920
FNUS55 KBOI 312059
FWFBOI
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON
NATIONAL WEATHER SERVICE BOISE ID
259 PM MDT MON AUG 31 2026
..WARM AND MOSTLY DRY ON TUESDAY
..AREAS OF THUNDERSTORMS EACH AFTERNOON/EVENING
..GUSTY/LOW RH PRODUCING LOCALLY ELEVATED FIRE WEATHER CONDITIONS
DISCUSSION
* SOUTHWEST IDAHO BLM (ID ZONES 400, 420, 423, 424, 426)...
TEMPERATURES REMAIN NEAR NORMAL ON TUESDAY. WINDS WILL BE GUSTY,
AND COMBINED WITH AFTERNOON RH 15-25% WILL PRODUCE ELEVATED FIRE
WEATHER CONDITIONS. ISOLATED THUNDERSTORMS THIS EVENING ACROSS
EASTERN ZONES, WITH ADDITIONAL ISOLATED STORMS ON TUESDAY
INCLUDING AREAS FURTHER WEST. DRY AND GUSTY CONDITIONS WILL
CONTINUE INTO WEDNESDAY ESPECIALLY ACROSS SOUTH-CENTRAL IDAHO
ALONG WITH COOLER TEMPERATURES. HIGHER HUMIDITY WILL ARRIVE BY
THURSDAY WITH SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS ACROSS
THE WEST. TEMPERATURES WILL REMAIN COOLER WITH BELOW NORMAL
TEMPERATURES AND POTENTIAL FOR SHOWERS AND THUNDERSTORMS THROUGH
THE END OF THE WEEK INTO THE WEEKEND.
* SOUTHWEST IDAHO FOREST (ID ZONES 401, 402, 403, 421)...
TEMPERATURES REMAIN NEAR NORMAL ON TUESDAY. WINDS WILL BE GUSTY,
ESPECIALLY ACROSS THE SOUTHERN HALF OF THE DISTRICT. ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS ON TUESDAY, ALTHOUGH AREAS
WITH HIGHER COVERAGE WILL SEE WETTER STORMS. HIGHER HUMIDITY AND
COOLER TEMPERATURES WILL ARRIVE ON WEDNESDAY ALONG WITH
ADDITIONAL SHOWERS AND THUNDERSTORMS AND BREEZY CONDITIONS.
TEMPERATURES WILL REMAIN COOLER WITH BELOW NORMAL TEMPERATURES
AND POTENTIAL FOR SHOWERS AND THUNDERSTORMS THROUGH THE END OF
THE WEEK INTO THE WEEKEND.
* SOUTHEAST OREGON (OR ZONES 670-675)... TEMPERATURES REMAIN NEAR
NORMAL ON TUESDAY. WINDS WILL BE GUSTY, AND COMBINED WITH
AFTERNOON RH 10-20% WILL PRODUCE ELEVATED FIRE WEATHER
CONDITIONS. HIGHER HUMIDITY AND COOLER TEMPERATURES WILL ARRIVE
ON WEDNESDAY. GUSTY WINDS WILL PERSIST ALONG WITH SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS ARRIVING LATE IN THE DAY.
TEMPERATURES WILL REMAIN COOLER WITH BELOW NORMAL TEMPERATURES
AND POTENTIAL FOR SHOWERS AND THUNDERSTORMS THROUGH THE END OF
THE WEEK INTO THE WEEKEND.
IDZ401-011530-
WESTERN PAYETTE NATIONAL FOREST-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....49 TO 61.
24 HR TREND......ON AVERAGE, 8 DEGREES WARMER.
MAX HUMIDITY........30 TO 45 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
EVENING, BECOMING SOUTHEAST 8 TO 9 MPH
AFTER MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 10 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67 TO 82.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........24 TO 33 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 12 MPH WITH GUSTS TO 18 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 13 MPH WITH GUSTS TO 20 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......5500-7500 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY
CLOUDY WITH RAIN SHOWERS LIKELY AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....44 TO 55.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MAX HUMIDITY........61 TO 91 PERCENT.
