000
FNUS55 KRIW 181102
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
501 AM MDT WED MAR 18 2026
DISCUSSION
***THIS PRODUCT IS CURRENTLY AUTOMATED WITH NO DISCUSSION
AND WILL NOT BE REFRESHED WITH ALL FORECAST UPDATES. IT SHOULD
BE USED FOR PLANNING PURPOSES ONLY. IF YOU NEED ADDITIONAL FIRE
WEATHER INFORMATION, PLEASE CONTACT THE NWS OFFICE IN RIVERTON,
WYOMING. THE HUMAN WRITTEN DISCUSSION SECTION ALONG WITH THE FIRE
WEATHER FORECAST WILL RESUME REGULAR OPERATIONS SOMETIME IN
SPRING 2026.***
---THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS---
WYZ280-182200-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........11-17 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN WEST AROUND
25 MPH WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. 35 TO 40 MPH
AFTER 1300.
MIXING HEIGHT.......400-1600 FT AGL UNTIL 1100. 4600-6600 FT AGL
AFTER 1300.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42-47.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........42-48 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH
AND GUSTY.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2300, THEN SOUTHWEST
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2000, THEN 15 TO 20
MPH.
MIXING HEIGHT.......3200-3600 FT AGL UNTIL 1900, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....72-77.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........9-15 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200. 4000-6000 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1300, THEN GOOD TO VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WEST WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 15 MPH.
SUNDAY
MUCH COOLER. MOSTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S.
WYZ283-182200-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1500, THEN WEST AROUND
25 MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1400, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200. AROUND 35 MPH
AFTER 1500.
MIXING HEIGHT.......600-2400 FT AGL UNTIL 1200. 4800-6200 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1300, THEN VERY GOOD TO
EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........43-49 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH
AND GUSTY.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2200, THEN SOUTHWEST
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2000, THEN 15 TO 20
MPH.
MIXING HEIGHT.......3600-4400 FT AGL UNTIL 1900, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........15-21 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
UNTIL 1500, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1400, THEN AROUND 25
MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1300. 4400-6000 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....GOOD UNTIL 1500, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 15 MPH.
SUNDAY
COOLER. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S.
WYZ285-182200-
SOUTH BIGHORN MOUNTAINS-
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........19-25 PERCENT.
24 HR TREND......9 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 1200, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1000, THEN 25 TO 30
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. 35 TO 40 MPH
AFTER 1300.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200. 3600-5600 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....GOOD UNTIL 1400, THEN VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42-47.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........37-43 PERCENT.
24 HR TREND......12 PERCENT DRIER.
HUMIDITY RECOVERY...POOR.
20-FOOT WINDS.......BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 2100, THEN 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2100, THEN 15 TO 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2100, THEN 15 TO 20
MPH.
MIXING HEIGHT.......2200-3000 FT AGL UNTIL 1900, THEN 200-800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 1500, THEN AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1500, THEN AROUND 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 30 TO 35
MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1300, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. WEST WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 70. WEST WINDS AROUND
15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS AROUND 50. EAST WINDS
AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
50S.
TUESDAY
MOSTLY CLOUDY. HIGHS AROUND 60.
WYZ281-182200-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN WEST 20
TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200. NORTHWEST 30
TO 35 MPH AFTER 1500.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 1100, THEN 3200-5200 FT
AGL UNTIL 1300, THEN 6200-8200 FT AGL UNTIL
1700, THEN 5400-6000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38-43.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........52-58 PERCENT.
24 HR TREND......11 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
15 MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 0300, THEN SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH UNTIL 1900, THEN 10 TO
15 MPH UNTIL 0200, THEN SOUTHWEST.
MIXING HEIGHT.......2800-3600 FT AGL UNTIL 1900, THEN 400-1200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........14-20 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST
10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1400, THEN WEST 15
TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1100, THEN WEST 20
TO 25 MPH UNTIL 1500, THEN 25 TO 30 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3200-5000 FT
AGL UNTIL 1400, THEN 5800-7800 FT AGL UNTIL
1600, THEN 3800-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1400, THEN VERY GOOD UNTIL
1700, THEN FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 70S. NORTHWEST
WINDS AROUND 15 MPH.
SUNDAY
MUCH COOLER. MOSTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. EAST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S.
WYZ282-182200-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN SOUTH
AROUND 10 MPH UNTIL 1200, THEN WEST WITH HIGHER
GUSTS UNTIL 1500, THEN AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1300, THEN WEST 15 TO
20 MPH UNTIL 1500, THEN AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1100, THEN WEST 15 TO
20 MPH UNTIL 1300, THEN 25 TO 30 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200. 5400-7000 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1300. VERY GOOD TO EXCELLENT
AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........44-50 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY UNTIL 2400,
THEN SOUTH WITH GUSTS TO AROUND 15 MPH UNTIL
0300, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 2300, THEN SOUTH 10 TO
15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 2000, THEN AROUND 15
MPH UNTIL 0200, THEN SOUTHWEST.
