273
FNUS55 KRIW 181101
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
501 AM MDT SAT OCT 18 2025
DISCUSSION
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER
ZONES 140...414...415...AND 416)...
ANY SHOWERS WILL END THIS MORNING, WITH INCREASING AMOUNTS OF
SUNSHINE THROUGH THE DAY. GUSTY WIND THIS MORNING SHOULD GRADUALLY
DECREASE THROUGH THE DAY AS WELL. RELATIVE HUMIDITY WILL REMAIN
ABOVE CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE
GENERALLY FAIR TO GOOD IN THE AFTERNOON. AN APPROACHING WEATHER
SYSTEM WILL BRING A CHANCE OF SNOW AND RAIN SUNDAY AFTERNOON AND
NIGHT.
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
282...283...285...286...287...288...AND 289)...
ANY SHOWERS WILL END THIS MORNING, WITH INCREASING AMOUNTS OF
SUNSHINE THROUGH THE DAY. GUSTY WIND THIS MORNING SHOULD GRADUALLY
DECREASE THROUGH THE DAY AS WELL. RELATIVE HUMIDITY WILL REMAIN
ABOVE CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE
GENERALLY FAIR TO GOOD IN THE AFTERNOON. AN APPROACHING WEATHER
SYSTEM WILL BRING GUSTY TO STRONG WIND STARTING SUNDAY AFTERNOON
AND CONTINUING INTO MONDAY.
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
279...280...281...285...289...AND 300)...
ANY SHOWERS EAST OF THE DIVIDE WILL END THIS MORNING, WITH
INCREASING AMOUNTS OF SUNSHINE THROUGH THE DAY. GUSTY WIND THIS
MORNING SHOULD GRADUALLY DECREASE THROUGH THE DAY EAST OF DIVIDE,
BUT REMAIN GUSTY IN THE SOUTHERN ZONES. RELATIVE HUMIDITY WILL REMAIN
ABOVE CRITICAL LEVELS. MIXING AND SMOKE DISPERSAL WILL BE
GENERALLY FAIR TO GOOD IN THE AFTERNOON. AN APPROACHING WEATHER
SYSTEM WILL BRING GUSTY TO STRONG WIND STARTING SUNDAY AFTERNOON
AND CONTINUING INTO MONDAY.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
WYZ280-191315-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SHOWERS AND SNOW SHOWERS EARLY IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS LATE IN
THE MORNING. SLIGHT CHANCE OF SNOW SHOWERS LATE
IN THE MORNING. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....42-47.
24 HR TREND......12 DEGREES COOLER.
MIN HUMIDITY........42-48 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......3000-5000 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-38.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......31 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100. WINDS
SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 30
MPH AFTER 0300.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......19 DEGREES WARMER.
MIN HUMIDITY........30-36 PERCENT.
24 HR TREND......12 PERCENT DRIER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH UNTIL 1200,
THEN AROUND 30 MPH. GUSTS UP TO 50 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN AROUND
35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 1200, THEN AROUND
40 MPH.
MIXING HEIGHT.......600-2200 FT AGL UNTIL 1200, THEN 2200-4200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. WEST WINDS AROUND 20 MPH.
MONDAY
COOLER, CLEAR. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 15 MPH.
TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS
AROUND 60. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 62 TO 67.
WYZ283-191315-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......11 DEGREES COOLER.
MIN HUMIDITY........40-46 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH UNTIL 1500, THEN
SOUTHEAST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN WEST.
MIXING HEIGHT.......2200-4200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 2100, THEN
SOUTHWEST. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......18 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 45 MPH UNTIL 1500, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
30 MPH.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 1200, THEN 2600-4600 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLEAR. CHANCE OF SHOWERS IN THE EVENING,
THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. WEST WINDS AROUND 20 MPH.
MONDAY
COOLER, CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 50S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ285-191315-
SOUTH BIGHORN MOUNTAINS-
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....35-40.
24 HR TREND......12 DEGREES COOLER.
MIN HUMIDITY........48-54 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........58-64 PERCENT.
24 HR TREND......31 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 0300, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......200-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....55-60.
24 HR TREND......19 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN AROUND
35 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. WEST WINDS AROUND 20 MPH.
MONDAY
COLDER. MOSTLY CLEAR. SLIGHT CHANCE OF SNOW SHOWERS.
LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND
15 MPH.
TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN
THE LOWER 50S. WEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 55 TO 60.
WYZ281-191315-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SHOWERS AND SNOW SHOWERS EARLY IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS EARLY IN THE MORNING. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......13 DEGREES COOLER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 1200, THEN 4000-6000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-35.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........65-71 PERCENT.
