798
FNUS55 KBOI 012053
FWFBOI
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON
NATIONAL WEATHER SERVICE BOISE ID
253 PM MDT TUE SEP 1 2026
..ISOLATED/SCATTERED THUNDERSTORMS TONIGHT THROUGH WEDNESDAY
..GUSTY/LOW RH WITH LOCALLY ELEVATED FIRE WEATHER CONDITIONS
..SHOWERS ACROSS THE WEST/NORTH LATE WEDNESDAY INTO THURSDAY
DISCUSSION
* SOUTHWEST IDAHO BLM (ID ZONES 400, 420, 423, 424, 426)...
ISOLATED SHOWERS AND THUNDERSTORMS THIS EVENING ACROSS SOUTH-
CENTRAL IDAHO, AND IN NORTHERN AREAS WEDNESDAY MORNING. DRY AND
GUSTY CONDITIONS WILL CONTINUE INTO WEDNESDAY ESPECIALLY ACROSS
SOUTH- CENTRAL IDAHO, PRODUCING ELEVATED FIRE WEATHER
CONDITIONS. TEMPERATURES WILL ALSO BE COOLER. HIGHER HUMIDITY
WILL ARRIVE BY THURSDAY WITH SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS ACROSS THE WEST, ALTHOUGH WETTING RAIN CHANCES
WILL BE LOW TO THE SOUTH AND EAST. TEMPERATURES WILL REMAIN
BELOW NORMAL WITH A LOW CHANCE FOR SHOWERS AND THUNDERSTORMS
THROUGH THE END OF THE WEEK INTO THE WEEKEND.
* SOUTHWEST IDAHO FOREST (ID ZONES 401, 402, 403, 421)...
SCATTERED SHOWERS AND THUNDERSTORMS THIS EVENING, WITH MOSTLY
WET STORMS. HIGHER HUMIDITY AND COOLER TEMPERATURES WILL ARRIVE
WEDNESDAY ALONG WITH ADDITIONAL SHOWERS AND THUNDERSTORMS,
ESPECIALLY IN THE MORNING, AND BREEZY CONDITIONS. WIDESPREAD
SHOWERS AND EMBEDDED THUNDERSTORMS ARE EXPECTED WEDNESDAY NIGHT
INTO THURSDAY. POTENTIAL FOR WETTING RAIN WEDNESDAY INTO
THURSDAY IS HIGH, ESPECIALLY ACROSS THE NORTH. TEMPERATURES WILL
REMAIN BELOW NORMAL WITH A LOWER CHANCE FOR SHOWERS AND
THUNDERSTORMS THROUGH THE END OF THE WEEK INTO THE WEEKEND.
* SOUTHEAST OREGON (OR ZONES 670-675)... HIGHER HUMIDITY AND
COOLER TEMPERATURES WILL ARRIVE WEDNESDAY ALONG WITH ISOLATED
SHOWERS AND THUNDERSTORMS AND BREEZY CONDITIONS. WIDESPREAD
SHOWERS AND EMBEDDED THUNDERSTORMS ARE EXPECTED WEDNESDAY NIGHT
INTO THURSDAY. POTENTIAL FOR WETTING RAIN WEDNESDAY INTO
THURSDAY IS HIGH, ESPECIALLY ACROSS THE NORTH AND WEST.
TEMPERATURES WILL REMAIN BELOW NORMAL WITH A LOWER CHANCE FOR
SHOWERS AND THUNDERSTORMS THROUGH THE END OF THE WEEK INTO THE
WEEKEND.
IDZ401-021530-
WESTERN PAYETTE NATIONAL FOREST-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF
PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41 TO 51.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MAX HUMIDITY........74 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 50 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 9 MPH.
RIDGES/UPR SLOPES....SOUTHEAST AROUND 10 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. RAIN SHOWERS LIKELY, DECREASING
IN THE AFTERNOON. CHANCE OF PRECIPITATION 70
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....53 TO 68.
