WWUS85 KBOI 230252
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
852 PM MDT Sat Aug 22 2026

...SCATTERED THUNDERSTORMS WITH LIGHTNING EXPECTED ACROSS 
PORTIONS OF SOUTHWEST IDAHO DISTRICTS...

ORZ670>672-230400-
/O.EXP.KBOI.FW.W.0019.000000T0000Z-260823T0300Z/
Burns BLM-Steens Mountain-Southern Grasslands-
752 PM PDT Sat Aug 22 2026

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
WINDS AND LOW RELATIVE HUMIDITY FOR BURNS BLM...STEENS MOUNTAIN 
AND SOUTHERN GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 670... 671 
AND 672...

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IDZ401>403-421-424-426-230600-
/O.CON.KBOI.FW.W.0019.000000T0000Z-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-
852 PM MDT Sat Aug 22 2026

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 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...Until 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.

&&

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