443
FPUS55 KRIW 201833
ZFPRIW
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
1232 PM MDT WED MAY 20 2026
WYZ020-202200-
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF CASPER
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS
10 TO 15 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. BREEZY WITH HIGHS IN THE LOWER 50S. NORTH 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 80 PERCENT.
THURSDAY NIGHT
CLOUDY. RAIN SHOWERS, SNOW SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW
SHOWERS LIKELY AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.
BREEZY WITH LOWS IN THE LOWER 30S. NORTH WINDS 15 TO 20 MPH WITH
GUSTS UP TO 30 MPH, BECOMING NORTHWEST AROUND 10 MPH WITH GUSTS
UP TO 20 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 80 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE UPPER
50S. WEST WINDS AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
MEMORIAL DAY
SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 70S. CHANCE OF
RAIN 30 PERCENT.
WYZ017-202200-
WIND RIVER BASIN-
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO
15 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY
CLOUDY. RAIN SHOWERS LIKELY WITH A CHANCE OF SNOW
SHOWERS IN THE MORNING, THEN RAIN SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION.
BREEZY WITH HIGHS AROUND 50. NORTHEAST WINDS 15 TO 20 MPH WITH
GUSTS UP TO 35 MPH. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. BREEZY WITH LOWS IN
THE LOWER 30S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH
IN THE EVENING. CHANCE OF RAIN 60 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH IN
THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
BREEZY WITH HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.
WYZ018-202200-
LANDER FOOTHILLS-
INCLUDING THE CITY OF LANDER
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS
AROUND 10 MPH.
THURSDAY
RAIN SHOWERS. A CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS WITH A SLIGHT CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS IN THE
UPPER 40S. NORTH WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY WITH A
CHANCE OF SNOW SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS AROUND 30.
NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE MID 70S.
CHANCE OF RAIN 20 PERCENT.
WYZ028-202200-
ROCK SPRINGS AND GREEN RIVER-
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS AROUND 60. WEST WINDS
10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS 10 TO
15 MPH.
THURSDAY
RAIN SHOWERS. SNOW SHOWERS LIKELY IN THE MORNING,
THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO
SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE MID 50S. WEST WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.
LOWS AROUND 30. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO
30 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 70. CHANCE OF RAIN
30 PERCENT.
WYZ013-202200-
JACKSON HOLE-
INCLUDING THE CITY OF JACKSON
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE
OF RAIN SHOWERS IN THE EVENING, THEN RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS IN THE LOWER 30S.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
RAIN SHOWERS, SNOW SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY, A CHANCE
OF THUNDERSTORMS AND SNOW SHOWERS LIKELY IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. HIGHS AROUND 50. NORTH WINDS AROUND
10 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO
25 MPH IN THE EVENING.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 60.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 60S. CHANCE OF RAIN 40 PERCENT.
WYZ003-202200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
CHANCE OF RAIN 30 PERCENT.
TONIGHT
CLOUDY. RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. BREEZY WITH LOWS IN THE
MID 30S. NORTH WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
SNOW SHOWERS. RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION AROUND 5 INCHES. WINDY WITH HIGHS IN THE MID
40S. NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
BREEZY WITH LOWS IN THE LOWER 30S. NORTHWEST WINDS 15 TO 20 MPH
WITH GUSTS UP TO 30 MPH, BECOMING WEST AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 10 MPH,
BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 70S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 50S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH
HIGHS IN THE UPPER 70S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH
HIGHS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT.
WYZ004-202200-
NORTH BIGHORN BASIN-
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,
AND SHELL
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
SOUTHWEST WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS AFTER
MIDNIGHT. BREEZY WITH LOWS AROUND 40. NORTHWEST WINDS 15 TO
25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF RAIN 80 PERCENT.
