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Home Return to list Fire Weather Watch 0008 Issued by the Boise Forecast Office
Action: New Issued At: 2026-08-11 14:28:35 913 WWUS85 KBOI 111927 RFWBOI URGENT - FIRE WEATHER MESSAGE National Weather Service Boise ID 127 PM MDT Tue Aug 11 2026 ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering dry surface air will limit the rainfall amounts on Thursday, increasing concern for lightning ignitions. IDZ400>403-420-421-423-424-426-ORZ672>674-122100- /O.NEW.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/ Northern Boise BLM-Western Payette National Forest- Eastern Payette National Forest-Northern Boise National Forest- Treasure Valley BLM- Southern Boise/Western Sawtooth NF, including the Camas Prairie- Owyhee Mountains-Western Twin Falls BLM-Southern Highlands- Southern Grasslands-Central Canyonlands-Northwestern Vale BLM- 127 PM MDT Tue Aug 11 2026 /1227 PM PDT Tue Aug 11 2026/ ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM... WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM... SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE... OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS... SOUTHERN GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...420... 421...423...424...426...672...673 AND 674... The National Weather Service in Boise has issued a Fire Weather Watch for lightning, which is in effect from Thursday afternoon through late Thursday night. * AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern Boise BLM, 401 Western Payette National Forest, 402 Eastern Payette National Forest, 403 Northern Boise National Forest, 420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth NF, including the Camas Prairie, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. In Oregon, Fire Weather Zones 672 Southern Grasslands, 673 Central Canyonlands and 674 Northwestern Vale BLM. * TIMING...From Thursday afternoon through early Friday morning. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible Red Flag Warnings. && $$ L Action: Upgraded Issued At: 2026-08-12 14:21:21 137 WWUS85 KBOI 121920 RFWBOI URGENT - FIRE WEATHER MESSAGE National Weather Service Boise ID 120 PM MDT Wed Aug 12 2026 ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering dry surface air will limit the rainfall amounts on Thursday, increasing concern for lightning ignitions. ORZ673-674-131630- /O.UPG.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/ /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1500Z/ Central Canyonlands-Northwestern Vale BLM- 120 PM MDT Wed Aug 12 2026 /1220 PM PDT Wed Aug 12 2026/ ...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THURSDAY TO 9 AM MDT /8 AM PDT/ FRIDAY FOR LIGHTNING FOR CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...WHICH ARE FIRE WEATHER ZONES 673 AND 674... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 3 PM MDT /2 PM PDT/ Thursday to 9 AM MDT /8 AM PDT/ Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zones 673 Central Canyonlands and 674 Northwestern Vale BLM. * TIMING...From 3 PM MDT /2 PM PDT/ Thursday to 9 AM MDT /8 AM PDT/ Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. && $$ L IDZ400>403-420-421-423-424-426-ORZ672-131630- /O.UPG.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/ /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1200Z/ Northern Boise BLM-Western Payette National Forest- Eastern Payette National Forest-Northern Boise National Forest- Treasure Valley BLM- Southern Boise/Western Sawtooth NF, including the Camas Prairie- Owyhee Mountains-Western Twin Falls BLM-Southern Highlands- Southern Grasslands- 120 PM MDT Wed Aug 12 2026 /1220 PM PDT Wed Aug 12 2026/ ...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THURSDAY TO 6 AM MDT /5 AM PDT/ FRIDAY FOR LIGHTNING FOR NORTHERN BOISE BLM...WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM... SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE... OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS AND SOUTHERN GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 400... 401...402...403...420...421...423...424...426 AND 672... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 3 PM MDT /2 PM PDT/ Thursday to 6 AM MDT /5 AM PDT/ Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern Boise BLM, 401 Western Payette National Forest, 402 Eastern Payette National Forest, 403 Northern Boise National Forest, 420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth NF, including the Camas Prairie, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. In Oregon, Fire Weather Zone 672 Southern Grasslands. * TIMING...From 3 PM MDT /2 PM PDT/ Thursday to 6 AM MDT /5 AM PDT/ Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 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. && $$ L ORZ675-131630- /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1500Z/ Baker Valley- 1220 PM PDT Wed Aug 12 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 8 AM PDT FRIDAY FOR LIGHTNING FOR BAKER VALLEY...WHICH IS FIRE WEATHER ZONE 675... