Aggregator

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 104 to 109 today through Wednesday and then 102 to 105 on Friday. Temperatures will be hottest in the lower elevations near the Snake River. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 101 possible. * WHERE...Baker County. * WHEN...For the first Excessive Heat Warning, from 10 AM Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat Warning, from 11 AM to 11 PM PDT Friday. For the Excessive Heat Watch, from Friday evening through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 105 to 110 expected. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 106 possible. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Excessive Heat Warning, until midnight MDT Friday night. For the Excessive Heat Watch, from late Friday night through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 104 to 109 today through Wednesday and then 102 to 105 on Friday. Temperatures will be hottest in the lower elevations near the Snake River. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 101 possible. * WHERE...Baker County. * WHEN...For the first Excessive Heat Warning, from 10 AM Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat Warning, from 11 AM to 11 PM PDT Friday. For the Excessive Heat Watch, from Friday evening through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...Dangerously hot conditions during the day for the valleys. Highs 95 to 103. Overnight lows will be in the 50s to low 60s. * WHERE...Mullan, Flowery Trail Road, Chewelah, Athol, Chesaw Road, Eastport, Ione, Springdale-Hunters Road, Deer Park, Lookout Pass, Newport, Highway 20 Wauconda Summit, Dobson Pass, Sherman Pass, Boulder Creek Road, Metaline, Wauconda, Orin-Rice Road, Osburn, Fernwood, Colville, Northport, Inchelium, Kellogg, St. Maries, Tiger, Bonners Ferry, Metaline Falls, Kettle Falls, Pinehurst, Sandpoint, Clark Fork, Wallace, Republic, Priest River, Fruitland, Schweitzer Mountain Road, and Fourth Of July Pass. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Hot conditions during the day for the valleys. Highs will be in the 90s except near 100 in Stehekin. Overnight lows will be in the 50s to low 60s. * WHERE...Stehekin, Stevens Pass, and Holden Village. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions during the day with little relief overnight. Highs 100 to 108 Tuesday and Wednesday. Overnight lows will be in the 60s to mid 70s. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Breezy conditions combined with low RHs will result in rapid fire spread and extreme fire behavior.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 642 Southern Blue and Strawberry Mountains, 643 Northern Blue Mountains of Oregon, 644 Central Blue Mountains, 645 Wallowa District, 692 Blue Mountains of Washington and 693 Southeast Washington Grande Ronde Valley. * TIMING...Tuesday afternoon through Wednesday evening. * WINDS...Northwest 10 to 15 mph. * RELATIVE HUMIDITY...As low as 9 percent. * TEMPERATURES...Up to 101. * IMPACTS...There is a chance of extreme fire behavior for any new and existing fires. * HAINES...As high as 6.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades, 640 Central Mountains of Oregon, 694 Yakama Alpine District and 695 East Washington South Central Cascade Mountains. * TIMING...Today through Tuesday night. * WINDS...North 5 to 15 mph. * RELATIVE HUMIDITY...As low as 8 percent. * TEMPERATURES...Up to 105. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. * HAINES...As high as 6.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 642 Southern Blue and Strawberry Mountains, 643 Northern Blue Mountains of Oregon, 644 Central Blue Mountains, 645 Wallowa District, 692 Blue Mountains of Washington and 693 Southeast Washington Grande Ronde Valley. * TIMING...Tuesday afternoon through Wednesday evening. * WINDS...Northwest 10 to 15 mph. * RELATIVE HUMIDITY...As low as 9 percent. * TEMPERATURES...Up to 101. * IMPACTS...There is a chance of extreme fire behavior for any new and existing fires. * HAINES...As high as 6.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Breezy conditions combined with low RHs will result in rapid fire spread and extreme fire behavior.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH LATE WEDNESDAY... .High pressure that has brought the hot temperatures the past weekend is showing signs of breaking down. The instability will increase as a result, and the combination of hot, dry and unstable weather warrants Red Flag Warnings and Fire Weather Watches. In addition, breezy winds will develop through the Cascade gaps and into portions of the Columbia Basin Wednesday and will coincide with low relative humidities in the afternoon and evening. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades, 640 Central Mountains of Oregon, 694 Yakama Alpine District and 695 East Washington South Central Cascade Mountains. * TIMING...Today through Tuesday night. * WINDS...North 5 to 15 mph. * RELATIVE HUMIDITY...As low as 8 percent. * TEMPERATURES...Up to 105. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. * HAINES...As high as 6.

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 15 to 20 percent with moderate to poor overnight recovery. * TEMPERATURES...High temperatures 85 to 95 degrees with overnight lows in the 60s. * MID-LEVEL HAINES...6 * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

...HOT AND DRY WITH CRITICAL HUMIDITIES AND BREEZY NORTHERLY WINDS ACROSS THE SOUTHERN WILLAMETTE VALLEY ON MONDAY, JULY 8TH... * AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern Willamette Valley. * WINDS...North 10 to 15 mph with gusts to 20 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas. Outdoor burning is not recommended.

* WHAT...Hot conditions with high temperatures in the mid to upper 90s and low temperatures in the lower to mid 60s. This will pose a moderate to major risk of heat-related illness. * WHERE...Hood Canal Area, Bellevue and Vicinity, Bremerton and Vicinity, East Puget Sound Lowlands, Everett and Vicinity, Seattle and Vicinity, Tacoma Area, West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...The warmest locations will remain in the urban centers, as well as the foothills and valleys of the Cascades where the cooling marine influence will be the last to arrive.

* WHAT...Hot conditions with high temperatures mostly in the 90s and low temperatures in the 60s. This will pose a moderate to major risk of heat-related illness. * WHERE...Admiralty Inlet Area, Eastern Strait of Juan de Fuca, Olympics, San Juan County, Western Skagit County, Western Whatcom County, Lower Chehalis Valley Area, and Southwest Interior. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Temperatures will gradually cool during the middle and late portions of the week, but will remain well above normal in the 80s for much of the lowlands.

* WHAT...Hot conditions with high temperatures away from the immediate coastline in the 80s. This will pose a moderate risk of heat-related illness. * WHERE...Central Coast, North Coast, and Western Strait of Juan De Fuca. * WHEN...Until 11 AM PDT Tuesday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Temperatures along the immediate coast will be cooler, but this will not extend very far inland during the daytime hours through Monday. Some relief is possible during the overnight hours, but will be gradual and somewhat brief. Stronger onshore flow will bring a return to closer to normal temperatures for the coastal areas by midweek.

* WHAT...Dangerously hot conditions with temperatures between 100 and 105 degrees expected. Overnight temperatures will be slow to cool off each evening, only falling below 70 degrees for a short period each night, if at all depending on your location. The warm nighttime temperatures will limit chances to recover from the heat, exacerbating the risk of heat-related illness during this prolonged heat wave. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Afternoon temperatures in the upper 80s to middle 90s expected. A few spots could reach close to 100 degrees, mainly the lower valleys located towards the Willamette Valley. * WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County, and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures between 100 and 105 degrees expected. Overnight temperatures will be slow to cool off each evening, only falling below 70 degrees for a short period each night, if at all depending on your location. The warm nighttime temperatures will limit chances to recover from the heat, exacerbating the risk of heat-related illness during this prolonged heat wave. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.