24 HR TREND......ON AVERAGE, 38 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES/UPR SLOPES....EAST AROUND 8 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING, THEN BECOMING
MOSTLY SUNNY IN THE AFTERNOON. A SLIGHT CHANCE
OF THUNDERSTORMS. RAIN SHOWERS LIKELY,
DECREASING IN THE AFTERNOON. CHANCE OF
PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....53 TO 68.
24 HR TREND......ON AVERAGE, 14 DEGREES COOLER.
MIN HUMIDITY........30 TO 45 PERCENT.
24 HR TREND......ON AVERAGE, 9 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 10 TO 16 MPH. GUSTS TO 16 MPH IN THE
MORNING, INCREASING TO 24 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH. GUSTS TO 20 MPH IN THE
MORNING, INCREASING TO 26 MPH IN THE
AFTERNOON.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ402-011530-
EASTERN PAYETTE NATIONAL FOREST-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 55.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........31 TO 40 PERCENT.
24 HR TREND......ON AVERAGE, 8 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH AROUND 8 MPH.
RIDGES/UPR SLOPES....SOUTH AROUND 8 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 10 MPH.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67 TO 82.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........20 TO 30 PERCENT.
24 HR TREND......ON AVERAGE, 10 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH AROUND 8 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH AROUND 9 MPH WITH GUSTS TO 16 MPH.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-9000 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY. A
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE
OF PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....43 TO 52.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........71 TO 87 PERCENT.
24 HR TREND......ON AVERAGE, 43 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH IN
THE EVENING, BECOMING SOUTHEAST AROUND 8
MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHEAST AROUND 10 MPH.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY IN THE AFTERNOON. A SLIGHT CHANCE
OF THUNDERSTORMS. RAIN SHOWERS, DECREASING IN
THE AFTERNOON. CHANCE OF PRECIPITATION 80
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....52 TO 67.
24 HR TREND......ON AVERAGE, 15 DEGREES COOLER.
MIN HUMIDITY........30 TO 45 PERCENT.
24 HR TREND......ON AVERAGE, 13 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 15 MPH. GUSTS TO 16 MPH IN
THE MORNING, INCREASING TO 24 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......6500-8000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ403-011530-
NORTHERN BOISE NATIONAL FOREST-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 57.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........32 TO 45 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
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/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 10 MPH.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY. RAIN SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 60 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67 TO 81.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........25 TO 31 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH. GUSTS
TO 14 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH AROUND 8 MPH WITH
GUSTS TO 16 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....40 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT. RAIN SHOWERS
LIKELY. A CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....42 TO 51.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MAX HUMIDITY........64 TO 91 PERCENT.
24 HR TREND......ON AVERAGE, 39 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
EVENING, BECOMING EAST AROUND 8 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....EAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING, THEN BECOMING
MOSTLY SUNNY IN THE AFTERNOON. 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, 15 DEGREES COOLER.
MIN HUMIDITY........28 TO 38 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH. GUSTS TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 14 MPH WITH GUSTS TO 22
MPH.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ421-011530-
SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 59.
24 HR TREND......ON AVERAGE, 9 DEGREES WARMER.
MAX HUMIDITY........36 TO 56 PERCENT.
24 HR TREND......ON AVERAGE, 16 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 10 TO 16 MPH.
RIDGES/UPR SLOPES....EAST 11 TO 17 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 5 TO 20 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75 TO 85, EXCEPT 66 TO 74 ABOVE 6500 FEET.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........23 TO 33 PERCENT.
24 HR TREND......ON AVERAGE, 17 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
RIDGES/UPR SLOPES....SOUTHEAST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS
LIKELY AFTER MIDNIGHT. CHANCE OF PRECIPITATION
60 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....42 TO 53.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MAX HUMIDITY........55 TO 80 PERCENT.
24 HR TREND......ON AVERAGE, 20 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST AROUND 9 MPH. GUSTS TO 18 MPH IN THE
EVENING.
RIDGES/UPR SLOPES....EAST AROUND 9 MPH WITH GUSTS TO 16 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 5 TO 10 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....62 TO 72, EXCEPT 54 TO 62 ABOVE 6500 FEET.
