WWUS85 KBOI 221454
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
854 AM MDT Sat Aug 22 2026

...GUSTY WINDS AND LOW RELATIVE HUMIDITIES ACROSS PORTIONS OF
SOUTHEAST OREGON DISTRICTS... ...SCATTERED THUNDERSTORMS WITH
LIGHTNING EXPECTED ACROSS PORTIONS OF SOUTHWEST IDAHO DISTRICTS...

Southwest wind gusts will increase to 30-35 mph in eastern Oregon
this afternoon while RH remains 8-15%. The most critical area will
be Burns BLM. Isolated thunderstorms will also develop in eastern
Oregon this afternoon east of Burns BLM. Storms may produce outflow
wind gusts to 50 mph.

Scattered thunderstorms will also develop in south-central Idaho 
this afternoon, particularly in the southern Highlands between 2 
PM and 8 PM MDT. Thunderstorms will produce outflow wind gusts to
50 mph along with abundant lightning.

ORZ670>672-222300-
/O.CON.KBOI.FW.W.0019.260822T1800Z-260823T0300Z/
Burns BLM-Steens Mountain-Southern Grasslands-
754 AM PDT Sat Aug 22 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITIES FOR
BURNS BLM...STEENS MOUNTAIN AND SOUTHERN GRASSLANDS...WHICH ARE
FIRE WEATHER ZONES 670...671 AND 672...

* AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM, 
  671 Steens Mountain and 672 Southern Grasslands.

* TIMING...From 11 AM this morning to 8 PM PDT this evening.

* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...8 to 18 percent.

* TEMPERATURES...86 to 94 degrees.

* THUNDERSTORMS...Isolated coverage.

* 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.

&&

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IDZ401>403-421-424-426-222300-
/O.CON.KBOI.FW.W.0019.260822T1800Z-260823T0600Z/
Western Payette National Forest-Eastern Payette National Forest-
Northern Boise National Forest-
Southern Boise/Western Sawtooth NF, including the Camas Prairie-
Western Twin Falls BLM-Southern Highlands-
854 AM MDT Sat Aug 22 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT FOR LIGHTNING FOR WESTERN PAYETTE NATIONAL FOREST...
EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL
FOREST...SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS
PRAIRIE...WESTERN TWIN FALLS BLM AND SOUTHERN HIGHLANDS...WHICH
ARE FIRE WEATHER ZONES 401...402...403...421...424 AND 426...

* AFFECTED AREA...In Idaho, Fire Weather Zones 401 Western 
  Payette National Forest, 402 Eastern Payette National Forest, 
  403 Northern Boise National Forest, 421 Southern Boise/Western 
  Sawtooth NF, including the Camas Prairie, 424 Western Twin 
  Falls BLM and 426 Southern Highlands.

* TIMING...From noon today to midnight MDT tonight.

* THUNDERSTORMS...Scattered coverage with abundant lightning.

* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.

* 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