24 HR TREND......ON AVERAGE, 12 DEGREES COOLER.
MIN HUMIDITY........32 TO 47 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 10 TO 16 MPH. GUSTS TO 24 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH WITH GUSTS TO 26 MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 25 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF
SHOWERS 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38 TO 49.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........85 TO 99 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 10 TO 16 MPH WITH GUSTS TO 24 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH WITH GUSTS TO 26 MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-700 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....45 TO 60.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MIN HUMIDITY........57 TO 82 PERCENT.
24 HR TREND......ON AVERAGE, 29 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 9 TO 15 MPH WITH GUSTS TO 20 MPH.
RIDGES/UPR SLOPES....SOUTH 9 TO 15 MPH WITH GUSTS TO 24 MPH.
CWR /0.10 INCH/.....80 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......2500-3500 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
=
IDZ402-021530-
EASTERN PAYETTE NATIONAL FOREST-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....40 TO 48.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MAX HUMIDITY........81 TO 96 PERCENT.
24 HR TREND......ON AVERAGE, 54 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 10 MPH.
RIDGES/UPR SLOPES....SOUTHEAST AROUND 10 MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........A CHANCE OF THUNDERSTORMS. RAIN SHOWERS,
DECREASING IN THE AFTERNOON. CHANCE OF
PRECIPITATION 80 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....51 TO 66.
24 HR TREND......ON AVERAGE, 14 DEGREES COOLER.
MIN HUMIDITY........32 TO 47 PERCENT.
24 HR TREND......ON AVERAGE, 12 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 10 TO 16 MPH. GUSTS TO 18 MPH IN
THE MORNING, INCREASING TO 24 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 16 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF
SHOWERS 80 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36 TO 46.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MAX HUMIDITY........66 TO 96 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 11 TO 17 MPH WITH GUSTS TO 26 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH WITH GUSTS TO 28 MPH.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....46 TO 61.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MIN HUMIDITY........45 TO 65 PERCENT.
24 HR TREND......ON AVERAGE, 19 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 15 MPH WITH GUSTS TO 22
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 15 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....60 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......3000-4000 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
=
IDZ403-021530-
NORTHERN BOISE NATIONAL FOREST-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....39 TO 48.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MAX HUMIDITY........73 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 48 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST AROUND 8 MPH IN THE EVENING,
BECOMING LIGHT AFTER MIDNIGHT.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....53 TO 68.
24 HR TREND......ON AVERAGE, 14 DEGREES COOLER.
MIN HUMIDITY........29 TO 44 PERCENT.
24 HR TREND......ON AVERAGE, 4 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 15 MPH. GUSTS TO 16 MPH IN
THE MORNING, INCREASING TO 22 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 15 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........A SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN RAIN AND SNOW SHOWERS AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 80 PERCENT. NO SNOW
ACCUMULATION.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37 TO 46.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........74 TO 98 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 15 MPH WITH GUSTS TO 24
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 16 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-700 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....47 TO 62.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MIN HUMIDITY........49 TO 69 PERCENT.
24 HR TREND......ON AVERAGE, 25 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 14 MPH WITH GUSTS TO 18 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 14 MPH WITH GUSTS TO 22 MPH.
CWR /0.10 INCH/.....60 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......3500-4500 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
=
IDZ421-021530-
SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT. A CHANCE OF RAIN
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....43 TO 52, EXCEPT 38 TO 47 ABOVE 6500 FEET.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MAX HUMIDITY........62 TO 89 PERCENT.
24 HR TREND......ON AVERAGE, 28 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 8 TO 13 MPH. GUSTS TO 22 MPH IN THE
EVENING.