24 HR TREND......27 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......20 DEGREES WARMER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30
MPH UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
30 MPH.
MIXING HEIGHT.......400-1400 FT AGL UNTIL 1200, THEN 1400-3400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS AROUND 15 MPH.
MONDAY
COOLER. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 10 MPH.
TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS
AROUND 60. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 65 TO 70.
WYZ282-191315-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
SHOWERS AND SNOW SHOWERS EARLY IN THE MORNING,
THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS
EARLY IN THE MORNING. CHANCE OF PRECIPITATION
50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......13 DEGREES COOLER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH UNTIL 1500, THEN
SOUTHEAST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1200, THEN
NORTHEAST.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......2600-4600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-35.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......23 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
SOUTH AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......22 DEGREES WARMER.
MIN HUMIDITY........32-38 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
UNTIL 1200, THEN 30 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 1200, THEN SOUTHWEST
AROUND 25 MPH.
MIXING HEIGHT.......200-1400 FT AGL UNTIL 1200, THEN 2000-4000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING,
THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN
THE MID 30S. WEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER
50S. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ275-191315-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY. SLIGHT
CHANCE OF SHOWERS AND SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....36-41.
24 HR TREND......13 DEGREES COOLER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 1500, THEN SOUTHEAST WITH
HIGHER GUSTS.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....28-33.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......18 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......19 DEGREES WARMER.
MIN HUMIDITY........32-38 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH UNTIL 1500, THEN
SOUTHWEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......400-1400 FT AGL UNTIL 1200, THEN 1400-3400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SHOWERS LIKELY IN THE EVENING,
THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN
THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE UPPER 20S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ276-191315-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN
SOUTHEAST. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2600-4600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........53-59 PERCENT.
24 HR TREND......25 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......600-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF SHOWERS 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......15 DEGREES WARMER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30
MPH UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
35 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN CHANCE OF SNOW SHOWERS AND SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS AROUND 15 MPH.
MONDAY
COOLER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 40S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS 59 TO 64.
WYZ287-191315-
OWL CREEK MOUNTAINS-
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......13 DEGREES COOLER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
35 MPH UNTIL 1200. SOUTHEAST AND GUSTY AFTER
1500.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 1200, THEN SOUTHWEST.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........62-68 PERCENT.
24 HR TREND......24 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 0300, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......200-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......19 DEGREES WARMER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN AROUND
35 MPH.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200, THEN 2400-4400 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. WEST WINDS AROUND 20 MPH.
MONDAY
COOLER, CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S.
FRIDAY
PARTLY CLOUDY. HIGHS AROUND 60.
WYZ286-191315-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......2000-4000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....28-33.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........56-62 PERCENT.
24 HR TREND......26 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
RIDGE TOP WINDS.....WEST AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1
INCH. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 50 PERCENT.
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 1200, THEN AROUND 45
MPH.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SNOW SHOWERS AND SHOWERS IN THE
EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 20S. WEST WINDS AROUND 20 MPH.
MONDAY
COLDER. MOSTLY CLEAR WITH SLIGHT CHANCE OF SNOW
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S. WEST WINDS
AROUND 15 MPH.
TUESDAY
NOT AS COOL. MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN
THE MID 40S. WEST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 40S. WEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS 47 TO 52.
WYZ140-191315-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. PATCHY FOG EARLY IN THE MORNING.
CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......35 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......1400-3400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....27-32.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........72-78 PERCENT.
24 HR TREND......18 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.
SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING,
THEN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 1 INCH. CHANCE OF
PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........58-64 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 85 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN AROUND
40 MPH.
MIXING HEIGHT.......1600-3600 FT AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS AND SHOWERS IN THE
EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 20S. WEST WINDS AROUND 15 MPH.
MONDAY
COLDER. MOSTLY CLEAR WITH SLIGHT CHANCE OF SNOW
SHOWERS. LOWS AROUND 19. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
40S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
HIGHS 46 TO 51.
WYZ415-191315-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......31 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........68-74 PERCENT.
24 HR TREND......22 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY
IN THE AFTERNOON. LITTLE OR NO SNOW
ACCUMULATION. CHANCE OF PRECIPITATION 70
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....46-51.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........53-59 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1500, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 70 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
35 MPH.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
SNOW SHOWERS AND SHOWERS IN THE EVENING, THEN
SNOW SHOWERS LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 20S. WEST
WINDS AROUND 15 MPH.
MONDAY
COLDER. MOSTLY CLEAR. SLIGHT CHANCE OF SNOW SHOWERS.
LOWS AROUND 19. HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN
10 MPH.
TUESDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
WYZ416-191315-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY. CHANCE OF
SNOW SHOWERS EARLY IN THE MORNING. SLIGHT
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
CHANCE OF SNOW 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......22 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........58-64 PERCENT.
