Aggregator

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...This includes eastern Fire weather zone 617, including the Diamond Complex and the southern portions of the Homestead Complex near the Fuller Lake, Reynolds Butte and Bullpup fires, northern Fire weather zone 623 north of Lake of the Woods, Fire weather zone 624 north and east of Chiloquin and northwest Fire weather zone 625 from Summer Lake northwestward. * THUNDERSTORMS...Isolated to scattered thunderstorms are expected to develop this afternoon and evening. Storms are likely to be dry with little or no rainfall. * OUTFLOW WINDS...Strong, gusty outflows up to around 50 mph are expected near storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Hot conditions with temperatures up to 98 degrees. 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. 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 95 degrees. 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...Hot conditions with temperatures up to 98 degrees. 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.

...HOT, DRY, AND UNSTABLE... * AFFECTED AREA...Fire Weather Zones 640 Central Mountains of Oregon and 642 Southern Blue and Strawberry Mountains. * TIMING...Now through Saturday evening. * WINDS...Southeast 5 to 10 mph. * RELATIVE HUMIDITY...As low as 9 percent. * TEMPERATURES...Up to 95. * IMPACTS...Possible plume dominated fire behavior. * HAINES...As high as 6.

Oregon Department of Environmental Quality has issued an Air Quality Advisory.. until 4 PM PDT Monday. A Smoke Air Quality Advisory has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. 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. For additional information...please visit the Web site at http://www.oregon.gov/DEQ

* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * WINDS...East 5 to 10 mph with gusts up to 15 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. * ADDITIONAL DETAILS...Winds will gradually weaken through the evening.

* AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...East 5 to 10 mph with gusts to 15 to 20 mph. * RELATIVE HUMIDITY...As low as 20 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.

* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * WINDS...East 5 to 10 mph with gusts up to 15 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. * ADDITIONAL DETAILS...Winds will gradually weaken through the evening.

* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * WINDS...West 5 mph or less, except east 5 to 10 mph with gusts up to 15 mph along the Cascade crest. * 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. * ADDITIONAL DETAILS...There is a 15 to 20 percent chance for thunderstorms Friday afternoon and evening. Storms may produce lightning and gusty erratic outflow winds. Lightning strikes could ignite new fires and outflow winds could lead to rapid fire growth.

The Southwest Clean Air Agency has continued an Air Quality Advisory, which is IN EFFECT UNTIL NOON PDT SATURDAY. An Air Quality Advisory for Smoke remains in effect. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times through 12 PM PDT Saturday. 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

The Oregon Department of Environmental Quality has issued an Air Quality Advisory, which is IN EFFECT UNTIL 6 PM PDT SUNDAY. An Air Quality Advisory for Smoke has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels at times through 6 PM PDT Sunday. 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.oregon.gov/DEQ

* WHAT...High concentration of smoke particulates from wildfire smoke. * WHERE...Northern 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.

* WHAT...Dangerously hot conditions with temperatures in the upper 80s to middle 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...Dangerously hot conditions with temperatures in the middle to 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 in the upper 80s to middle 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...Dangerously hot conditions with temperatures in the middle to 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.