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 The Fire Weather Watch is no longer in effect.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. The Fire Weather Watch is no longer in effect.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, 12:56
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. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington, 692 Northern Blue Mountains of Oregon, 692 Blue Mountains of Washington, 693 Canyon Grasslands of Wallowa County, 693 Southeast Washington Grande Ronde Valley, 694 Grande Ronde Valley of Oregon, 695 Eagle Cap Wilderness, 696 John Day Valley and 700 Central Mountains of Oregon. * 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 15 percent. * IMPACTS...This is a PARTICULARLY DANGEROUS SITUATION as extreme Fire Weather concerns will be present. Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

از: 31/07/2026, 02:40
به: 31/07/2026, 15:00

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Kittitas Valley. * WHEN...From 11 AM to 11 PM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.