690
FNUS55 KRIW 151102
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
501 AM MDT WED APR 15 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---
WYZ280-152200-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......1 PERCENT WETTER.
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 0900, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1300, THEN 30 TO 35
MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1000. 8800-9800 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1000. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42-47.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........49-55 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 40 MPH UNTIL 2400, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2000, THEN SOUTHWEST
AROUND 30 MPH.
MIXING HEIGHT.......8400-9000 FT AGL UNTIL 1900. 1000-2000 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR TO FAIR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED RAIN SHOWERS AND SNOW SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS, SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........26-32 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 35 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 1700, THEN
NORTHWEST.
MIXING HEIGHT.......1000-2200 FT AGL UNTIL 0800, THEN 3000-4400 FT
AGL UNTIL 1000, THEN 5200-6800 FT AGL UNTIL
1200, THEN 6600-8600 FT AGL UNTIL 1700, THEN
4800-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 0900, THEN VERY GOOD UNTIL
1100, THEN EXCELLENT UNTIL 1700, THEN VERY
GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MUCH COLDER. SNOW SHOWERS, ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 20S. NORTH WINDS AROUND 15 MPH.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS AROUND
15. HIGHS IN THE LOWER 30S. NORTH WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE MID 40S. WEST WINDS AROUND 15 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 67 TO 72.
WYZ283-152200-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....57-62.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH
HIGHER GUSTS UNTIL 1200, THEN 20 TO 25 MPH WITH
GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200. SOUTHWEST AROUND
35 MPH AFTER 1600.
MIXING HEIGHT.......600-2200 FT AGL UNTIL 1000. 6600-8600 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS EARLY IN
THE EVENING. SCATTERED RAIN SHOWERS IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF SHOWERS 50
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........58-64 PERCENT.
24 HR TREND......2 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2000, THEN AROUND
25 MPH.
MIXING HEIGHT.......6400-7400 FT AGL UNTIL 1900. 800-2400 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
NUMEROUS SNOW SHOWERS AND SCATTERED RAIN
SHOWERS IN THE MORNING, THEN SNOW SHOWERS WITH
POSSIBLE SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 30
MPH UNTIL 1200, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN
NORTHWEST.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 40 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN
NORTHWEST.
MIXING HEIGHT.......800-2200 FT AGL UNTIL 0800, THEN 2800-4400 FT
AGL UNTIL 1000, THEN 5200-7200 FT AGL UNTIL
1700, THEN 4800-5000 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 1100, THEN VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS AND SHOWERS IN THE
EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 20S.
NORTH WINDS AROUND 15 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS
AROUND 17. HIGHS IN THE MID 30S. NORTH WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND
60. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS AROUND 70.
WYZ285-152200-
SOUTH BIGHORN MOUNTAINS-
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN 25 TO 30
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200. AROUND 35 MPH
AFTER 1600.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1000. 7000-8000 FT AGL
AFTER 1500.
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......8 DEGREES WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......4 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH WITH
GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH.
MIXING HEIGHT.......6400-7200 FT AGL UNTIL 1900. 400-1400 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED SNOW SHOWERS AND RAIN SHOWERS IN THE
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH UNTIL
1500, THEN NORTHWEST. GUSTS UP TO 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 1600, THEN
NORTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 85 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN
NORTHWEST.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 0900, THEN 3000-5000 FT
AGL UNTIL 1200, THEN 4000-6000 FT AGL UNTIL
1700, THEN 2800-3400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD UNTIL 1700, THEN FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS. LOWS IN THE LOWER 20S.
NORTH WINDS AROUND 15 MPH.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS AROUND
17. HIGHS IN THE UPPER 20S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER
30S. WEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND
50. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS AROUND 60.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S.
WYZ281-152200-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST 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.....SOUTHWEST 15 TO 20 MPH UNTIL 1500, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1400, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1000. 7800-9800 FT AGL
AFTER 1300.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1300. EXCELLENT AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38-43.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2000, THEN 20 TO
25 MPH.
MIXING HEIGHT.......7400-8600 FT AGL UNTIL 1900. 800-1600 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED SNOW SHOWERS AND ISOLATED RAIN
SHOWERS IN THE MORNING, THEN RAIN SHOWERS, SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....50-55.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......19 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 1500, THEN NORTH AROUND
25 MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1100, THEN
NORTHWEST 25 TO 30 MPH UNTIL 1700, THEN NORTH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 65 PERCENT.
