Aggregator

* WHAT...Hot conditions with temperatures in the mid 80s to mid 90s expected. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From 8 AM this morning to 11 PM PDT Friday. * 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 in the 80s to lower 90s expected. This will pose a moderate risk of heat-related illness. * WHERE...Central Coast, Eastern Strait of Juan de Fuca, North Coast, Western Skagit County, Western Strait of Juan De Fuca, and Western Whatcom County. * WHEN...From 8 AM this morning to 11 PM PDT this evening. * 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.

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 to 25 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 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. * WINDS...East 10 to 15 mph with gusts up to 25 mph. * TIMING...Easterly winds will continue into early this morning, allowing for the relative humidity to drop quickly. Winds will ease below thresholds this afternoon while dry and unstable conditions will continue through Friday afternoon. * IMPACTS...A combination of a moderate breeze overnight into the early morning hours on Thursday, as well as low relative humidity, and warm temperatures can contribute to rapid rates of spread and down-wind spotting on existing fires. If a fire were to begin, air quality may diminish in the surrounding area. 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 87. * 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...Temperatures around 100 to 105 expected in the afternoon. * WHERE...In California, Western Siskiyou County. In Oregon, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and South Central Oregon Coast. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures up to 93 expected. * WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County, and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot temperatures in the mid to upper 90s expected. Overnight lows in the mid 50s to near 70. * WHERE...In Oregon, Upper Hood River Valley. In Washington, South Washington Cascade Foothills. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Temperatures 94 to 97 expected. Overnight lows in the mid 50s to mid 60s. * WHERE...Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures around 100 expected. Overnight lows in the upper 50s to near 70, warmest in urban areas, Columbia River Gorge, and Cascade Foothills and Valleys. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* WHAT...Dangerously hot temperatures in the mid to upper 90s expected. Overnight lows in the mid 50s to near 70. * WHERE...In Oregon, Upper Hood River Valley. In Washington, South Washington Cascade Foothills. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures up to 93 expected. * WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County, and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Temperatures 94 to 97 expected. Overnight lows in the mid 50s to mid 60s. * WHERE...North Oregon Coast Range, North Oregon Coast Range Lowlands, Central Oregon Coast Range, and Central Oregon Coast Range Lowlands. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures around 100 expected. Overnight lows in the upper 50s to near 70, warmest in urban areas, Columbia River Gorge, and Cascade Foothills and Valleys. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From noon today to 10 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...East 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...20 to 30 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, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest. * WINDS...East 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...20 to 30 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.

The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 9 AM to 7 PM PDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and Central Willamette Valley. In Washington, Fire Weather Zone 633 Clark County Lowlands and Swift Reservoir Region. * WINDS...Northeast 5 to 15 mph with gusts 20 to 25 mph. * RELATIVE HUMIDITY...20 to 30 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...Within the Willamette Valley, the Red Flag Warning is specifically for areas around the Portland- Metro area near the entrance to the Columbia River Gorge and from Oregon City northward east of I-5.

* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest. * WINDS...East 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...20 to 30 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.

The National Weather Service in Portland has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 9 AM to 7 PM PDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and Central Willamette Valley. In Washington, Fire Weather Zone 633 Clark County Lowlands and Swift Reservoir Region. * WINDS...Northeast 5 to 15 mph with gusts 20 to 25 mph. * RELATIVE HUMIDITY...20 to 30 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...Within the Willamette Valley, the Red Flag Warning is specifically for areas around the Portland- Metro area near the entrance to the Columbia River Gorge and from Oregon City northward east of I-5.

* AFFECTED AREA...In Oregon, Fire Weather Zone 686 Northern Oregon Cascade Foothills. * WINDS...East 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...20 to 30 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.