MIXING HEIGHT.......3200-3800 FT AGL UNTIL 1900, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........16-22 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN WEST
AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1400, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1300, THEN WEST 15
TO 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1300. 3800-5800 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1500, THEN GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 30S. HIGHS AROUND 80. WEST WINDS AROUND 15 MPH.
SUNDAY
MUCH COOLER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS
IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S.
WYZ275-182200-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN SOUTH
AROUND 10 MPH WITH HIGHER GUSTS UNTIL 1500,
THEN WEST WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1300, THEN WEST 15 TO
20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN WEST 20 TO
25 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200. 4400-6200 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....GOOD UNTIL 1500, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........49-55 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15
MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 2200, THEN AROUND 10
MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 2200, THEN AROUND 10
MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......2200-3000 FT AGL UNTIL 1900, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1500, THEN SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1400, THEN WEST 20 TO
25 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1300, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTH WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
MID 30S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 15 MPH.
SUNDAY
MUCH COOLER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS
IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ276-182200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........19-25 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 1500, THEN WEST AROUND
25 MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1400, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN 30 TO 35
MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 4000-6000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........41-47 PERCENT.
24 HR TREND......4 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 2000, THEN 600-1200 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 25
MPH UNTIL 1500, THEN 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1200, THEN 30 TO 35
MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200. 4400-6400 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD UNTIL
1500, THEN EXCELLENT UNTIL 1700, THEN VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S. SOUTHWEST WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 30S. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 20 MPH.
SUNDAY
COOLER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN
THE MID 50S. NORTH WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S.
WYZ287-182200-
OWL CREEK MOUNTAINS-
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN WEST 25 TO 30
MPH WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000. WEST 30 TO
35 MPH AFTER 1600.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. 30 TO 35 MPH
AFTER 1400.
MIXING HEIGHT.......200-2200 FT AGL UNTIL 1200. 4000-5800 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........33-39 PERCENT.
24 HR TREND......4 PERCENT DRIER.
HUMIDITY RECOVERY...POOR.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......2600-3200 FT AGL UNTIL 1900, THEN 200-1200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........15-21 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1500, THEN
WEST AROUND 20 MPH. GUSTS UP TO 20 MPH UNTIL
1500, THEN 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1300, THEN AROUND 25
MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL UNTIL 1500, THEN 4800-6600 FT AGL UNTIL
1700, THEN 3800-4600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1400, THEN GOOD TO VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 15 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 20 MPH.
SUNDAY
COOLER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN
THE MID 50S. NORTHEAST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S.
WYZ286-182200-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....51-56.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......WINDY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1200, THEN AROUND 30 MPH
WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1300, THEN 30 TO 35
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 30 TO 35 MPH.
MIXING HEIGHT.......1600-3600 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........47-53 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 35
MPH UNTIL 0300, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 0200, THEN 20 TO 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
MIXING HEIGHT.......400-2200 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH
UNTIL 1500, THEN 35 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1100, THEN 35 TO 40
MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 2600-4600 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 50S.
WEST WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS AROUND 30. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 20 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST
WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE LOWER 30S. HIGHS IN THE UPPER 40S.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 40S.
WYZ140-182200-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH UNTIL 1700, THEN AROUND 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......18 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15
MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN
SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1300, THEN 1800-3800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE
OF SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 40S.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS AND
SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS AND SNOW SHOWERS
IN THE AFTERNOON. HIGHS IN THE UPPER 40S.
WYZ415-182200-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....50-55.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 15
MPH UNTIL 1200, THEN 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN WEST 20
TO 25 MPH.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........59-65 PERCENT.
24 HR TREND......12 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL
0300, THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN WEST 20
TO 25 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1300, THEN 2400-4400 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 30S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
HIGHS IN THE UPPER 40S.
WYZ416-182200-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 1500, THEN AROUND 20 MPH WITH GUSTS
TO AROUND 25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1600, THEN AROUND 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1300, THEN 25 TO 30
MPH.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........56-62 PERCENT.
24 HR TREND......15 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY UNTIL 0300,
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 0200, THEN AROUND 10
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH
UNTIL 1200, THEN 20 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1300, THEN 20 TO 25
MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1400, THEN 2000-3800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 50S. WEST WINDS AROUND 15 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. WEST WINDS
AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 40S.