24 HR TREND......ON AVERAGE, 13 DEGREES COOLER.
MIN HUMIDITY........18 TO 27 PERCENT, EXCEPT 24 TO 34 PERCENT ABOVE
6500 FEET.
24 HR TREND......ON AVERAGE, 4 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 15 MPH. GUSTS TO 24 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 15 MPH. GUSTS TO 22 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ400-011530-
NORTHERN BOISE BLM-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56 TO 63.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........31 TO 46 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT DRIER.
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/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....EAST 5 TO 10 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....77 TO 86.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MIN HUMIDITY........22 TO 28 PERCENT.
24 HR TREND......ON AVERAGE, 13 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 11 MPH WITH GUSTS TO 18
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6000-7000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS
AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....53 TO 59.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MAX HUMIDITY........55 TO 70 PERCENT.
24 HR TREND......ON AVERAGE, 25 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
GUSTS TO 20 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH. GUSTS TO 20
MPH AFTER MIDNIGHT.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....NORTHEAST 5 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS
IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67 TO 77.
24 HR TREND......ON AVERAGE, 10 DEGREES COOLER.
MIN HUMIDITY........25 TO 32 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 11 TO 17 MPH. GUSTS TO 18 MPH IN THE
MORNING, INCREASING TO 24 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH WITH GUSTS TO 24 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8500-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ420-011530-
TREASURE VALLEY BLM-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56 TO 61.
24 HR TREND......ON AVERAGE, 9 DEGREES WARMER.
MAX HUMIDITY........40 TO 60 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH IN
THE EVENING, BECOMING SOUTHEAST 8 TO 11
MPH WITH GUSTS TO 18 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....NORTHEAST 9 TO 15 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHEAST 5 TO 15 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....84 TO 89.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MIN HUMIDITY........19 TO 29 PERCENT.
24 HR TREND......ON AVERAGE, 10 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 11 TO 17 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS
AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54 TO 59.
24 HR TREND......ON AVERAGE, UNCHANGED.
MAX HUMIDITY........51 TO 71 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST AROUND 8 MPH IN THE EVENING,
SHIFTING TO SOUTHWEST AFTER MIDNIGHT.
GUSTS TO 16 MPH.
RIDGES/UPR SLOPES....NORTH AROUND 10 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 SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74 TO 79.
24 HR TREND......ON AVERAGE, 10 DEGREES COOLER.
MIN HUMIDITY........19 TO 29 PERCENT.
24 HR TREND......ON AVERAGE, 4 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTHWEST 8 TO 9 MPH
WITH GUSTS TO 18 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST AROUND 9 MPH. GUSTS TO 16 MPH IN THE
AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......9500-10500 FT AGL.
TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH.
=
IDZ424-011530-
WESTERN TWIN FALLS BLM-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....57 TO 65.
24 HR TREND......ON AVERAGE, 12 DEGREES WARMER.
MAX HUMIDITY........39 TO 59 PERCENT.
24 HR TREND......ON AVERAGE, 15 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 11 TO 17 MPH. GUSTS TO 18 MPH IN THE
EVENING, INCREASING TO 24 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....EAST 14 TO 20 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 15 TO 25 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....82 TO 89.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........17 TO 27 PERCENT.
24 HR TREND......ON AVERAGE, 9 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST 14 TO 20 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 14 TO 20 MPH.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......10500-12500 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....53 TO 59.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........47 TO 67 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 8 TO 12 MPH WITH GUSTS TO 20 MPH.
RIDGES/UPR SLOPES....EAST 8 TO 13 MPH WITH GUSTS TO 20 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....EAST 10 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71 TO 79.
24 HR TREND......ON AVERAGE, 10 DEGREES COOLER.
MIN HUMIDITY........13 TO 23 PERCENT.
24 HR TREND......ON AVERAGE, 2 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 9 TO 15 MPH. GUSTS TO 20 MPH IN THE
MORNING, INCREASING TO 26 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....WEST 9 TO 15 MPH. GUSTS TO 24 MPH IN THE
AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......9000-11000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
IDZ423-011530-
OWYHEE MOUNTAINS-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54 TO 61.
24 HR TREND......ON AVERAGE, 10 DEGREES WARMER.
MAX HUMIDITY........42 TO 62 PERCENT.
24 HR TREND......ON AVERAGE, 8 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST 9 TO 15 MPH. GUSTS TO 24 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....SOUTHEAST 10 TO 16 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....76 TO 85.