THURSDAY
RAIN AND SNOW SHOWERS IN THE MORNING, THEN RAIN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
NO SNOW ACCUMULATION. WINDY WITH HIGHS AROUND 50. NORTHWEST WINDS
20 TO 30 MPH WITH GUSTS UP TO 50 MPH. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.
NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, DIMINISHING
TO AROUND 10 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTH WINDS AROUND
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 50.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE LOWER 80S.
WYZ006-202200-
SOUTHEAST BIGHORN BASIN-
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHWEST
WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS AROUND 40. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF RAIN
30 PERCENT.
THURSDAY
CLOUDY WITH SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 40S. NORTHWEST
WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF RAIN
80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. BREEZY WITH LOWS IN
THE MID 30S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH, BECOMING SOUTHWEST AROUND 10 MPH AFTER MIDNIGHT. CHANCE
OF RAIN 60 PERCENT.
FRIDAY
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN
THE LOWER 60S. NORTH WINDS AROUND 10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
MEMORIAL DAY
SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS AROUND 80.
WYZ005-202200-
SOUTHWEST BIGHORN BASIN-
INCLUDING THE CITY OF THERMOPOLIS
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHWEST
WINDS AROUND 10 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
LOWS IN THE MID 30S. WEST WINDS AROUND 10 MPH, BECOMING NORTHWEST
WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT. CHANCE OF RAIN
30 PERCENT.
THURSDAY
RAIN SHOWERS. SNOW SHOWERS IN THE MORNING, THEN A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. NO SNOW
ACCUMULATION. BREEZY, COOLER WITH HIGHS IN THE MID 40S. NORTHWEST
WINDS 15 TO 25 MPH WITH GUSTS UP TO 45 MPH. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. BREEZY WITH LOWS
IN THE LOWER 30S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH, BECOMING WEST AROUND 10 MPH AFTER MIDNIGHT. CHANCE OF
RAIN 30 PERCENT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS AROUND
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
70S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 50.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 50.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE UPPER 70S.
WYZ023-202200-
STAR VALLEY-
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,
AND THAYNE
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. WEST
WINDS AROUND 10 MPH.
TONIGHT
CLOUDY. RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF RAIN 60 PERCENT.
THURSDAY
RAIN SHOWERS. SNOW SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER
50S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS AROUND 30. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH
IN THE EVENING.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 60S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS AROUND
80.
MONDAY NIGHT
PARTLY CLOUDY. 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.
WYZ025-202200-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF PINEDALE
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
CLOUDY. RAIN SHOWERS, SNOW SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LITTLE OR NO SNOW
ACCUMULATION. LOWS AROUND 30. WEST WINDS 10 TO 15 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY
SNOW AND RAIN SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS AROUND 50.
NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE MID
20S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF RAIN 30 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 50S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 30.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 70. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF
RAIN 20 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. BREEZY
WITH HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
WYZ026-202200-
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 50S. WEST WINDS
10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 15 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 30 PERCENT.
THURSDAY
RAIN SHOWERS. SNOW SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS LIKELY IN THE AFTERNOON. LITTLE OR NO SNOW
ACCUMULATION. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO
15 MPH, BECOMING NORTHWEST IN THE AFTERNOON. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY WITH
POSSIBLE SNOW SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.
LOWS IN THE MID 20S. NORTHEAST WINDS 10 TO 15 MPH IN THE EVENING.
CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 50S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 30.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
70S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS AROUND 70.
WYZ010-202200-
NORTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF BUFFALO
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
THURSDAY
CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
BREEZY, COOLER WITH HIGHS AROUND 50. NORTH WINDS 15 TO 25 MPH.
GUSTS UP TO 40 MPH IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT.
THURSDAY NIGHT
CLOUDY. RAIN SHOWERS LIKELY, MAINLY IN THE
EVENING. BREEZY WITH LOWS IN THE MID 30S. NORTHWEST WINDS 15 TO
20 MPH WITH GUSTS UP TO 35 MPH, DIMINISHING TO AROUND 10 MPH WITH
GUSTS UP TO 20 MPH AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 60. NORTH WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
MEMORIAL DAY
SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE LOWER 80S.
