Aggregator

* WHAT...High concentration of smoke particulates from wildfire smoke. * WHERE...Harney and Malheur Counties. * WHEN...UNTIL 9 AM PDT MONDAY. * IMPACTS...Smoke can irritate the eyes, lungs and worsen some medical conditions. People most at risk to adverse health effects include infants, young children, people with heart or lung disease, older adults, and pregnant women. * ADDITIONAL DETAILS...Smoke levels can change rapidly depending on weather. Check current conditions on the Oregon Smoke Information Blog, DEQ's Air Quality Index, or by downloading the free OregonAIR app on your smartphone.

* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * TEMPERATURES...Up to 90. * HAINES...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.

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * TEMPERATURES...Up to 85. * HAINES...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.

* AFFECTED AREA...Fire Weather Zone 652 West Portion of the Olympic Mountains and Fire Weather Zone 661 East Portion of the Olympic Mountains. * RELATIVE HUMIDITY...As low as 20 to 25 percent. * TEMPERATURES...Up to 86. * HAINES...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.

* WHAT...Dangerously hot conditions with temperatures in the lower to middle 90s. Some spots in the lower terrain such as the valleys and the Hood River Valley will reach into the upper 90s. * WHERE...In Oregon, Upper Hood River Valley. In Washington, South Washington Cascade Foothills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Dangerously hot conditions with temperatures in the upper 80s to middle 90s. * 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 this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Dangerously hot conditions with temperatures into the middle to upper 90s. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...High temperatures in the upper 80s to lower 90s. * WHERE...Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Visibility of less than one quarter of a mile in dense fog. * WHERE...In Oregon, Clatsop County Coast, Tillamook County Coast, and Central Coast of Oregon. In Washington, South Washington Coast. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Dangerously hot conditions with temperatures in the lower to middle 90s. Some spots in the lower terrain such as the valleys and the Hood River Valley will reach into the upper 90s. * WHERE...In Oregon, Upper Hood River Valley. In Washington, South Washington Cascade Foothills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Dangerously hot conditions with temperatures in the upper 80s to middle 90s. * 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 this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Dangerously hot conditions with temperatures into the middle to upper 90s. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...High temperatures in the upper 80s to lower 90s. * WHERE...North Oregon Coast Range, North Oregon Coast Range Lowlands, Central Oregon Coast Range, and Central Oregon Coast Range Lowlands. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Visibility of less than one quarter of a mile in dense fog. * WHERE...In Oregon, Clatsop County Coast, Tillamook County Coast, and Central Coast of Oregon. In Washington, South Washington Coast. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Hot conditions with temperatures up to 102 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 9 PM PDT Saturday. * 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.

* WHAT...Hot conditions with temperatures up to 94 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 9 PM PDT Saturday. * 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.

* WHAT...Hot conditions with temperatures up to 102 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 9 PM PDT Saturday. * 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.

* WHAT...Hot conditions with temperatures up to 95 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Ochoco-John Day Highlands and Southern Blue Mountains of Oregon. * WHEN...Until 9 PM PDT Saturday. * 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.

* WHAT...Temperatures around 100 to 105 expected in the afternoons. * WHERE...In California, Western Siskiyou County. In Oregon, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and South Central Oregon Coast. This includes the lower Klamath, Rogue, Illinois, Umpqua, upper Coquille, and Camas valleys. This includes the cities of Somes Bar, Happy Camp, Ashland, Medford, Grants Pass, Cave Junction, Roseburg, Agness, and Powers. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

...HOT, DRY, AND UNSTABLE... The National Weather Service in Pendleton has issued a Red Flag Warning for dry and unstable conditions, which is in effect from noon today to 9 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 640 Central Mountains of Oregon and 642 Southern Blue and Strawberry Mountains. * TIMING...Friday through Saturday evening. * WINDS...Southeast 5 to 10 mph. * RELATIVE HUMIDITY...As low as 8 percent. * TEMPERATURES...Up to 97. * IMPACTS...Possible plume dominated fire behavior. * HAINES...As high as 6.