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH UNTIL 1500, THEN NORTH.
MIXING HEIGHT.......800-2600 FT AGL UNTIL 0900, THEN 3400-5400 FT
AGL UNTIL 1700, THEN 2800-3400 FT AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS IN THE EVENING, THEN
NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 20S.
NORTH WINDS AROUND 15 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS
AROUND 18. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
40S. WEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS 70 TO 75.
WYZ282-152200-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....57-62.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN SOUTH
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH UNTIL
1500, THEN SOUTHWEST AROUND 20 MPH WITH GUSTS
TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST
20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200. SOUTHWEST AROUND
30 MPH AFTER 1400.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 1000. 8200-9400 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200. EXCELLENT AFTER 1500.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......1 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30
MPH UNTIL 2100, THEN 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 2300, THEN SOUTH
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2100, THEN 15 TO
20 MPH.
MIXING HEIGHT.......7600-8400 FT AGL UNTIL 1900. 600-1600 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON. LITTLE
OR NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN NORTHWEST 20 TO
25 MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN
NORTHWEST 20 TO 25 MPH UNTIL 1500, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 65 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN NORTHWEST 25
TO 30 MPH.
MIXING HEIGHT.......800-2600 FT AGL UNTIL 0900, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS AND SHOWERS IN THE
EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S.
NORTHWEST WINDS AROUND 15 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS IN
THE LOWER 20S. HIGHS IN THE LOWER 40S. NORTHWEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS AROUND 50.
SOUTH WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 60S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
70S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 70S.
WYZ275-152200-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN SOUTHWEST AROUND 20 MPH WITH
GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1000, THEN 20 TO 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1200, THEN SOUTHWEST
25 TO 30 MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1000. 7600-9000 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED RAIN SHOWERS AND SNOW SHOWERS EARLY IN
THE MORNING. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-40.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......6 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 2200, THEN SOUTH
15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0500, THEN
NORTHWEST.
MIXING HEIGHT.......6800-7800 FT AGL UNTIL 1900. 600-1400 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND RAIN
SHOWERS IN THE MORNING. ISOLATED THUNDERSTORMS
THROUGH THE DAY. SNOW SHOWERS AND RAIN SHOWERS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1
INCH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......14 DEGREES COOLER.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......24 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. NORTHWEST 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 0900, THEN NORTHWEST 25
TO 30 MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 65 PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 1200, THEN AROUND
30 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1100, THEN 2800-4400 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER, CLOUDY. NUMEROUS SNOW SHOWERS IN THE
EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 20S. NORTHWEST WINDS AROUND 20 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 40S. NORTHWEST WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 50S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN
THE LOWER 60S. SOUTHEAST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 70S.
WYZ276-152200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED RAIN SHOWERS LATE IN THE AFTERNOON.
CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....55-60.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 1500, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1100, THEN 30 TO
35 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1000. 6400-7800 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1100, THEN EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING. SCATTERED RAIN SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......14 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 0300, THEN NORTHWEST AND
GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2100. WEST AROUND
15 MPH AFTER 0500.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2000, THEN 20 TO
25 MPH UNTIL 0300, THEN NORTHWEST.
MIXING HEIGHT.......4600-6600 FT AGL UNTIL 2000, THEN 600-1800 FT
AGL.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SNOW
SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2
INCHES. CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......14 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1200, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 0900, THEN NORTH
25 TO 30 MPH.
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 75 PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 1100, THEN NORTH
AROUND 30 MPH.
MIXING HEIGHT.......2400-4400 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER, CLOUDY. NUMEROUS SNOW SHOWERS IN THE
EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 20S. NORTH WINDS AROUND 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS IN THE
LOWER 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE
LOWER 50S. WEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
WYZ287-152200-
OWL CREEK MOUNTAINS-
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........27-33 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100. 30 TO 35 MPH
AFTER 1400.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1000. 6000-8000 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS EARLY IN
THE EVENING. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. ISOLATED SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........59-65 PERCENT.