RIDGES/UPR SLOPES....EAST 8 TO 13 MPH. GUSTS TO 20 MPH IN THE
EVENING.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....63 TO 73, EXCEPT 54 TO 62 ABOVE 6500 FEET.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........19 TO 28 PERCENT, EXCEPT 24 TO 34 PERCENT ABOVE
6500 FEET.
24 HR TREND......ON AVERAGE, 7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY, MAINLY
AFTER MIDNIGHT. CHANCE OF SHOWERS 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39 TO 48.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MAX HUMIDITY........60 TO 85 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH. GUSTS TO 24 MPH IN
THE EVENING, DECREASING TO 18 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY, DECREASING
IN THE AFTERNOON. CHANCE OF SHOWERS 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....59 TO 70, EXCEPT 50 TO 60 ABOVE 6500 FEET.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MIN HUMIDITY........32 TO 47 PERCENT.
24 HR TREND......ON AVERAGE, 17 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 11 MPH WITH GUSTS TO 20 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 11 MPH WITH GUSTS TO 18 MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......5000-7000 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
=
IDZ400-021530-
NORTHERN BOISE BLM-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....50 TO 56.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MAX HUMIDITY........68 TO 83 PERCENT.
24 HR TREND......ON AVERAGE, 40 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 10 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE
OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67 TO 78.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MIN HUMIDITY........25 TO 32 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 11 TO 17 MPH WITH GUSTS TO 24 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH. GUSTS TO 18 MPH IN THE
MORNING, INCREASING TO 24 MPH IN THE
AFTERNOON.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8500-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT. CHANCE OF SHOWERS 90
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 53.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........79 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 13 MPH WITH GUSTS TO 24 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH WITH GUSTS TO 24 MPH
IN THE EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-700 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 15 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58 TO 68.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MIN HUMIDITY........51 TO 70 PERCENT.
24 HR TREND......ON AVERAGE, 32 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 12 MPH. GUSTS TO 20 MPH IN THE
MORNING.
RIDGES/UPR SLOPES....SOUTH 8 TO 12 MPH WITH GUSTS TO 18 MPH.
CWR /0.10 INCH/.....60 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......2500-3500 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 15 MPH.
=
IDZ420-021530-
TREASURE VALLEY BLM-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....54 TO 59.
24 HR TREND......ON AVERAGE, UNCHANGED.
MAX HUMIDITY........57 TO 81 PERCENT.
24 HR TREND......ON AVERAGE, 19 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH 8 TO 10 MPH IN THE EVENING, BECOMING
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER
MIDNIGHT. GUSTS TO 18 MPH.
RIDGES/UPR SLOPES....NORTH AROUND 10 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 5 TO 10 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75 TO 80.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MIN HUMIDITY........20 TO 30 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 12 MPH WITH GUSTS TO 20
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 12 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......9500-10500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT. CHANCE OF
SHOWERS 70 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50 TO 55.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........73 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 16 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 8 TO 11 MPH IN THE EVENING, SHIFTING
TO NORTHEAST AFTER MIDNIGHT. GUSTS TO 20
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 12 MPH IN THE EVENING,
SHIFTING TO NORTHEAST AFTER MIDNIGHT.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......300-400 FT AGL.
TRANSPORT WINDS....EAST 10 TO 15 MPH.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY IN THE MORNING,
THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
CHANCE OF SHOWERS 60 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67 TO 74.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MIN HUMIDITY........38 TO 58 PERCENT.
24 HR TREND......ON AVERAGE, 28 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH AROUND 8 MPH WITH
GUSTS TO 16 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....EAST 8 TO 9 MPH IN THE MORNING, SHIFTING
TO SOUTHWEST AROUND 8 MPH IN THE
AFTERNOON.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......4500-6500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.
=
IDZ424-021530-
WESTERN TWIN FALLS BLM-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....53 TO 58.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MAX HUMIDITY........53 TO 76 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 9 TO 15 MPH WITH GUSTS TO 22 MPH.
RIDGES/UPR SLOPES....NORTHEAST 10 TO 16 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....NORTH 10 TO 20 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....72 TO 81.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MIN HUMIDITY........13 TO 23 PERCENT.
