از: 31/07/2026, 08:16
به: 01/08/2026, 00:00

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG IN EFFECT 2PM UNTIL 8PM SATURDAY FOR THE FOLLOWING AREAS: OKANOGAN VALLEY (ZONE 703) - COLVILLE RESERVATION (ZONE 702) - WATERVILLE PLATEAU (ZONE 706) - WESTERN COLUMBIA BASIN (ZONE 707) - EASTERN COLUMBIA BASIN (ZONE 708) AND LOWER PALOUSE AND SNAKE RIVER (ZONE 709). WIND GUSTS OF 40 TO 50 MPH COMBINED WITH HUMIDITY LEVELS OF 15 TO 20 PERCENT WILL CREATE EXTREME FIRE WEATHER CONDITIONS... A strong cold front will sweep across the Inland Northwest this Saturday. Very warm conditions, dry conditions and gusty winds will contribute to rapid fire spread for any new or ongoing fires. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area: Methow Valley (Zone 704) and Foothills of Central Washington Cascades (Zone 705). * Winds: West 15 to 30 mph with gusts up to 50 mph. * Relative Humidities: 20 to 27 percent. * Impacts: Rapid fire spread is expected with any new or ongoing fires.

از: 31/07/2026, 08:16
به: 01/08/2026, 00:00

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG IN EFFECT 2PM UNTIL 8PM SATURDAY FOR THE FOLLOWING AREAS: OKANOGAN VALLEY (ZONE 703) - COLVILLE RESERVATION (ZONE 702) - WATERVILLE PLATEAU (ZONE 706) - WESTERN COLUMBIA BASIN (ZONE 707) - EASTERN COLUMBIA BASIN (ZONE 708) AND LOWER PALOUSE AND SNAKE RIVER (ZONE 709). WIND GUSTS OF 40 TO 50 MPH COMBINED WITH HUMIDITY LEVELS OF 15 TO 20 PERCENT WILL CREATE EXTREME FIRE WEATHER CONDITIONS... A strong cold front will sweep across the Inland Northwest this Saturday. Very warm conditions, dry conditions and gusty winds will contribute to rapid fire spread for any new or ongoing fires. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697) and East Washington North Cascades (Zone 698). * Winds: West 15 to 25 mph with gusts up to 45 mph. * Relative Humidities: 15 to 30 percent in the valleys and 30 to 53 percent over the higher terrain. Higher relative humidity expected near the Cascade crest over the higher terrain. * Impacts: Rapid fire spread is expected with any new or ongoing fires.

از: 31/07/2026, 08:16
به: 01/08/2026, 00:00

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG IN EFFECT 2PM UNTIL 8PM SATURDAY FOR THE FOLLOWING AREAS: OKANOGAN VALLEY (ZONE 703) - COLVILLE RESERVATION (ZONE 702) - WATERVILLE PLATEAU (ZONE 706) - WESTERN COLUMBIA BASIN (ZONE 707) - EASTERN COLUMBIA BASIN (ZONE 708) AND LOWER PALOUSE AND SNAKE RIVER (ZONE 709). WIND GUSTS OF 40 TO 50 MPH COMBINED WITH HUMIDITY LEVELS OF 15 TO 20 PERCENT WILL CREATE EXTREME FIRE WEATHER CONDITIONS... A strong cold front will sweep across the Inland Northwest this Saturday. Very warm conditions, dry conditions and gusty winds will contribute to rapid fire spread for any new or ongoing fires. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Saturday. A PDS red flag is in effect between 2 PM and 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Affected Area: Colville Reservation (Zone 702), Okanogan Valley (Zone 703), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse - Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: Southwest 20 to 30 mph with gusts up to 50 mph. * Relative Humidities: 15 to 20 percent. * Impacts: Ongoing fires or new fire ignitions will be favorable for very rapid fire spread and extreme fire behavior, which would threaten life and property.

از: 31/07/2026, 10:03
به: 31/07/2026, 23:00

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG IN EFFECT 2PM UNTIL 8PM SATURDAY FOR THE FOLLOWING AREAS: KITTITAS VALLEY (ZONE 690), LOWER COLUMBIA BASIN OF OREGON AND WASHINGTON (ZONE 691), NORTHERN BLUE MOUNTAINS OF OREGON AND WASHINGTON (ZONE 692), CANYON GRASSLANDS OF WALLOWA COUNTY AND SOUTHEAST WASHINGTON GRANDE RONDE VALLEY (ZONE 693), GRANDE RONDE VALLEY OF OREGON (ZONE 694), EAGLE CAP WILDERNESS (ZONE 695), JOHN DAY VALLEY (ZONE 696), AND CENTRAL MOUNTAINS OF OREGON (ZONE 700)... .A strong cold front will pass through the Pacific and Inland Northwest on Saturday. Very warm, dry, and windy conditions will result, leading to extreme fire weather concerns and the potential for rapid fire spread for any new or ongoing fires. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Saturday. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 701 Eastern Columbia River Gorge of Oregon, 703 Warm Springs Reservation and 704 Northern Deschutes National Forest. * TIMING...From 11 AM to 11 PM PDT Saturday. * WINDS...West 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 23 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

از: 30/07/2026, 11:57
به: 31/07/2026, 12:00

An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology Colville Confederated Tribes An Air Quality Alert has been issued for Asotin, Chelan, Douglas, Ferry, Okanogan, and Stevens Counties until further notice due to current and expected wildfire smoke from regional fires. Areas immediately downwind of active and emerging fires in Washington and Oregon may reach Unhealthy levels of particulate matter (PM2.5). When air quality is unhealthy, everyone should reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air.