WYZ011-202200-
SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITY OF KAYCEE
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
BREEZY WITH HIGHS AROUND 50. NORTH WINDS 10 TO 15 MPH WITH GUSTS
UP TO 25 MPH, INCREASING TO 20 TO 25 MPH WITH GUSTS UP TO 35 MPH
IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT.
THURSDAY NIGHT
CLOUDY. RAIN SHOWERS LIKELY WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN THE MID 30S. NORTH
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING NORTHWEST
AROUND 10 MPH WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT. CHANCE OF
RAIN 60 PERCENT.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS AROUND 60. NORTHWEST WINDS AROUND 10 MPH IN THE
MORNING.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
MEMORIAL DAY
SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE LOWER
80S. CHANCE OF RAIN 20 PERCENT.
WYZ027-202200-
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. WEST
WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 15 MPH. CHANCE
OF PRECIPITATION 30 PERCENT.
THURSDAY
RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS
IN THE LOWER 50S. SOUTHWEST WINDS 15 TO 20 MPH, BECOMING
NORTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. BREEZY WITH LOWS
IN THE UPPER 20S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH, BECOMING SOUTHEAST AROUND 10 MPH AFTER MIDNIGHT. CHANCE
OF RAIN 30 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 60. WEST WINDS AROUND
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 30.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 70.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 70.
CHANCE OF RAIN 20 PERCENT.
WYZ016-202200-
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF DUBOIS
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 50S. WEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY WITH A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS
IN THE MID 30S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH
IN THE EVENING. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY
RAIN AND SNOW SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. HIGHS IN THE MID
40S. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE
OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
20S. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE
EVENING. CHANCE OF RAIN 30 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. BREEZY WITH HIGHS AROUND 70. CHANCE OF RAIN
30 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
LOWER 70S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 70. CHANCE OF RAIN 30 PERCENT.
WYZ001-202200-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS,
THUNDERSTORMS AND SNOW SHOWERS. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF
PRECIPITATION 30 PERCENT.
TONIGHT
SNOW SHOWERS. RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT.
SNOW ACCUMULATION AROUND 5 INCHES. LOWS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
CLOUDY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. A
SLIGHT CHANCE OF THUNDERSTORMS. SNOW SHOWERS, MAINLY IN THE
MORNING. STORM TOTAL SNOW ACCUMULATION OF 1 TO 3 INCHES. HIGHS IN
THE LOWER 40S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
CHANCE OF SNOW 80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. NORTH
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 60S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH
HIGHS IN THE MID 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 40 PERCENT.
WYZ029-202200-
FLAMING GORGE-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST
WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO
15 MPH IN THE EVENING.
THURSDAY
RAIN SHOWERS LIKELY WITH A CHANCE OF SNOW SHOWERS IN
THE MORNING, THEN RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. NO SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE
LOWER 50S. WEST WINDS 15 TO 20 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.
BREEZY WITH LOWS IN THE LOWER 30S. NORTH WINDS 15 TO 20 MPH WITH
GUSTS UP TO 30 MPH, BECOMING EAST AROUND 10 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 50S. WEST WINDS AROUND
10 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER
60S. CHANCE OF RAIN 20 PERCENT.
WYZ022-202200-
CASPER MOUNTAIN-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY, A CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS LIKELY IN THE AFTERNOON. NO SNOW
ACCUMULATION. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH,
BECOMING WEST WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
SNOW SHOWERS. RAIN SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER
MIDNIGHT. LIGHT SNOW ACCUMULATION. LOWS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
FRIDAY
CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS IN THE
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE UPPER
40S. WEST WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION
30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN
30 PERCENT.
WYZ002-202200-
ABSAROKA MOUNTAINS-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH SNOW SHOWERS LIKELY, A
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS. LITTLE OR NO
SNOW ACCUMULATION. HIGHS IN THE MID 40S. WEST WINDS 10 TO 15 MPH
WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS, RAIN SHOWERS LIKELY WITH
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW
SHOWERS AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 7 INCHES. LOWS IN THE UPPER
20S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY
A SLIGHT CHANCE OF THUNDERSTORMS. SNOW SHOWERS,
MAINLY IN THE MORNING. SNOW MAY BE HEAVY AT TIMES IN THE MORNING.