24 HR TREND......ON AVERAGE, 3 DEGREES COOLER.
MIN HUMIDITY........14 TO 24 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 9 TO 15 MPH WITH GUSTS TO 22 MPH.
RIDGES/UPR SLOPES....SOUTH 9 TO 15 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......10000-12000 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47 TO 56.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MAX HUMIDITY........36 TO 56 PERCENT.
24 HR TREND......ON AVERAGE, 6 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 14 TO 20 MPH. GUSTS TO 22 MPH IN THE
EVENING, INCREASING TO 30 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....WEST 14 TO 20 MPH. GUSTS TO 24 MPH IN THE
EVENING, INCREASING TO 30 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....WEST 10 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64 TO 75.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........18 TO 28 PERCENT.
24 HR TREND......ON AVERAGE, 4 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-9500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
IDZ426-011530-
SOUTHERN HIGHLANDS-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56 TO 61.
24 HR TREND......ON AVERAGE, 10 DEGREES WARMER.
MAX HUMIDITY........47 TO 67 PERCENT.
24 HR TREND......ON AVERAGE, 16 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST 11 TO 17 MPH WITH GUSTS TO 24
MPH.
RIDGES/UPR SLOPES....SOUTHEAST 11 TO 17 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHEAST 15 TO 20 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....80 TO 85.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........17 TO 27 PERCENT.
24 HR TREND......ON AVERAGE, 2 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 11 TO 17 MPH WITH GUSTS TO 24 MPH.
RIDGES/UPR SLOPES....SOUTH 11 TO 17 MPH WITH GUSTS TO 26 MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......11000-13000 FT AGL.
TRANSPORT WINDS....SOUTH 20 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....51 TO 56.
24 HR TREND......ON AVERAGE, 4 DEGREES COOLER.
MAX HUMIDITY........38 TO 58 PERCENT.
24 HR TREND......ON AVERAGE, 11 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 9 TO 15 MPH WITH GUSTS TO 24 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 15 MPH WITH GUSTS TO 24
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 20 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70 TO 75.
24 HR TREND......ON AVERAGE, 10 DEGREES COOLER.
MIN HUMIDITY........14 TO 24 PERCENT.
24 HR TREND......ON AVERAGE, 2 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 11 TO 17 MPH. GUSTS TO 24 MPH IN THE
MORNING, INCREASING TO 30 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....WEST 11 TO 17 MPH WITH GUSTS TO 24 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
ORZ675-011530-
BAKER VALLEY-
159 PM PDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48 TO 61.
24 HR TREND......ON AVERAGE, 10 DEGREES WARMER.
MAX HUMIDITY........32 TO 47 PERCENT.
24 HR TREND......ON AVERAGE, 21 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 8 MPH WITH GUSTS TO 16
MPH IN THE EVENING, BECOMING LIGHT
DOWNSLOPE LESS THAN 8 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHEAST 8 TO 9 MPH WITH GUSTS TO 18 MPH
IN THE EVENING, BECOMING LIGHT AFTER
MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHEAST UP TO 5 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....77 TO 83.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........17 TO 25 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 10 MPH. GUSTS TO 18 MPH
IN THE AFTERNOON.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH 8 TO 11 MPH WITH
GUSTS TO 20 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43 TO 54.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MAX HUMIDITY........70 TO 97 PERCENT.
24 HR TREND......ON AVERAGE, 43 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH 8 TO 9 MPH IN THE EVENING, SHIFTING
TO NORTHWEST 8 TO 14 MPH AFTER MIDNIGHT.
GUSTS TO 22 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 9 MPH WITH GUSTS TO 20 MPH IN
THE EVENING, SHIFTING TO NORTHWEST AFTER
MIDNIGHT.
CWR /0.10 INCH/.....20 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. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. AREAS OF FOG IN THE MORNING. CHANCE
OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65 TO 72.
24 HR TREND......ON AVERAGE, 12 DEGREES COOLER.
MIN HUMIDITY........31 TO 38 PERCENT.