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM Thursday to 8 AM PDT Friday. * AFFECTED AREA...In Oregon, Fire Weather Zone 675 Baker Valley. * TIMING...From 2 PM Thursday to 8 AM PDT Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. && $$ L ORZ670-671-131630- /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1200Z/ Burns BLM-Steens Mountain- 1220 PM PDT Wed Aug 12 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY FOR LIGHTNING FOR BURNS BLM AND STEENS MOUNTAIN...WHICH ARE FIRE WEATHER ZONES 670 AND 671... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM Thursday to 5 AM PDT Friday. * AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM and 671 Steens Mountain. * TIMING...From 2 PM Thursday to 5 AM PDT Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 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. && $$ L Action: Upgraded Issued At: 2026-08-12 14:21:21 137 WWUS85 KBOI 121920 RFWBOI URGENT - FIRE WEATHER MESSAGE National Weather Service Boise ID 120 PM MDT Wed Aug 12 2026 ...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY... A push of monsoon moisture will bring scattered thunderstorms to the region Thursday afternoon through Friday morning. Lingering dry surface air will limit the rainfall amounts on Thursday, increasing concern for lightning ignitions. ORZ673-674-131630- /O.UPG.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/ /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1500Z/ Central Canyonlands-Northwestern Vale BLM- 120 PM MDT Wed Aug 12 2026 /1220 PM PDT Wed Aug 12 2026/ ...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THURSDAY TO 9 AM MDT /8 AM PDT/ FRIDAY FOR LIGHTNING FOR CENTRAL CANYONLANDS AND NORTHWESTERN VALE BLM...WHICH ARE FIRE WEATHER ZONES 673 AND 674... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 3 PM MDT /2 PM PDT/ Thursday to 9 AM MDT /8 AM PDT/ Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zones 673 Central Canyonlands and 674 Northwestern Vale BLM. * TIMING...From 3 PM MDT /2 PM PDT/ Thursday to 9 AM MDT /8 AM PDT/ Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. && $$ L IDZ400>403-420-421-423-424-426-ORZ672-131630- /O.UPG.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/ /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1200Z/ Northern Boise BLM-Western Payette National Forest- Eastern Payette National Forest-Northern Boise National Forest- Treasure Valley BLM- Southern Boise/Western Sawtooth NF, including the Camas Prairie- Owyhee Mountains-Western Twin Falls BLM-Southern Highlands- Southern Grasslands- 120 PM MDT Wed Aug 12 2026 /1220 PM PDT Wed Aug 12 2026/ ...RED FLAG WARNING IN EFFECT FROM 3 PM MDT /2 PM PDT/ THURSDAY TO 6 AM MDT /5 AM PDT/ FRIDAY FOR LIGHTNING FOR NORTHERN BOISE BLM...WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM... SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE... OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS AND SOUTHERN GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 400... 401...402...403...420...421...423...424...426 AND 672... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 3 PM MDT /2 PM PDT/ Thursday to 6 AM MDT /5 AM PDT/ Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern Boise BLM, 401 Western Payette National Forest, 402 Eastern Payette National Forest, 403 Northern Boise National Forest, 420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth NF, including the Camas Prairie, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. In Oregon, Fire Weather Zone 672 Southern Grasslands. * TIMING...From 3 PM MDT /2 PM PDT/ Thursday to 6 AM MDT /5 AM PDT/ Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 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. && $$ L ORZ675-131630- /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1500Z/ Baker Valley- 1220 PM PDT Wed Aug 12 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 8 AM PDT FRIDAY FOR LIGHTNING FOR BAKER VALLEY...WHICH IS FIRE WEATHER ZONE 675... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM Thursday to 8 AM PDT Friday. * AFFECTED AREA...In Oregon, Fire Weather Zone 675 Baker Valley. * TIMING...From 2 PM Thursday to 8 AM PDT Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. && $$ L ORZ670-671-131630- /O.NEW.KBOI.FW.W.0018.260813T2100Z-260814T1200Z/ Burns BLM-Steens Mountain- 1220 PM PDT Wed Aug 12 2026 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY FOR LIGHTNING FOR BURNS BLM AND STEENS MOUNTAIN...WHICH ARE FIRE WEATHER ZONES 670 AND 671... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM Thursday to 5 AM PDT Friday. * AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM and 671 Steens Mountain. * TIMING...From 2 PM Thursday to 5 AM PDT Friday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 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. && $$ L | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||