24 HR TREND......ON AVERAGE, 4 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 11 TO 17 MPH WITH GUSTS TO 28 MPH.
RIDGES/UPR SLOPES....WEST 11 TO 17 MPH WITH GUSTS TO 26 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8500-10500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50 TO 55.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........54 TO 78 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 9 TO 15 MPH. GUSTS TO 28 MPH IN THE
EVENING, DECREASING TO 22 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....NORTHWEST 9 TO 15 MPH. GUSTS TO 24 MPH IN
THE EVENING, DECREASING TO 18 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....NORTHWEST 5 TO 15 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, MAINLY
IN THE MORNING. CHANCE OF SHOWERS 30 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70 TO 78.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MIN HUMIDITY........27 TO 37 PERCENT.
24 HR TREND......ON AVERAGE, 12 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTHWEST 8 TO 10 MPH
WITH GUSTS TO 20 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTHWEST 8 TO 9 MPH
WITH GUSTS TO 18 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
=
IDZ423-021530-
OWYHEE MOUNTAINS-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....45 TO 55.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MAX HUMIDITY........37 TO 57 PERCENT.
24 HR TREND......ON AVERAGE, 5 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 18 TO 24 MPH. GUSTS TO 22 MPH IN THE
EVENING, INCREASING TO 32 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....WEST 18 TO 24 MPH. GUSTS TO 30 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 15 TO 30 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....64 TO 76.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........20 TO 30 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 17 TO 23 MPH WITH GUSTS TO 32
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 17 TO 23 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44 TO 51.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MAX HUMIDITY........56 TO 81 PERCENT.
24 HR TREND......ON AVERAGE, 22 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH. GUSTS TO 28 MPH IN
THE EVENING, DECREASING TO 18 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH. GUSTS TO 28 MPH IN
THE EVENING, DECREASING TO 22 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......300-700 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN
SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63 TO 75.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........29 TO 44 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH. GUSTS TO 28 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 19 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......5000-7000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 25 MPH.
=
IDZ426-021530-
SOUTHERN HIGHLANDS-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....49 TO 57.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MAX HUMIDITY........36 TO 56 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH WITH GUSTS TO 26
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 18 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71 TO 78.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MIN HUMIDITY........15 TO 25 PERCENT.
24 HR TREND......ON AVERAGE, 2 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 14 TO 20 MPH WITH GUSTS TO 32 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 52.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........50 TO 70 PERCENT.
24 HR TREND......ON AVERAGE, 13 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 10 TO 16 MPH. GUSTS TO 30 MPH IN THE
EVENING, DECREASING TO 18 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 14 MPH WITH GUSTS TO 24 MPH
IN THE EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 15 MPH.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74 TO 79.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........21 TO 31 PERCENT.
24 HR TREND......ON AVERAGE, 8 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING WEST 8 TO 14 MPH WITH
GUSTS TO 24 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTHWEST 11 TO 17 MPH
WITH GUSTS TO 24 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
=
ORZ675-021530-
BAKER VALLEY-
153 PM PDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....44 TO 52.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MAX HUMIDITY........80 TO 98 PERCENT.
24 HR TREND......ON AVERAGE, 53 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 10 MPH IN THE EVENING, SHIFTING
TO NORTHWEST 8 TO 13 MPH AFTER MIDNIGHT.
GUSTS TO 22 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 10 MPH IN THE EVENING,
SHIFTING TO NORTHWEST AFTER MIDNIGHT.
GUSTS TO 18 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....NORTHWEST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG IN
THE MORNING. CHANCE OF PRECIPITATION 40
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65 TO 72.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........32 TO 39 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST AROUND 8 MPH IN THE MORNING, SHIFTING
TO SOUTH 9 TO 15 MPH WITH GUSTS TO 24 MPH
IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH. GUSTS TO 26 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-8500 FT AGL.