24 HR TREND......8 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 0300, THEN AROUND 15 MPH
AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2300, THEN AROUND
20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2100, THEN 20 TO
25 MPH.
MIXING HEIGHT.......5600-6600 FT AGL UNTIL 1900. 400-1600 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
NUMEROUS SNOW SHOWERS AND RAIN SHOWERS IN THE
MORNING, THEN SNOW SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 2 INCHES. CHANCE OF
PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....45-50.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1500, THEN NORTH AROUND 25
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1300, THEN WEST
AROUND 30 MPH UNTIL 1700, THEN NORTHWEST.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 70 PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1300, THEN NORTHWEST
AROUND 30 MPH UNTIL 1700, THEN NORTH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 0900, THEN 3000-5000 FT
AGL UNTIL 1200, THEN 4400-6200 FT AGL UNTIL
1700, THEN 3600-4200 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS IN THE EVENING, THEN
NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 20S.
NORTH WINDS AROUND 20 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS
AROUND 19. HIGHS IN THE MID 30S. NORTH WINDS AROUND 15 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE UPPER 20S.
HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S.
WYZ286-152200-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
501 AM MDT WED APR 15 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
MDT FRIDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY. SCATTERED SNOW SHOWERS
THROUGH THE DAY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....42-47.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 35
MPH UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1200, THEN SOUTHWEST
AROUND 30 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1000. SOUTHWEST 40 TO
45 MPH AFTER 1500.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1000, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1000, THEN VERY GOOD TO
EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN
SHOWERS THROUGH THE NIGHT. ISOLATED
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........73-79 PERCENT.
24 HR TREND......8 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 40 MPH UNTIL 0300, THEN 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 0500, THEN WEST
AROUND 20 MPH.
CHC OF WETTING RAIN.25 PERCENT UNTIL 2400, THEN 50 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 40 MPH UNTIL 2000. WEST AROUND
25 MPH AFTER 0400.
MIXING HEIGHT.......2600-4000 FT AGL UNTIL 2000, THEN 800-1800 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD UNTIL 2000, THEN POOR TO
FAIR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. SNOW ACCUMULATION OF 1 TO 4
INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....32-37.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.65 PERCENT UNTIL 1200, THEN 85 PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......3400-5400 FT AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SNOW SHOWERS IN THE
EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND
14. NORTHWEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 13. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN
THE UPPER 30S. WEST WINDS AROUND 15 MPH.
SUNDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS
IN THE UPPER 40S. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S.
WYZ140-152200-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
501 AM MDT WED APR 15 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
MDT FRIDAY...
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 6 INCHES. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....39-44.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........59-65 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 20
MPH UNTIL 0900, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN 20 TO
25 MPH.
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 45 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0900. 35 TO 40 MPH
AFTER 1400.
MIXING HEIGHT.......1800-3800 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS, RAIN SHOWERS AND
ISOLATED THUNDERSTORMS. SNOW ACCUMULATION OF 1
TO 9 INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....21-26.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......9 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30
MPH UNTIL 0300, THEN 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.85 PERCENT UNTIL 2400, THEN 95 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2100, THEN 25 TO
30 MPH.
MIXING HEIGHT.......800-2800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
THURSDAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. SNOW ACCUMULATION OF 2 TO 6
INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....28-33.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........61-67 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.95 PERCENT UNTIL 1200, THEN 85 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1100, THEN 3400-4800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS IN
THE EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS
AROUND 11. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 11. HIGHS IN THE UPPER 20S. WINDS
GENERALLY LESS THAN 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 16. HIGHS IN THE UPPER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER
40S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN CHANCE OF SNOW SHOWERS, SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
50S.
WYZ415-152200-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
501 AM MDT WED APR 15 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
MDT FRIDAY...
