915 WWUS86 KSEW 230233 RFWSEW URGENT - FIRE WEATHER MESSAGE National Weather Service Seattle WA 733 PM PDT Sat Aug 22 2026 WAZ658-230345- /O.EXP.KSEW.FW.W.0006.000000T0000Z-260823T0300Z/ West Slopes of the North Cascades Generally above 1500 Feet- 733 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR LIGHTNING AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 658... The thunderstorm threat over the northern Cascades has largely wrapped up, with the closest activity now north of the Canadian border. That said, this Red Flag Warning will be allowed to expire at 8 PM PDT. $$  655 WWUS85 KBOI 230252 RFWBOI URGENT - FIRE WEATHER MESSAGE National Weather Service Boise ID 852 PM MDT Sat Aug 22 2026 ...SCATTERED THUNDERSTORMS WITH LIGHTNING EXPECTED ACROSS PORTIONS OF SOUTHWEST IDAHO DISTRICTS... ORZ670>672-230400- /O.EXP.KBOI.FW.W.0019.000000T0000Z-260823T0300Z/ Burns BLM-Steens Mountain-Southern Grasslands- 752 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY FOR BURNS BLM...STEENS MOUNTAIN AND SOUTHERN GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 670... 671 AND 672... $$ G 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. && $$ W  843 WWUS85 KPIH 230257 RFWPIH URGENT - FIRE WEATHER MESSAGE National Weather Service Pocatello ID 857 PM MDT Sat Aug 22 2026 IDZ410-422-425-427-475-476-230400- /O.EXP.KPIH.FW.W.0022.000000T0000Z-260823T0300Z/ Upper Snake River Valley/Idaho Falls BLM- Sawtooth Range/Northern Sawtooth NF- Middle Snake River Valley/Twin Falls BLM north of the Snake River- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- East Salmon River Mountains/Salmon NF- Lemhi and Lost River Range/Challis NF- 857 PM MDT Sat Aug 22 2026 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 422, 425, 427, 475, AND 476... Thunderstorm activity in the warned area has fallen to isolated coverage of thunderstorms, or thunderstorms have ended completely. $$  806 WWUS86 KPDT 230256 RFWPDT URGENT - FIRE WEATHER MESSAGE National Weather Service Pendleton OR 756 PM PDT Sat Aug 22 2026 ...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY TODAY... ...HIGH-BASED SHOWERS AND THUNDERSTORMS THIS EVENING FOR THE NORTHERN BLUE MOUNTAINS... .An approaching low-pressure system will bring widespread breezy westerly winds through the Cascade gaps, across the Columbia Basin, and into portions of the Blue Mountains today. Coupled with low relative humidity, this will lead to critical fire weather conditions. Moreover, high-based showers and thunderstorms are forecast. ORZ693-WAZ693-230400- /O.CAN.KPDT.FW.W.0020.000000T0000Z-260823T0300Z/ Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 756 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR693 AND WA693... The National Weather Service in Pendleton has cancelled the Red Flag Warning. Wind and RH have improved over the last few hours. Critical fire weather conditions are not imminent for these zones. $$ ORZ691-703-WAZ690-691-230500- /O.CON.KPDT.FW.W.0020.000000T0000Z-260823T0500Z/ Lower Columbia Basin of Oregon-Warm Springs Reservation- Kittitas Valley-Lower Columbia Basin of Washington- 756 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR691, OR703, WA690, AND WA691... * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 703 Warm Springs Reservation. * TIMING...Until 10 PM PDT this evening. * WINDS...West 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 to 25 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ORZ696-698-700-230500- /O.CON.KPDT.FW.W.0020.000000T0000Z-260823T0500Z/ John Day Valley-Southern Blue Mountains- Central Mountains of Oregon- 756 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR696, OR698, AND OR700... * AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 698 Southern Blue Mountains and 700 Central Mountains of Oregon. * TIMING...Until 10 PM PDT this evening. * WINDS...West 10 to 20 mph with gusts of 30 mph. * RELATIVE HUMIDITY...As low as 10 to 20 percent. * 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 shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ORZ692-WAZ692-230515- /O.CON.KPDT.FW.W.0020.000000T0000Z-260823T0600Z/ Northern Blue Mountains of Oregon-Blue Mountains of Washington- 756 PM PDT Sat Aug 22 2026 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES OR692 AND WA692... * AFFECTED AREA...Fire Weather Zones 692 Northern Blue Mountains of Oregon and 692 Blue Mountains of Washington. * TIMING...Until 11 PM PDT this evening. * THUNDERSTORMS...Isolated to scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty, erratic winds of 40 to 60mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$