STORM TOTAL SNOW ACCUMULATION OF 4 TO 6 INCHES. BREEZY WITH HIGHS
IN THE MID 30S. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO
35 MPH. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS 14 TO 24. NORTH
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH, BECOMING WEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH WITH GUSTS
UP TO 20 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 50S.
SATURDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 50S. CHANCE OF RAIN
30 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH
HIGHS IN THE LOWER 60S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. BREEZY
WITH HIGHS IN THE UPPER 50S. CHANCE OF RAIN 40 PERCENT.
WYZ007-202200-
OWL CREEK AND BRIDGER MOUNTAINS-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
SOUTHWEST WINDS 10 TO 15 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS 10 TO 15 MPH, BECOMING
NORTHEAST AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.
THURSDAY
RAIN AND SNOW SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES.
WINDY WITH HIGHS IN THE LOWER 40S. NORTH WINDS 20 TO 30 MPH WITH
GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY WITH A
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH LOWS IN THE
LOWER 30S. NORTH WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH,
BECOMING NORTHWEST AROUND 10 MPH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 10 MPH, BECOMING NORTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER
70S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
BREEZY WITH HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.
WYZ008-202200-
BIGHORN MOUNTAINS WEST-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 25 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 30 PERCENT.
THURSDAY
SNOW SHOWERS. A CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 8 INCHES. HIGHS AROUND
40. SOUTH WINDS AROUND 10 MPH, BECOMING NORTHWEST IN THE
AFTERNOON. GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
CLOUDY. SNOW AND RAIN SHOWERS LIKELY IN THE
EVENING. NEW LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE UPPER
20S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
40S. WEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 40S.
MEMORIAL DAY
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 70.
MONDAY NIGHT
PARTLY CLOUDY AND BREEZY. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN
THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
WYZ009-202200-
BIGHORN MOUNTAINS SOUTHEAST-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS 10 TO
15 MPH WITH GUSTS UP TO 25 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN THE
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 7 INCHES.
HIGHS AROUND 40. EAST WINDS AROUND 10 MPH WITH GUSTS UP TO
20 MPH, BECOMING NORTH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
CLOUDY. SNOW AND RAIN SHOWERS LIKELY IN THE
EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. NEW LITTLE
OR NO SNOW ACCUMULATION. LOWS IN THE UPPER 20S. NORTHWEST WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF
PRECIPITATION 60 PERCENT.
FRIDAY
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS, SNOW SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
SATURDAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER
50S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 60S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 70S.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. BREEZY WITH LOWS IN THE UPPER 40S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER
60S. CHANCE OF RAIN 30 PERCENT.
WYZ012-202200-
TETON AND GROS VENTRE MOUNTAINS-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE UPPER 40S. WEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
CLOUDY WITH A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE
OF RAIN AND SNOW SHOWERS IN THE EVENING, THEN SNOW SHOWERS WITH
RAIN SHOWERS LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
3 INCHES. LOWS IN THE LOWER 30S. SOUTHWEST WINDS 10 TO 15 MPH.
GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY
SNOW SHOWERS, RAIN SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN SNOW SHOWERS LIKELY, A CHANCE
OF THUNDERSTORMS AND RAIN SHOWERS IN THE AFTERNOON. STORM TOTAL
SNOW ACCUMULATION OF 1 TO 3 INCHES. HIGHS AROUND 40. NORTH WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 20S. NORTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND 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 UPPER 30S.
MEMORIAL DAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 20 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 60. CHANCE OF RAIN 40 PERCENT.
WYZ014-202200-
WIND RIVER MOUNTAINS WEST-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 40S. WEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF SNOW
30 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 2 INCHES. LOWS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF
SNOW 70 PERCENT.