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN
SHOWERS IN THE MORNING, THEN SNOW SHOWERS, RAIN
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........64-70 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 40 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000, THEN 25 TO
30 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1100, THEN 2200-4000 FT
AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS, RAIN SHOWERS AND
ISOLATED THUNDERSTORMS. SNOW ACCUMULATION UP TO
7 INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....21-26.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......4 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.92 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......800-2600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. SNOW ACCUMULATION OF 1 TO 4
INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....30-35.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........63-69 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.75 PERCENT UNTIL 1200, THEN 55 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......3000-5000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SNOW SHOWERS IN THE EVENING,
THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND 14. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 13. HIGHS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE UPPER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS AROUND 30. HIGHS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN CHANCE OF SNOW SHOWERS, SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
50S.
WYZ416-152200-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
501 AM MDT WED APR 15 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT FRIDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED SNOW SHOWERS IN THE LATE MORNING AND
EARLY AFTERNOON. SCATTERED SNOW SHOWERS LATE IN
THE AFTERNOON. SCATTERED RAIN SHOWERS LATE IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1300, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1000. SOUTHWEST AROUND
35 MPH AFTER 1500.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 1000, THEN 2400-4400 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
SCATTERED RAIN SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. SNOW SHOWERS
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 4
INCHES. CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....24-29.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........86-92 PERCENT.
24 HR TREND......8 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 35 MPH UNTIL 0300, THEN 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH.
CHC OF WETTING RAIN.40 PERCENT UNTIL 2400, THEN 60 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 0500, THEN AROUND
25 MPH.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
THURSDAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. SNOW ACCUMULATION OF 1 TO 5
INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....31-36.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........63-69 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.62 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 1200, THEN 3200-4400 FT
AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. NUMEROUS SNOW SHOWERS. LOWS AROUND 10.
NORTHWEST WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 9. HIGHS IN THE MID 20S. NORTH WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 16. HIGHS IN THE MID 30S.
WEST WINDS AROUND 10 MPH.
SUNDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS AROUND 50.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN CHANCE OF SNOW SHOWERS AND SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 50S.
WYZ288-152200-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
501 AM MDT WED APR 15 2026
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT FRIDAY...
TODAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
AFTERNOON. SCATTERED SNOW SHOWERS AND ISOLATED
RAIN SHOWERS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 20 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1200, THEN SOUTHWEST AROUND
30 MPH WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN SOUTHWEST 30
TO 35 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1100. SOUTHWEST AROUND
45 MPH AFTER 1500.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1100, THEN 3600-5600 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1200, THEN EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND
NUMEROUS RAIN SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. NUMEROUS SNOW
SHOWERS AND SCATTERED RAIN SHOWERS AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 6 INCHES.
CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....30-35.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......9 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS AROUND 30 MPH WITH GUSTS
TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 30 TO 35 MPH.
CHC OF WETTING RAIN.30 PERCENT UNTIL 2400, THEN 50 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 40 TO 45 MPH UNTIL 2100, THEN 35 TO
40 MPH UNTIL 2400, THEN 40 TO 45 MPH UNTIL
0500, THEN AROUND 35 MPH.
MIXING HEIGHT.......2800-4600 FT AGL UNTIL 2000, THEN 600-2200 FT
AGL.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR TO FAIR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED RAIN SHOWERS EARLY IN THE MORNING.
SNOW SHOWERS AND ISOLATED THUNDERSTORMS THROUGH
THE DAY. SNOW ACCUMULATION UP TO 7 INCHES.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....39-44.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH. GUSTS UP
TO 40 MPH UNTIL 1200, THEN 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.50 PERCENT UNTIL 1200, THEN 80 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 1600, THEN WEST
AROUND 25 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 0900, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS. LOWS AROUND 15. NORTHWEST
WINDS AROUND 10 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 13. HIGHS IN THE MID 20S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S.
HIGHS IN THE UPPER 30S. WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
IN THE MID 30S. HIGHS IN THE MID 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE
OF SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S.
WYZ414-152200-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS IN THE MORNING. NUMEROUS RAIN SHOWERS
AND SCATTERED SNOW SHOWERS IN THE AFTERNOON.
LITTLE OR NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100. 30 TO 35 MPH
AFTER 1600.
MIXING HEIGHT.......400-1600 FT AGL UNTIL 1000, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS IN THE
EVENING. RAIN SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. SNOW SHOWERS
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 3
INCHES. CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....24-29.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........84-90 PERCENT.
