Aggregator

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures of 90 to 105 degrees, highest along the East Slopes of the Oregon Cascades. Overnight low temperatures in the low 50s to upper 60s, lowest in valleys. This will pose a moderate risk of heat-related illness. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat-related illnesses. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures of 90 to 105 degrees, highest in lower valleys and canyons. Overnight low temperatures in the mid 50s to upper 60s, lowest in high valleys. This will pose a moderate risk of heat-related illness. * WHERE...Blue Mountains of Oregon and Washington, Grande Ronde Valley, and Wallowa County. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat-related illnesses. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday and Wednesday.

* WHAT...Dangerously hot conditions with limited overnight relief. Afternoon high temperatures of 95 to 110 degrees. Overnight low temperatures in the 60s to mid-70s. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

* WHAT...Dangerously hot conditions with limited overnight relief. Afternoon high temperatures of 95 to 110 degrees. Overnight low temperatures in the mid-50s to lower 70s. This will pose a major risk of heat-related illness. * WHERE...Central Oregon and John Day Basin. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures of 90 to 105 degrees, highest along the East Slopes of the Oregon Cascades. Overnight low temperatures in the low 50s to upper 60s, lowest in valleys. This will pose a moderate risk of heat-related illness. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat-related illnesses. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

The Southwest Clean Air Agency, the Oregon Department of Environmental Quality, and the Lane Regional Air Protection Agency has issued an Air Quality Advisory, which is IN EFFECT UNTIL 8 PM PDT TUESDAY. An Air Quality Advisory for Ozone has been issued. High levels of ozone in the lower atmosphere in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times through Tuesday evening. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org

The Southwest Clean Air Agency, the Oregon Department of Environmental Quality, and the Lane Regional Air Protection Agency has issued an Air Quality Advisory, which is IN EFFECT UNTIL 8 PM PDT TUESDAY. An Air Quality Advisory for Ozone has been issued. High levels of ozone in the lower atmosphere in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times through Tuesday evening. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org

* 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 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 95 to 105 Monday, 100 to 108 Tuesday and Wednesday. Overnight lows will be in 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.

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

CORRECTED TO ADD WA695 ...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 and 692 Blue Mountains of Washington. * TIMING...Tuesday afternoon through Wednesday evening. * WINDS...Northwest 5 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.

CORRECTED TO ADD WA695 ...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. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Tuesday afternoon through Wednesday evening. * AFFECTED AREA...Fire Weather Zone 693 Southeast Washington Grande Ronde Valley. * TIMING...Tuesday afternoon through Wednesday evening. * WINDS...Northwest 5 to 15 mph. * RELATIVE HUMIDITY...As low as 11 percent. * TEMPERATURES...Up to 106. * IMPACTS...There is a chance of extreme fire behavior for any new and existing fires. * HAINES...As high as 6.

CORRECTED TO ADD WA695 ...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.

CORRECTED TO ADD WA695 ...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 10 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.

CORRECTED TO ADD WA695 ...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 and 692 Blue Mountains of Washington. * TIMING...Tuesday afternoon through Wednesday evening. * WINDS...Northwest 5 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.

CORRECTED TO ADD WA695 ...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.

CORRECTED TO ADD WA695 ...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 10 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 AND DRY WITH CRITICAL HUMIDITIES AND BREEZY NORTHERLY WINDS ACROSS THE SOUTHERN WILLAMETTE VALLEY ON MONDAY, JULY 8TH... The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM this afternoon to 7 PM PDT this evening. * AFFECTED AREA...In Oregon, Fire Weather Zone 685 covering the Southern Willamette Valley. * WINDS...North 10 to 15 mph with gusts up to 25 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...Dangerously hot conditions with limited overnight relief. Afternoon high temperatures of 95 to 110 degrees. Overnight low temperatures in the 60s to mid-70s. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

* WHAT...Dangerously hot conditions with limited overnight relief. Afternoon high temperatures of 95 to 105 degrees. Overnight low temperatures in the mid-50s to lower 70s. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.