THURSDAY
SNOW SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN SNOW SHOWERS, A CHANCE OF THUNDERSTORMS AND
RAIN SHOWERS IN THE AFTERNOON. STORM TOTAL SNOW ACCUMULATION OF
2 TO 4 INCHES. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH, BECOMING NORTH WITH GUSTS UP TO
30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
20S. NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING. CHANCE OF SNOW 30 PERCENT.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID
40S. WEST WINDS AROUND 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 50S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE UPPER 50S. CHANCE OF RAIN 40 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE MID 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF
RAIN 20 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER
50S. CHANCE OF RAIN 30 PERCENT.
WYZ015-202200-
WIND RIVER MOUNTAINS EAST-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 40S. WEST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF SNOW
30 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 2 INCHES. LOWS IN THE UPPER 20S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
SNOW 60 PERCENT.
THURSDAY
SNOW SHOWERS WITH POSSIBLE RAIN SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN SNOW SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE
AFTERNOON. STORM TOTAL SNOW ACCUMULATION OF 4 TO 6 INCHES. HIGHS
IN THE MID 30S. WEST WINDS 10 TO 15 MPH, BECOMING NORTHEAST IN
THE AFTERNOON. GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COLD WITH LOWS
13 TO 25. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH,
BECOMING WEST AFTER MIDNIGHT. CHANCE OF SNOW 30 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 40S.
WEST WINDS AROUND 10 MPH. CHANCE OF SNOW 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 50S.
SATURDAY NIGHT
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 50S. CHANCE OF RAIN
40 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH
HIGHS AROUND 60.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS, THUNDERSTORMS AND SNOW SHOWERS IN THE
AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 50S. CHANCE OF
PRECIPITATION 30 PERCENT.
WYZ019-202200-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF JEFFREY CITY
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 25 MPH, BECOMING SOUTH AFTER MIDNIGHT.
THURSDAY
CLOUDY. RAIN SHOWERS LIKELY WITH A CHANCE OF SNOW
SHOWERS IN THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS WITH A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION UP TO
1 INCH. BREEZY WITH HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND
10 MPH WITH GUSTS UP TO 20 MPH, BECOMING NORTHWEST 15 TO 20 MPH
WITH GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. SNOW AND RAIN SHOWERS IN THE
EVENING, THEN SNOW SHOWERS LIKELY WITH A CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE UPPER
20S. NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
CHANCE OF PRECIPITATION 80 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE LOWER
70S. CHANCE OF RAIN 20 PERCENT.
WYZ024-202200-
SALT RIVER AND WYOMING RANGES-
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
MOSTLY CLOUDY. HIGHS AROUND 50. WEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY WITH POSSIBLE RAIN
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
1 INCH. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 15 MPH. GUSTS UP
TO 30 MPH IN THE EVENING. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY
SNOW AND RAIN SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. HIGHS IN THE MID
40S. WEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST IN THE
AFTERNOON. GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY
CLEAR AFTER MIDNIGHT. LOWS IN THE MID 20S. NORTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF SNOW
30 PERCENT.
FRIDAY
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY
CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS AROUND 10 MPH WITH
GUSTS UP TO 20 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 60.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
SUNDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 60S. CHANCE OF RAIN 20 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE
UPPER 60S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH A
CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. BREEZY WITH HIGHS IN THE LOWER 60S. CHANCE OF RAIN
30 PERCENT.
WYZ030-202200-
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF WAMSUTTER
1232 PM MDT WED MAY 20 2026
THIS AFTERNOON
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. WEST
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN THE
MORNING, THEN RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. HIGHS AROUND 50. WEST WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
LITTLE OR NO SNOW ACCUMULATION. LOWS AROUND 30. NORTH WINDS 10 TO
15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF
PRECIPITATION 60 PERCENT.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 70.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS
AROUND 40.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS
AROUND 70.
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