TRANSPORT WINDS....SOUTH 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF
SHOWERS 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42 TO 50.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MAX HUMIDITY........90 TO 99 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 14 MPH. GUSTS TO 24 MPH IN THE
EVENING, DECREASING TO 18 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH 8 TO 14 MPH WITH GUSTS TO 24 MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
CHANCE OF PRECIPITATION 80 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56 TO 63.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MIN HUMIDITY........52 TO 64 PERCENT.
24 HR TREND......ON AVERAGE, 22 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH AROUND 9 MPH WITH GUSTS TO 16 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 9 MPH IN THE MORNING, BECOMING
LIGHT IN THE AFTERNOON. GUSTS TO 16 MPH.
CWR /0.10 INCH/.....70 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......2500-3500 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 10 MPH.
=
ORZ674-021530-
NORTHWESTERN VALE BLM-
153 PM PDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....46 TO 52.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MAX HUMIDITY........54 TO 79 PERCENT.
24 HR TREND......ON AVERAGE, 37 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 12 MPH IN THE EVENING,
BECOMING WEST 16 TO 22 MPH WITH GUSTS TO
30 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 17 TO 23 MPH. GUSTS TO 22 MPH IN THE
EVENING, INCREASING TO 30 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 10 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF
PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....64 TO 73.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 16 TO 22 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 16 TO 22 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS. CHANCE OF SHOWERS 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44 TO 50.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........78 TO 95 PERCENT.
24 HR TREND......ON AVERAGE, 19 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 30
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 32
MPH.
CWR /0.10 INCH/.....60 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......600-1000 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 25 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....55 TO 64.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MIN HUMIDITY........51 TO 63 PERCENT.
24 HR TREND......ON AVERAGE, 27 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 14 MPH WITH GUSTS TO 22 MPH.
CWR /0.10 INCH/.....70 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......2500-3500 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
=
ORZ673-021530-
CENTRAL CANYONLANDS-
253 PM MDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48 TO 59.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........50 TO 67 PERCENT.
24 HR TREND......ON AVERAGE, 27 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST AROUND 8 MPH IN THE EVENING,
INCREASING TO WEST 16 TO 22 MPH WITH GUSTS
TO 30 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....BREEZY. SOUTHWEST 8 TO 9 MPH WITH GUSTS TO
16 MPH IN THE EVENING, INCREASING TO WEST
20 TO 26 MPH WITH GUSTS TO 34 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 10 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68 TO 78.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MIN HUMIDITY........24 TO 34 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 15 TO 21 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....BREEZY. SOUTHWEST 15 TO 21 MPH. GUSTS TO
26 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS, MAINLY AFTER MIDNIGHT. CHANCE OF
SHOWERS 80 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45 TO 55.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........75 TO 92 PERCENT.
24 HR TREND......ON AVERAGE, 25 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 13 TO 19 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 19 MPH WITH GUSTS TO 28
MPH.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 80
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60 TO 68.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MIN HUMIDITY........50 TO 67 PERCENT.
24 HR TREND......ON AVERAGE, 30 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 12 MPH WITH GUSTS TO 18 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 12 MPH WITH GUSTS TO 24 MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......3000-4000 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 15 MPH.
=
ORZ672-021530-
SOUTHERN GRASSLANDS-
153 PM PDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....45 TO 51.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MAX HUMIDITY........39 TO 54 PERCENT.
24 HR TREND......ON AVERAGE, 14 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 18 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 15 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....63 TO 73.
24 HR TREND......ON AVERAGE, 12 DEGREES COOLER.
MIN HUMIDITY........21 TO 29 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 15 TO 21 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 15 TO 21 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 25 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45 TO 50.
24 HR TREND......ON AVERAGE, UNCHANGED.
MAX HUMIDITY........60 TO 83 PERCENT.
