43°35'北 / 119°3'西 / 高度 1266 m / 05:32 2026-07-31, America/Los_Angeles (UTC-7)
开始于: 2026-07-30, 07:13
到: 2026-07-31, 13:00
...DRY COLD FRONTAL PASSAGE SATURDAY... Elevated fire weather conditions as a dry cold front moves through the region. Winds begin to rise Saturday afternoon, although mostly remain 15 to 20 mph with 25 to 30 mph gusts. The frontal passage itself will occur overnight, bringing 30 to 40 mph gusts through Eastern Oregon. At the same time, minimum RHs across the area are well below 20%, down to 10% in the high desert. While the winds here increase overnight, RHs rise out of the 10-20% range with cooling temps. Thus, while the watch is limited to Saturday afternoon and evening, gusty winds will continue overnight including areas currently outside the fire weather watch. The National Weather Service in Boise has issued a Fire Weather Watch for winds and low relative humidities, which is in effect from Saturday afternoon through Saturday evening. * AFFECTED AREA...In Idaho, Fire Weather Zone 423 Owyhee Mountains. In Oregon, Fire Weather Zones 670 Burns BLM, 671 Steens Mountain and 672 Southern Grasslands. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...6 to 14 percent. * TEMPERATURES...90 to 100 degrees. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
Burns BLM,Harney
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
NWS Boise ID
2026-07-30, 07:13开始于: 2026-07-30, 07:13
到: 2026-07-31, 13:00
...DRY COLD FRONTAL PASSAGE SATURDAY... Elevated fire weather conditions as a dry cold front moves through the region. Winds begin to rise Saturday afternoon, although mostly remain 15 to 20 mph with 25 to 30 mph gusts. The frontal passage itself will occur overnight, bringing 30 to 40 mph gusts through Eastern Oregon. At the same time, minimum RHs across the area are well below 20%, down to 10% in the high desert. While the winds here increase overnight, RHs rise out of the 10-20% range with cooling temps. Thus, while the watch is limited to Saturday afternoon and evening, gusty winds will continue overnight including areas currently outside the fire weather watch. The National Weather Service in Boise has issued a Fire Weather Watch for winds and low relative humidities, which is in effect from Saturday afternoon through Saturday evening. * AFFECTED AREA...In Oregon, Fire Weather Zones 673 Central Canyonlands, 674 Northwestern Vale BLM and 675 Baker Valley. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...12 to 18 percent. * TEMPERATURES...89 to 97 degrees. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
HarneyA Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.NWS Boise ID2026-07-30, 07:13开始于: 2026-07-31, 02:16
到: 2026-07-31, 17:00
The National Weather Service in Medford has issued a Fire Weather Watch, which is in effect from Saturday afternoon through Saturday evening. * IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, the southeastern portion of Fire Weather Zone 624 covering the Fremont National Forest and all of Fire Weather Zone 625, covering the South Central Oregon deserts and BLM Land in Eastern Lake and Western Harney counties. * WINDS...West to southwest 15 to 20 mph with gusts to 35 mph. * MINIMUM RELATIVE HUMIDITY...6 to 14 percent. * DURATION...3 to 7 hours. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr
HarneyFollow all fire restrictions. Avoid activities that could cause
sparks. Visit weather.gov/medford/wildfire for links to fire
restrictions in your area.
A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.NWS Medford OR2026-07-31, 02:16开始于: 2026-07-31, 02:43
到: 2026-07-31, 15:00
...WINDY AND BREEZY WITH CRITICAL RELATIVE HUMIDITY SATURDAY... .Windy conditions will develop with overlapping low relative humidity values Saturday across the Columbia Basin, Eastern Mountains, and Central Oregon. * AFFECTED AREA...Fire Weather Zones 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, 697 Central Blue Mountains, 698 Southern Blue Mountains, 699 Western Forested Blue Mountains and 700 Central Mountains of Oregon. * TIMING...From Saturday morning through Saturday evening. * WINDS...West 15 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
HarneyA Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.NWS Pendleton OR2026-07-31, 02:43