24 HR TREND......7 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.60 PERCENT UNTIL 2400, THEN 75 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED THUNDERSTORMS UNTIL
LATE AFTERNOON. SNOW SHOWERS THROUGH THE DAY.
SNOW ACCUMULATION OF 1 TO 5 INCHES. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....31-36.
24 HR TREND......10 DEGREES COOLER.
MIN HUMIDITY........59-65 PERCENT.
24 HR TREND......7 PERCENT WETTER.
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.75 PERCENT UNTIL 1200, THEN 60 PERCENT.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
MIXING HEIGHT.......2200-4200 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SNOW SHOWERS IN THE
EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND
16. WEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 15. HIGHS AROUND 30. NORTHWEST WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS AROUND 40.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE
LOWER 50S. SOUTH WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN CHANCE OF SHOWERS, SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
50S.
WYZ278-152200-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS LATE IN
THE AFTERNOON. SCATTERED SNOW SHOWERS LATE IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....47-52.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900.
WINDS SOUTHWEST AROUND 25 MPH WITH GUSTS TO
AROUND 40 MPH AFTER 1500.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1100. AROUND 30
MPH AFTER 1400.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1000. SOUTHWEST 35 TO
40 MPH AFTER 1400.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1000. 5800-7600 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY. NUMEROUS SNOW SHOWERS
IN THE EVENING. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS THROUGH THE NIGHT.
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LITTLE
OR NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........78-84 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 2400, THEN AROUND 15 MPH
WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2300, THEN 15 TO
20 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2100. AROUND 20
MPH AFTER 0500.
MIXING HEIGHT.......4600-6400 FT AGL UNTIL 2000, THEN 1200-2400 FT
AGL.
SMOKE DISPERSAL.....EXCELLENT UNTIL 2000, THEN POOR TO FAIR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE
MORNING. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH THE DAY. NUMEROUS RAIN
SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP
TO 1 INCH. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......8 PERCENT WETTER.
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 15 TO 20 MPH UNTIL 1100, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.15 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......1200-2800 FT AGL UNTIL 0900. 4400-6000 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH SCATTERED SNOW
SHOWERS. LOWS AROUND 17. NORTHWEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 13. HIGHS IN THE MID 30S. NORTHWEST
WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN
THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS, THUNDERSTORMS
AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 60S.
WYZ277-152200-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS LATE IN
THE AFTERNOON. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN AROUND 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1000. AROUND 30
MPH AFTER 1300.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000. 35 TO 40 MPH
AFTER 1400.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1000. 5800-7400 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY. SCATTERED RAIN SHOWERS,
SNOW SHOWERS AND ISOLATED THUNDERSTORMS. CHANCE
OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......3 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 35 MPH UNTIL 0300, THEN AROUND 15 MPH
WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 2400, THEN AROUND
20 MPH.
CHC OF WETTING RAIN.7 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2100, THEN 25 TO
30 MPH.
MIXING HEIGHT.......4600-6000 FT AGL UNTIL 2000, THEN 1000-2000 FT
AGL.
SMOKE DISPERSAL.....EXCELLENT UNTIL 2000, THEN POOR TO FAIR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED RAIN SHOWERS IN THE MORNING. SNOW
SHOWERS THROUGH THE DAY. NUMEROUS RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SNOW ACCUMULATION UP TO 2 INCHES. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........54-60 PERCENT.
24 HR TREND......19 PERCENT WETTER.
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 35 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1200, THEN AROUND 30
MPH.
CHC OF WETTING RAIN.32 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1100, THEN WEST
AROUND 30 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1000, THEN 3400-5200 FT
AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SCATTERED SNOW SHOWERS
IN THE EVENING, THEN ISOLATED SNOW SHOWERS AFTER MIDNIGHT. LOWS
AROUND 18. WEST WINDS AROUND 15 MPH.
FRIDAY
COLDER. PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS AROUND 17. HIGHS IN THE MID 30S.
NORTHWEST WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS,
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE
LOWER 60S.
