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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.

* 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. * WHERE...Blue Mountains of Oregon and Washington, Grande Ronde Valley, and Wallowa County. * WHEN...From noon today to 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...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. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From noon today to 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...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 110 degrees. Overnight low temperatures in the mid-50s to lower 70s. * 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 in lower valleys and canyons. Overnight low temperatures in the mid 50s to upper 60s, lowest in high valleys. * WHERE...Blue Mountains of Oregon and Washington, Grande Ronde Valley, and Wallowa County. * WHEN...From noon today to 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...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. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From noon today to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat-related illnesses. * ADDITIONAL DETAILS...Hottest temperatures during this long-duration heatwave are expected Tuesday.

...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE CASCADES MONDAY AND TUESDAY... ...FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON AND EVENING IN CENTRAL WASHINGTON... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL AND NORTHERN CASCADES (FIRE WEATHER ZONES 696, 697)... The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * Affected Area: Fire Weather Zone 696 East Washington Central Cascades (Zone 696) and Fire Weather Zone 697 East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697). * Winds: Monday-Tuesday: 4-10 mph. A weak push of northwest winds Tuesday evening 10-15 mph. On Wednesday: west to northwest 10 to 20 mph with gusts up to 30 mph. * Relative Humidities: Monday-Tuesday: 8 to 14 percent in the valleys and 14 to 23 percent over the higher terrain. Wednesday: 10 to 15 percent in the valleys and 15 to 25 percent in the higher terrain. Poor overnight humidity recovery. * Temperatures: High temperatures 100 to 108 in the valleys, 80s and 90s in the mountains. * Impacts: hot, dry, and unstable conditions Monday and Tuesday then wind on Wednesday will lead to the potential for rapid fire growth on any new or existing fires.

...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE CASCADES MONDAY AND TUESDAY... ...FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON AND EVENING IN CENTRAL WASHINGTON... The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * Affected Area: Fire Weather Zone 703 Okanogan Valley (Zone 703), Fire Weather Zone 704 Methow Valley (Zone 704), Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705), Fire Weather Zone 706 Waterville Plateau (Zone 706) and Fire Weather Zone 707 Western Columbia Basin (Zone 707). * Winds: West 13 to 20 mph with gusts up to 35 mph. In the Okanogan Valley, winds starting off south 10 to 18 mph and shifting to west 10 to 20 mph. * Relative Humidities: 8 to 15 percent. * Impacts: Any new or existing fires will have the potential to spread rapidly.

...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE CASCADES MONDAY AND TUESDAY... ...FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON AND EVENING IN CENTRAL WASHINGTON... * Affected Area: Fire Weather Zone 698 East Washington North Cascades (Zone 698). * Relative Humidities: Minimum values 10 to 16 percent in the valleys and 14 to 23 percent over the higher terrain. Poor overnight humidity recovery. * Temperatures: High temperatures 97 to 104 in the valleys, 80s and 90s in the mountains. * Impacts: Hot, dry, and unstable conditions will lead to the potential for rapid fire growth on any new or existing fires.

...HOT, DRY, UNSTABLE CONDITIONS ALONG THE EAST SLOPES OF THE CASCADES MONDAY AND TUESDAY... ...FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY WEDNESDAY AFTERNOON AND EVENING IN CENTRAL WASHINGTON... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL AND NORTHERN CASCADES (FIRE WEATHER ZONES 696, 697)... The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * Affected Area: Fire Weather Zone 696 East Washington Central Cascades (Zone 696) and Fire Weather Zone 697 East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697). * Winds: Monday-Tuesday: 4-10 mph. A weak push of northwest winds Tuesday evening 10-15 mph. On Wednesday: west to northwest 10 to 20 mph with gusts up to 30 mph. * Relative Humidities: Monday-Tuesday: 8 to 14 percent in the valleys and 14 to 23 percent over the higher terrain. Wednesday: 10 to 15 percent in the valleys and 15 to 25 percent in the higher terrain. Poor overnight humidity recovery. * Temperatures: High temperatures 100 to 108 in the valleys, 80s and 90s in the mountains. * Impacts: hot, dry, and unstable conditions Monday and Tuesday then wind on Wednesday will lead to the potential for rapid fire growth on any new or existing fires.

...DRY AND BREEZY CONDITIONS WEDNESDAY... .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 Wednesday afternoon through Wednesday 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.

...DRY AND BREEZY CONDITIONS WEDNESDAY... .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 Wednesday afternoon through Wednesday 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.

* WHAT...High temperatures of 100 to 110 with low temperatures in the mid to upper 60s expected. * WHERE...Central Douglas County and Eastern Douglas County Foothills. This includes the cities of Roseburg, Toketee Falls, and Sutherlin. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. Area rivers will be cold and can cause shock to swimmers.