24 HR TREND......ON AVERAGE, 21 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY, DECREASING
IN THE AFTERNOON. CHANCE OF SHOWERS 60 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62 TO 70.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MIN HUMIDITY........35 TO 50 PERCENT.
24 HR TREND......ON AVERAGE, 18 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 13 TO 19 MPH WITH GUSTS TO 24
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......4000-6000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
ORZ671-021530-
STEENS MOUNTAIN-
153 PM PDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39 TO 48.
24 HR TREND......ON AVERAGE, 12 DEGREES COOLER.
MAX HUMIDITY........51 TO 68 PERCENT.
24 HR TREND......ON AVERAGE, 30 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 18 TO 24 MPH. GUSTS TO 24 MPH IN
THE EVENING, INCREASING TO 34 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 18 TO 24 MPH. GUSTS TO 24 MPH IN
THE EVENING, INCREASING TO 32 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-800 FT AGL.
TRANSPORT WINDS....WEST 15 TO 30 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56 TO 68.
24 HR TREND......ON AVERAGE, 13 DEGREES COOLER.
MIN HUMIDITY........27 TO 35 PERCENT.
24 HR TREND......ON AVERAGE, 17 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 16 TO 22 MPH WITH GUSTS TO 32
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 16 TO 22 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6000-8000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 25 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS. CHANCE OF SHOWERS 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40 TO 49.
24 HR TREND......ON AVERAGE, 2 DEGREES WARMER.
MAX HUMIDITY........61 TO 89 PERCENT.
24 HR TREND......ON AVERAGE, 16 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 14 TO 20 MPH. GUSTS TO 28 MPH IN
THE EVENING, INCREASING TO 34 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 32
MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......600-1000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....51 TO 63.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MIN HUMIDITY........47 TO 65 PERCENT.
24 HR TREND......ON AVERAGE, 25 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 15 TO 21 MPH. GUSTS TO 32 MPH IN
THE MORNING, DECREASING TO 26 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 15 TO 21 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......3000-4000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
ORZ670-021530-
BURNS BLM-
153 PM PDT TUE SEP 1 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40 TO 46.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MAX HUMIDITY........60 TO 82 PERCENT.
24 HR TREND......ON AVERAGE, 34 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH WITH GUSTS TO 26
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 18 MPH WITH GUSTS TO 28
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......300-700 FT AGL.
TRANSPORT WINDS....WEST 15 TO 20 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....61 TO 69.
24 HR TREND......ON AVERAGE, 14 DEGREES COOLER.
MIN HUMIDITY........27 TO 37 PERCENT.
24 HR TREND......ON AVERAGE, 21 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 13 TO 19 MPH. GUSTS TO 24 MPH IN
THE MORNING, INCREASING TO 30 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6000-7500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 25 TO 30 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........RAIN SHOWERS. CHANCE OF SHOWERS 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40 TO 46.
24 HR TREND......ON AVERAGE, UNCHANGED.
MAX HUMIDITY........69 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......700-1000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
THURSDAY
SKY/WEATHER.........RAIN SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF PRECIPITATION 90
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56 TO 64.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MIN HUMIDITY........44 TO 56 PERCENT.
24 HR TREND......ON AVERAGE, 19 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH. GUSTS TO 28 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 19 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....50 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......3500-4500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
FORECAST DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. LOWS 38 TO 50.
HIGHS 58 TO 73. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
25 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS
38 TO 50. HIGHS 64 TO 79. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS
TO 20 MPH.
SUNDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. LOWS
42 TO 53. HIGHS 67 TO 81. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS
TO 20 MPH.
LABOR DAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 40 PERCENT. LOWS
43 TO 55. HIGHS 61 TO 76.
TUESDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. LOWS
40 TO 51. HIGHS 62 TO 76.
.OUTLOOK FOR WEDNESDAY SEPTEMBER 9 THROUGH TUESDAY SEPTEMBER 15
FAVORS NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
=
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page