WYZ279-152200-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 0900. SOUTHWEST AROUND
35 MPH AFTER 1600.
MIXING HEIGHT.......400-800 FT AGL UNTIL 0900. 7000-9000 FT AGL
AFTER 1200.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1000. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........62-68 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH WITH
GUSTS TO AROUND 35 MPH UNTIL 2100, THEN AROUND
15 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0300, THEN AROUND
15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 2000, THEN 20 TO
25 MPH.
MIXING HEIGHT.......7400-7800 FT AGL UNTIL 1900. 800-2600 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED RAIN SHOWERS AND SNOW SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS, SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS AROUND 15 MPH WITH
HIGHER GUSTS UNTIL 0900, THEN 25 TO 30 MPH WITH
GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 0900. 30 TO 35 MPH
AFTER 1200.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0900. 35 TO 40 MPH
AFTER 1200.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 0900, THEN 3000-5000 FT
AGL UNTIL 1100, THEN 6000-8000 FT AGL UNTIL
1700, THEN 4600-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1000, THEN VERY GOOD UNTIL
1100, THEN EXCELLENT UNTIL 1700, THEN VERY GOOD
TO EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. NUMEROUS SNOW SHOWERS AND SHOWERS IN
THE EVENING, THEN NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. LOWS
AROUND 20. WEST WINDS AROUND 20 MPH.
FRIDAY
MUCH COLDER. PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS AROUND 17. HIGHS IN THE MID 30S.
NORTHWEST WINDS AROUND 15 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS 63 TO 68.
WYZ289-152200-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH UNTIL 1200, THEN 25 TO 30 MPH
WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN 30 TO
35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 0900. SOUTHWEST AROUND
40 MPH AFTER 1600.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1000. 7800-8600 FT AGL
AFTER 1500.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS AFTER
MIDNIGHT. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 40 MPH UNTIL 2400, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 0500, THEN AROUND
20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 40 MPH UNTIL 2000, THEN AROUND
30 MPH.
MIXING HEIGHT.......6000-8000 FT AGL UNTIL 2000, THEN 1000-2800 FT
AGL.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR TO FAIR AFTER 2000.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS, SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON. NO SNOW ACCUMULATION. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....55-60.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH UNTIL 1200, THEN 25 TO 30 MPH
WITH GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0900, THEN 30 TO
35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 30 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 0900, THEN 3400-5200 FT
AGL UNTIL 1100, THEN 5800-7800 FT AGL UNTIL
1700, THEN 4800-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 0900. VERY GOOD TO EXCELLENT
AFTER 1100.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. SNOW SHOWERS AND SHOWERS IN THE
EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND 20.
NORTHWEST WINDS AROUND 15 MPH.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS AROUND
15. HIGHS AROUND 30. NORTH WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 20S.
HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN
THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S.
WYZ300-152200-
CASPER MOUNTAIN-
501 AM MDT WED APR 15 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 35 MPH UNTIL 1500, THEN 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 0900, THEN WEST 25
TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1000. WEST AROUND
40 MPH AFTER 1700.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1000. 7600-8800 FT AGL
AFTER 1400.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1000. EXCELLENT AFTER 1400.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........46-52 PERCENT.
24 HR TREND......11 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 2000, THEN SOUTHWEST 30
TO 35 MPH.
MIXING HEIGHT.......7800-8400 FT AGL UNTIL 1900. 600-1400 FT AGL
AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2000.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY. SCATTERED RAIN SHOWERS
AND SNOW SHOWERS IN THE AFTERNOON. ISOLATED
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0900, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 1000, THEN 35 TO
40 MPH UNTIL 1500, THEN AROUND 30 MPH.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 0800, THEN 2400-4000 FT
AGL UNTIL 1000, THEN 5000-7000 FT AGL UNTIL
1200, THEN 6800-8600 FT AGL UNTIL 1700, THEN
5800-6400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 0800, THEN GOOD TO VERY GOOD
UNTIL 1000, THEN EXCELLENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MUCH COLDER. NUMEROUS SNOW SHOWERS AND SHOWERS
IN THE EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT. LOWS AROUND 20.
NORTH WINDS AROUND 15 MPH.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS AROUND
15. HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 30S. WEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S.
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