24 HR TREND......29 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF SNOW SHOWERS LATE IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
35 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS AND CHANCE OF SHOWERS
IN THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS
AROUND 20. WEST WINDS AROUND 20 MPH.
MONDAY
COLDER. MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE MID
30S. WEST WINDS AROUND 10 MPH.
TUESDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.
WYZ288-191315-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......9 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1600-3600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........53-59 PERCENT.
24 HR TREND......29 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 40
MPH.
RIDGE TOP WINDS.....WEST AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. SHOWERS LIKELY LATE IN THE
AFTERNOON. CHANCE OF SHOWERS 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 50 MPH UNTIL 1500, THEN AROUND 30 MPH
WITH GUSTS TO AROUND 50 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 1200, THEN AROUND
35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 1200, THEN AROUND 50
MPH.
MIXING HEIGHT.......1600-3600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. SNOW SHOWERS LIKELY AND
CHANCE OF SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. WEST WINDS AROUND
25 MPH.
MONDAY
COLDER. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 30S. WEST WINDS AROUND 15 MPH.
TUESDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 30S.
HIGHS IN THE UPPER 40S. WEST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND
50. WEST WINDS AROUND 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
WYZ414-191315-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......28 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........73-79 PERCENT.
24 HR TREND......23 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 0300, THEN
SOUTH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS IN THE AFTERNOON. CHANCE OF
SNOW SHOWERS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1500, THEN WEST AROUND 20
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 35 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLOUDY. SHOWERS AND SNOW SHOWERS LIKELY IN
THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN
THE MID 20S. WEST WINDS AROUND 20 MPH.
MONDAY
COLDER. MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN
THE UPPER 30S. WEST WINDS AROUND 10 MPH.
TUESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS
AROUND 50. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 30. HIGHS AROUND 50.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 50S.
WYZ278-191315-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY. SLIGHT
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........27-33 PERCENT.
24 HR TREND......9 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 3800-5200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....24-29.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......18 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200,
THEN SOUTHWEST AROUND 15 MPH WITH GUSTS TO
AROUND 40 MPH UNTIL 1500, THEN WEST AROUND 25
MPH WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTHWEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN AROUND 35
MPH.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200, THEN 3800-5800 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD TO EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE EVENING. LOWS IN THE MID 20S. WEST WINDS AROUND 20 MPH.
MONDAY
COOLER. MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE MID
40S. NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID
50S.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
WYZ277-191315-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....45-50.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......20 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-4200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....27-32.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........63-69 PERCENT.
24 HR TREND......19 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
UNTIL 2400, THEN 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....55-60.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........30-36 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 10 MPH WITH
GUSTS TO AROUND 25 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 40 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 3800-5800 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS IN THE EVENING.
LOWS IN THE UPPER 20S. WEST WINDS AROUND 20 MPH.
MONDAY
COOLER, CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
UPPER 40S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S.
HIGHS 56 TO 61.
WYZ279-191315-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....46-51.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGE TOP WINDS.....WEST AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 4200-5400 FT
AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......17 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......13 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND
30 MPH.
MIXING HEIGHT.......200-1800 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS AROUND
20 MPH.
MONDAY
COOLER, CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER
40S. WEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S.
HIGHS 56 TO 61.
WYZ289-191315-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF SHOWERS EARLY IN THE MORNING. SLIGHT
CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......2000-4000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........52-58 PERCENT.
24 HR TREND......34 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......15 DEGREES WARMER.
MIN HUMIDITY........28-34 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH UNTIL 1500,
THEN AROUND 30 MPH. GUSTS UP TO 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 1200, THEN AROUND
40 MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
BREEZY. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN CHANCE OF SNOW SHOWERS AND SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS AROUND 25 MPH.
MONDAY
COOLER, CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID
40S. WEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S.
WYZ300-191315-
CASPER MOUNTAIN-
501 AM MDT SAT OCT 18 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. SNOW
SHOWERS LIKELY AND CHANCE OF SHOWERS IN THE
MORNING. SNOW ACCUMULATION UP TO 1 INCH. CHANCE
OF PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......2600-4600 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......35 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 45 MPH UNTIL 0300, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN AROUND
25 MPH.
MIXING HEIGHT.......200-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......20 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......19 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH WITH
GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 1200, THEN AROUND
45 MPH.
MIXING HEIGHT.......200-2200 FT AGL UNTIL 1200, THEN 2200-4200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
IN THE EVENING, THEN CHANCE OF SHOWERS AND SNOW SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS AROUND 25 MPH.
MONDAY
COLDER. MOSTLY CLEAR. SLIGHT CHANCE OF SNOW SHOWERS.
LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND
15 MPH.
TUESDAY
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
50S. SOUTHWEST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 54 TO 59.
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