WYZ288-182200-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........28-34 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 30
MPH UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1300, THEN 35 TO 40
MPH.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-40.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........47-53 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
UNTIL 2400, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2300, THEN AROUND 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....55-60.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1300, THEN 30 TO 35
MPH.
MIXING HEIGHT.......2000-4000 FT AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
50S. WEST WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 30S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND 20 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW
SHOWERS. LOWS AROUND 30. HIGHS AROUND 50. WEST WINDS AROUND
10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE LOWER 30S. HIGHS IN THE LOWER 50S.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 50S.
WYZ414-182200-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
MIXING HEIGHT.......1200-3200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........59-65 PERCENT.
24 HR TREND......14 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
MPH UNTIL 0300.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........32-38 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST
10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1400, THEN WEST
AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1500, THEN 20 TO 25
MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1400, THEN 2200-4200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 60S. WEST WINDS AROUND 10 MPH.
SUNDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S. WEST
WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT
CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 50S.
WYZ278-182200-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......BREEZY. UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200.
WINDS WEST AROUND 25 MPH WITH GUSTS TO AROUND
35 MPH AFTER 1500.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 1300, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1200, THEN 25 TO 30
MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1300, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........62-68 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2000, THEN NORTHWEST 10
TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 2000, THEN 10 TO 15
MPH.
MIXING HEIGHT.......3000-4600 FT AGL UNTIL 1900, THEN 400-1400 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH UNTIL 0900, THEN WEST UNTIL
1500, THEN AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1300, THEN 20 TO 25
MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1300, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1500, THEN GOOD TO VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY
LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND
70. WEST WINDS AROUND 10 MPH.
SUNDAY
COOLER. PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS
AROUND 60. NORTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS 58 TO 63.
WYZ277-182200-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN 25 TO 30
MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......9 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2000, THEN 10 TO 15
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 2000, THEN 10 TO 15
MPH.
MIXING HEIGHT.......2400-3600 FT AGL UNTIL 1900, THEN 400-1200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........19-25 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST
AROUND 15 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 1400, THEN AROUND 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1200, THEN 20 TO 25
MPH.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1200. 3600-5200 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. WINDS GENERALLY
LESS THAN 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLEAR. LOWS 36 TO 41. HIGHS
AROUND 70. WEST WINDS AROUND 10 MPH.
SUNDAY
COOLER. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. WEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S.
WYZ279-182200-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........12-18 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN WEST AROUND
25 MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO 30
MPH.
MIXING HEIGHT.......400-1600 FT AGL UNTIL 1100. 4400-6400 FT AGL
AFTER 1300.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........46-52 PERCENT.
24 HR TREND......13 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2100. DOWNSLOPE/DOWNVALLEY 4-7 MPH
AFTER 0300.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2100, THEN SOUTHWEST 10
TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 30 MPH UNTIL 1900, THEN 15 TO 20
MPH.
MIXING HEIGHT.......4600-5200 FT AGL UNTIL 1900, THEN 400-1200 FT
AGL.
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........10-16 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900. WINDS WEST
AROUND 20 MPH WITH GUSTS TO AROUND 30 MPH AFTER
1500.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200. 5000-6200 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1400, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLEAR. LOWS IN THE UPPER 30S. WEST WINDS AROUND
10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
70S. WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 70S. WEST WINDS AROUND 15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN
THE LOWER 60S. WEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ289-182200-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
501 AM MDT WED MAR 18 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
SATURDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN WEST AROUND
25 MPH WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST
AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100. 35 TO 40 MPH
AFTER 1500.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38-43.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........49-55 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2400, THEN AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 2000, THEN 15 TO 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2000, THEN 15 TO 20
MPH.
MIXING HEIGHT.......3200-4000 FT AGL UNTIL 1900, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO 30
MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
70S. WEST WINDS AROUND 15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
TUESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S.
WYZ300-182200-
CASPER MOUNTAIN-
501 AM MDT WED MAR 18 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 25 MPH
UNTIL 1200, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. 35 TO 40 MPH
AFTER 1300.
MIXING HEIGHT.......200-2200 FT AGL UNTIL 1200. 4400-6000 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........40-46 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH
WITH GUSTS TO AROUND 15 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 2200, THEN SOUTHWEST
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 2100, THEN 15 TO 20
MPH.
MIXING HEIGHT.......2600-3200 FT AGL UNTIL 1900, THEN 200-800 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........13-19 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN WEST 20
TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO 30
MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1300, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1400, THEN GOOD TO VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S. EAST WINDS AROUND
10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S.
TUESDAY
MOSTLY CLOUDY. HIGHS AROUND 60.
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