744
WWUS85 KBOI 311839
RFWBOI
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
1239 PM MDT FRI JUL 31 2026
..DRY COLD FRONTAL PASSAGE SATURDAY
CRITICAL FIRE WEATHER CONDITIONS AS A DRY COLD FRONT MOVES
THROUGH THE REGION. WINDS BEGIN TO RISE SATURDAY AFTERNOON,
ALTHOUGH MOSTLY REMAIN 15 TO 20 MPH WITH 25 TO 30 MPH GUSTS. AT
THE SAME TIME, MINIMUM RHS ACROSS THE AREA ARE WELL BELOW 20%,
DOWN TO 10% IN THE HIGH DESERT. WINDS INCREASE OVERNIGHT AS RHS
BEGIN TO RISE OUT. WINDS 20 TO 25 MPH WITH GUSTS UP TO 45 MPH ARE
POSSIBLE FROM BAKER COUNTY THROUGH THE LOWER TREASURE VALLEY
OVERNIGHT SATURDAY. THESE STRONG WINDS OCCUR AS RHS RISE OUT OF
CRITICAL DRYNESS, HOWEVER ACTIVE FIRE BEHAVIOR MAY BE OBSERVED
EVEN PAST THE RED FLAG WARNINGS DUE TO THE WINDS.
IDZ423-ORZ670>672-020300-
/O.UPG.KBOI.FW.A.0007.260801T2100Z-260802T0300Z/
/O.NEW.KBOI.FW.W.0017.260801T2100Z-260802T0300Z/
OWYHEE MOUNTAINS-BURNS BLM-STEENS MOUNTAIN-SOUTHERN GRASSLANDS-
1239 PM MDT FRI JUL 31 2026 /1139 AM PDT FRI JUL 31 2026/
...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ TO 9 PM
MDT /8 PM PDT/ SATURDAY FOR WINDS AND LOW RELATIVE HUMIDITIES FOR
OWYHEE MOUNTAINS...BURNS BLM...STEENS MOUNTAIN AND SOUTHERN
GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 423...670...671 AND
672...
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A RED FLAG
WARNING FOR WINDS AND LOW RELATIVE HUMIDITIES, WHICH IS IN EFFECT
FROM 3 PM MDT /2 PM PDT/ TO 9 PM MDT /8 PM PDT/ SATURDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...IN IDAHO, FIRE WEATHER ZONE 423 OWYHEE
MOUNTAINS. IN OREGON, FIRE WEATHER ZONES 670 BURNS BLM, 671
STEENS MOUNTAIN AND 672 SOUTHERN GRASSLANDS.
* TIMING...FROM 3 PM MDT /2 PM PDT/ TO 9 PM MDT /8 PM PDT/
SATURDAY.
* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* RELATIVE HUMIDITY...7 TO 15 PERCENT.
* TEMPERATURES...89 TO 99 DEGREES.
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.
W
ORZ673>675-020300-
/O.UPG.KBOI.FW.A.0007.260801T2100Z-260802T0300Z/
/O.NEW.KBOI.FW.W.0017.260801T2100Z-260802T0300Z/
CENTRAL CANYONLANDS-NORTHWESTERN VALE BLM-BAKER VALLEY-
1239 PM MDT FRI JUL 31 2026 /1139 AM PDT FRI JUL 31 2026/
...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ TO 9 PM
MDT /8 PM PDT/ SATURDAY FOR WINDS AND LOW RELATIVE HUMIDITIES FOR
CENTRAL CANYONLANDS...NORTHWESTERN VALE BLM AND BAKER VALLEY...
WHICH ARE FIRE WEATHER ZONES 673...674 AND 675...
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A RED FLAG
WARNING FOR WINDS AND LOW RELATIVE HUMIDITIES, WHICH IS IN EFFECT
FROM 3 PM MDT /2 PM PDT/ TO 9 PM MDT /8 PM PDT/ SATURDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...IN OREGON, FIRE WEATHER ZONES 673 CENTRAL
CANYONLANDS, 674 NORTHWESTERN VALE BLM AND 675 BAKER VALLEY.
* TIMING...FROM 3 PM MDT /2 PM PDT/ TO 9 PM MDT /8 PM PDT/
SATURDAY.
* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.
* RELATIVE HUMIDITY...13 TO 19 PERCENT.
* TEMPERATURES...89 TO 97 DEGREES.
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.
W
IDZ402-020300-
/O.UPG.KBOI.FW.A.0007.260801T2100Z-260802T0300Z/
/O.NEW.KBOI.FW.W.0017.260801T2100Z-260802T0300Z/
EASTERN PAYETTE NATIONAL FOREST-
1239 PM MDT FRI JUL 31 2026
...RED FLAG WARNING IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY FOR
WINDS AND LOW RELATIVE HUMIDITIES FOR EASTERN PAYETTE NATIONAL
FOREST...WHICH IS FIRE WEATHER ZONE 402...
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A RED FLAG
WARNING FOR WINDS AND LOW RELATIVE HUMIDITIES, WHICH IS IN EFFECT
FROM 3 PM TO 9 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.
* AFFECTED AREA...IN IDAHO, FIRE WEATHER ZONE 402 EASTERN
PAYETTE NATIONAL FOREST.
* TIMING...FROM 3 PM TO 9 PM MDT SATURDAY.
* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.
* RELATIVE HUMIDITY...15 TO 21 PERCENT.
* TEMPERATURES...77 TO 89 DEGREES.
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.
W
IDZ400-020300-
/O.NEW.KBOI.FW.W.0017.260801T2100Z-260802T0300Z/
NORTHERN BOISE BLM-
1239 PM MDT FRI JUL 31 2026
...RED FLAG WARNING IN EFFECT FROM 3 PM TO 9 PM MDT SATURDAY FOR
WINDS AND LOW RELATIVE HUMIDITIES FOR NORTHERN BOISE BLM...WHICH
IS FIRE WEATHER ZONE 400...
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A RED FLAG
WARNING FOR WINDS AND LOW RELATIVE HUMIDITIES, WHICH IS IN EFFECT
FROM 3 PM TO 9 PM MDT SATURDAY.
* AFFECTED AREA...IN IDAHO, FIRE WEATHER ZONE 400 NORTHERN BOISE
BLM.
* TIMING...FROM 3 PM TO 9 PM MDT SATURDAY.
* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
* RELATIVE HUMIDITY...13 TO 17 PERCENT.
* TEMPERATURES...92 TO 100 DEGREES.
* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD
QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL OCCUR SHORTLY.
W
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