHS AROUND 50. 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. LOWS IN THE MID 30S. NORTHWEST WINDS AROUND
10 MPH IN THE EVENING. 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. SOUTH WINDS
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
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 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. HIGHS IN THE LOWER 60S.
FRIDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. BREEZY WITH HIGHS AROUND 60.
WYZ007-202200-
OWL CREEK AND BRIDGER MOUNTAINS-
647 AM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
TODAY
MOSTLY CLOUDY. SHOWERS THIS MORNING, THEN A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL THIS AFTERNOON.
HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO 15 MPH. CHANCE OF RAIN
80 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. 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. SOUTH WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND
10 MPH.
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
AROUND 70.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ008-202200-
BIGHORN MOUNTAINS WEST-
647 AM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
TODAY
PATCHY FOG THIS MORNING. 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 80 PERCENT.
TONIGHT
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. SOUTHEAST WINDS
10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH.
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 IN THE MORNING, THEN CLEARING. A
CHANCE OF RAIN SHOWERS. 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 40S.
THURSDAY
SUNNY. 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 AROUND 50.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WYZ009-202200-
BIGHORN MOUNTAINS SOUTHEAST-
647 AM MDT SUN SEP 20 2026
..FLOOD WATCH IN EFFECT UNTIL 6 PM MDT THIS EVENING
TODAY
A SLIGHT CHANCE OF THUNDERSTORMS. RAIN SHOWERS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS AROUND 50.
NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF
RAIN 80 PERCENT.
TONIGHT
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
30 PERCENT.
MONDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 10 MPH IN
THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. CHANCE OF RAIN
20 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 MID 60S. CHANCE OF RAIN 30 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
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
WYZ012-202200-
TETON AND GROS VENTRE MOUNTAINS-
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY. AREAS OF FOG THIS MORNING. A SLIGHT
CHANCE OF. A SLIGHT CHANCE OF. HIGHS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS AFTERNOON.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 10 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 10 MPH, BECOMING EAST AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 10 MPH IN THE AFTERNOON.
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 IN THE MORNING, THEN CLEARING. HIGHS
AROUND 60.
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
MOSTLY SUNNY. HIGHS IN THE MID 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
60S.
WYZ014-202200-
WIND RIVER MOUNTAINS WEST-
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY. AREAS OF FOG THIS MORNING. A CHANCE OF
RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON. HIGHS IN THE LOWER 50S. WEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 20 MPH THIS AFTERNOON. CHANCE OF RAIN 30 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN
THE LOWER 30S. NORTH WINDS AROUND 10 MPH IN THE EVENING.
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. SOUTHWEST WINDS
10 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
CHANCE OF RAIN SHOWERS. HIGHS IN THE UPPER 50S. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
THURSDAY
SUNNY. HIGHS AROUND 60.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 60.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE UPPER 50S.
WYZ015-202200-
WIND RIVER MOUNTAINS EAST-
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THIS MORNING, THEN MOSTLY CLOUDY WITH RAIN
SHOWERS LIKELY WITH POSSIBLE SNOW SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS IN THE UPPER
40S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH THIS
AFTERNOON. CHANCE OF PRECIPITATION 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. 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. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH AFTER MIDNIGHT.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. 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 CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A
CHANCE OF RAIN SHOWERS. HIGHS IN THE MID 50S. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 50S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
FRIDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. BREEZY WITH HIGHS IN THE UPPER 50S.
WYZ019-202200-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF JEFFREY CITY
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.
AREAS OF FOG THIS MORNING. A SLIGHT CHANCE OF THUNDERSTORMS.
SHOWERS LIKELY, MAINLY THIS MORNING. HIGHS AROUND 60. WEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 60 PERCENT.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. GUSTS UP TO
20 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
AROUND 10 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 25 MPH.
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 UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 70S.
WYZ024-202200-
SALT RIVER AND WYOMING RANGES-
647 AM MDT SUN SEP 20 2026
TODAY
MOSTLY SUNNY THIS MORNING, THEN BECOMING PARTLY CLOUDY.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS
UP TO 20 MPH THIS AFTERNOON.
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
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 10 MPH IN THE
EVENING.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND
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 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. 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 AROUND 40.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT
CHANCE OF. HIGHS IN THE MID 60S.
WYZ030-202200-
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF WAMSUTTER
647 AM MDT SUN SEP 20 2026
TODAY
PARTLY CLOUDY THIS MORNING, THEN CLEARING. AREAS OF FOG
THIS MORNING. HIGHS AROUND 60. WEST WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70. SOUTHEAST WINDS AROUND 10 MPH, BECOMING SOUTHWEST WITH
GUSTS UP TO 25 MPH 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 UPPER 60S.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 70.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 40S.
SATURDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS
AROUND 70.
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