829 
WWUS85 KBOI 251853
RFWBOI

URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
1253 PM MDT Thu Jun 25 2026

...SCATTERED THUNDERSTORMS FRIDAY AFTERNOON INTO SATURDAY...

.A strong low pressure system will begin to move into the area
later today, bringing a cold front through the area early Friday 
morning. Widespread showers will follow behind the front 
throughout the day Friday into Saturday, however clearing behind 
the front late Friday morning will enable scattered 
thunderstorm development. Thunderstorms may produce erratic 
outflow gusts up to 50 mph.

IDZ400-420-423-424-426-ORZ670>674-262115-
/O.UPG.KBOI.FW.A.0005.260626T1800Z-260627T1200Z/
/O.NEW.KBOI.FW.W.0007.260626T1800Z-260627T1200Z/
Northern Boise BLM-Treasure Valley BLM-Owyhee Mountains-
Western Twin Falls BLM-Southern Highlands-Burns BLM-
Steens Mountain-Southern Grasslands-Central Canyonlands-
Northwestern Vale BLM-
1253 PM MDT Thu Jun 25 2026 /1153 AM PDT Thu Jun 25 2026/

...RED FLAG WARNING IN EFFECT FROM NOON MDT /11 AM PDT/ FRIDAY TO
6 AM MDT /5 AM PDT/ SATURDAY FOR LIGHTNING FOR NORTHERN BOISE
BLM...TREASURE VALLEY BLM...OWYHEE MOUNTAINS...WESTERN TWIN FALLS
BLM...SOUTHERN HIGHLANDS...BURNS BLM...STEENS MOUNTAIN...SOUTHERN
GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...
WHICH ARE FIRE WEATHER ZONES 400...420...423...424...426...670...
671...672...673 AND 674...

The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from noon MDT /11 AM
PDT/ Friday to 6 AM MDT /5 AM PDT/ Saturday. The Fire Weather
Watch is no longer in effect.

* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern 
  Boise BLM, 420 Treasure Valley BLM, 423 Owyhee Mountains, 424 
  Western Twin Falls BLM and 426 Southern Highlands. In Oregon, 
  Fire Weather Zones 670 Burns BLM, 671 Steens Mountain, 672 
  Southern Grasslands, 673 Central Canyonlands and 674 
  Northwestern Vale BLM.

* TIMING...From noon MDT /11 AM PDT/ Friday to 6 AM MDT /5 AM 
  PDT/ Saturday.

* 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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