24 HR TREND......ON AVERAGE, 13 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH 10 TO 16 MPH WITH
GUSTS TO 24 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING, BECOMING SOUTH 9 TO 15 MPH WITH
GUSTS TO 24 MPH IN THE AFTERNOON.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
=
ORZ674-011530-
NORTHWESTERN VALE BLM-
159 PM PDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54 TO 60.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........27 TO 35 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 8 TO 12 MPH IN THE EVENING, BECOMING
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHEAST 8 TO 12 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTH 5 TO 15 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....76 TO 85.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MIN HUMIDITY........12 TO 22 PERCENT.
24 HR TREND......ON AVERAGE, 5 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 11 MPH WITH GUSTS TO 18
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 11 MPH. GUSTS TO 20 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7000-9000 FT AGL.
TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS
AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48 TO 55.
24 HR TREND......ON AVERAGE, 6 DEGREES COOLER.
MAX HUMIDITY........51 TO 71 PERCENT.
24 HR TREND......ON AVERAGE, 29 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 15 TO 21 MPH. GUSTS TO 22 MPH IN THE
EVENING, INCREASING TO 30 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....WEST 16 TO 22 MPH. GUSTS TO 24 MPH IN THE
EVENING, INCREASING TO 30 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-700 FT AGL.
TRANSPORT WINDS....WEST 10 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS, MAINLY IN
THE MORNING. CHANCE OF SHOWERS 30 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63 TO 73.
24 HR TREND......ON AVERAGE, 12 DEGREES COOLER.
MIN HUMIDITY........24 TO 33 PERCENT.
24 HR TREND......ON AVERAGE, 12 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 WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-9000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
ORZ673-011530-
CENTRAL CANYONLANDS-
259 PM MDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54 TO 61.
24 HR TREND......ON AVERAGE, 8 DEGREES WARMER.
MAX HUMIDITY........27 TO 37 PERCENT.
24 HR TREND......ON AVERAGE, 7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST 8 TO 11 MPH WITH GUSTS TO 18 MPH
IN THE EVENING, BECOMING LIGHT DOWNSLOPE
LESS THAN 8 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHEAST 8 TO 11 MPH WITH GUSTS TO 18
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......100-200 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 10 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....79 TO 87.
24 HR TREND......ON AVERAGE, UNCHANGED.
MIN HUMIDITY........14 TO 24 PERCENT.
24 HR TREND......ON AVERAGE, 5 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST AROUND 10 MPH. GUSTS TO 16 MPH
IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST AROUND 10 MPH WITH GUSTS TO 18
MPH.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......7500-9500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50 TO 60.
24 HR TREND......ON AVERAGE, 2 DEGREES COOLER.
MAX HUMIDITY........46 TO 60 PERCENT.
24 HR TREND......ON AVERAGE, 18 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 11 MPH WITH GUSTS TO 20 MPH
IN THE EVENING, BECOMING WEST 15 TO 21 MPH
WITH GUSTS TO 30 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....BREEZY. SOUTHWEST 8 TO 11 MPH WITH GUSTS
TO 22 MPH IN THE EVENING, INCREASING TO
WEST 19 TO 25 MPH WITH GUSTS TO 32 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 SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68 TO 77.
24 HR TREND......ON AVERAGE, 11 DEGREES COOLER.
MIN HUMIDITY........22 TO 32 PERCENT.
24 HR TREND......ON AVERAGE, 8 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......8000-10000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.
=
ORZ672-011530-
SOUTHERN GRASSLANDS-
159 PM PDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....53 TO 58.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........27 TO 42 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST 8 TO 13 MPH IN THE EVENING, SHIFTING
TO SOUTH AFTER MIDNIGHT. GUSTS TO 22 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 12 MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....77 TO 86.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MIN HUMIDITY........11 TO 16 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 11 TO 17 MPH. GUSTS TO 24 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 17 MPH. GUSTS TO 24 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......9500-11500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45 TO 52.
24 HR TREND......ON AVERAGE, 7 DEGREES COOLER.
MAX HUMIDITY........37 TO 52 PERCENT.
24 HR TREND......ON AVERAGE, 10 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 24
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......300-700 FT AGL.
TRANSPORT WINDS....WEST 15 TO 25 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64 TO 73.
24 HR TREND......ON AVERAGE, 13 DEGREES COOLER.
MIN HUMIDITY........20 TO 27 PERCENT.
24 HR TREND......ON AVERAGE, 10 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 28
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 26
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8500 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
=
ORZ671-011530-
STEENS MOUNTAIN-
159 PM PDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....52 TO 59.
24 HR TREND......ON AVERAGE, 3 DEGREES WARMER.
MAX HUMIDITY........27 TO 33 PERCENT.
24 HR TREND......ON AVERAGE, 3 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 12 MPH WITH GUSTS TO 20
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 12 MPH WITH GUSTS TO 18
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69 TO 82.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MIN HUMIDITY........11 TO 16 PERCENT.
24 HR TREND......ON AVERAGE, 2 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH. GUSTS TO 26 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 12 TO 18 MPH. GUSTS TO 26 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......10000-12000 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42 TO 50.
24 HR TREND......ON AVERAGE, 9 DEGREES COOLER.
MAX HUMIDITY........47 TO 59 PERCENT.
24 HR TREND......ON AVERAGE, 24 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 17 TO 23 MPH. GUSTS TO 28 MPH IN THE
EVENING, INCREASING TO 34 MPH AFTER
MIDNIGHT.
RIDGES/UPR SLOPES....WEST 17 TO 23 MPH. GUSTS TO 26 MPH IN THE
EVENING, INCREASING TO 32 MPH AFTER
MIDNIGHT.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....WEST 15 TO 30 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56 TO 68.
24 HR TREND......ON AVERAGE, 13 DEGREES COOLER.
MIN HUMIDITY........26 TO 33 PERCENT.
24 HR TREND......ON AVERAGE, 16 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 14 TO 20 MPH WITH GUSTS TO 30
MPH.
RIDGES/UPR SLOPES....SOUTHWEST 15 TO 21 MPH WITH GUSTS TO 30
MPH.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6000-8000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
=
ORZ670-011530-
BURNS BLM-
159 PM PDT MON AUG 31 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48 TO 55.
24 HR TREND......ON AVERAGE, 7 DEGREES WARMER.
MAX HUMIDITY........30 TO 45 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH. GUSTS TO 22 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH. GUSTS TO 22 MPH IN
THE EVENING.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......200-300 FT AGL.
TRANSPORT WINDS....SOUTHWEST 5 TO 15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....76 TO 83.
24 HR TREND......ON AVERAGE, 5 DEGREES COOLER.
MIN HUMIDITY........9 TO 14 PERCENT.
24 HR TREND......ON AVERAGE, UNCHANGED.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 12 TO 18 MPH. GUSTS TO 26 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 19 MPH. GUSTS TO 28 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......10000-12000 FT AGL.
TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41 TO 47.
24 HR TREND......ON AVERAGE, 8 DEGREES COOLER.
MAX HUMIDITY........56 TO 78 PERCENT.
24 HR TREND......ON AVERAGE, 29 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST 11 TO 17 MPH WITH GUSTS TO 26 MPH.
RIDGES/UPR SLOPES....WEST 11 TO 17 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. A CHANCE OF RAIN SHOWERS, MAINLY
IN THE AFTERNOON. CHANCE OF SHOWERS 30 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61 TO 69.
24 HR TREND......ON AVERAGE, 15 DEGREES COOLER.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......ON AVERAGE, 19 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST 13 TO 19 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 13 TO 19 MPH. GUSTS TO 30 MPH IN
THE AFTERNOON.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL.....
MIXING HEIGHT......6500-8000 FT AGL.
TRANSPORT WINDS....SOUTHWEST 20 TO 25 MPH.
=
FORECAST DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. CHANCE
OF PRECIPITATION 80 PERCENT. LOWS 42 TO 54. HIGHS 57 TO 72.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 50 PERCENT. LOWS 38 TO
50. HIGHS 59 TO 74. WEST 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
40 TO 51. HIGHS 63 TO 77. WEST WINDS UP TO 10 MPH WITH GUSTS TO
20 MPH.
SUNDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. LOWS
41 TO 52. HIGHS 63 TO 77.
LABOR DAY
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SHOWERS. LOWS
41 TO 53. HIGHS 64 TO 79.
.OUTLOOK FOR TUESDAY SEPTEMBER 8 THROUGH MONDAY SEPTEMBER 14
SLIGHTLY FAVORS ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL
PRECIPITATION.
=
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