Aggregator

* WHAT...Hot conditions with high temperatures in the mid 80s to near 90 degrees with lower 90s probable in the Cascade Valleys. Lows Monday morning in the mid 50s to lower 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 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. * ADDITIONAL DETAILS...Water temperatures, including area lakes and rivers, remain cold (in the upper 40s and 50s) which significantly increases the risk of cold shock and drowning, even for confident swimmers in calm water. Cold water drains body heat up to 25 times faster than cold air.

* WHAT...High temperatures between 92 and 97 degrees will produce widespread Moderate HeatRisk through this evening. The hottest temperatures are expected from the Portland/Vancouver Metro east through the Columbia Gorge to the Hood River Valley. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Exposure to hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries.

* WHAT...High temperatures between 92 and 97 degrees will produce widespread Moderate HeatRisk through this evening. The hottest temperatures are expected from the Portland/Vancouver Metro east through the Columbia Gorge to the Hood River Valley. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Exposure to hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries.

* WHAT...Temperatures up to 100 degrees. * WHERE...Oregon Lower Treasure Valley. * WHEN...From noon MDT /11 AM PDT/ today to 10 PM MDT /9 PM PDT/ Tuesday. * IMPACTS...Heat across the area may result in heat-related illness, especially for the young, elderly, and animals.

* WHAT...High temperatures of 95 to 102 degrees expected. * WHERE...The Umpqua, Rogue, Applegate, and Illinois valleys in Douglas, Jackson and Josephine counties, and the Shasta, Scott, Klamath, and Salmon valleys in Siskiyou County. This includes Medford, Ashland, Grants Pass, Provolt, Cave Junction, Yreka, Happy Camp, Fort Jones, Somes Bar, Sawyers Bar, Roseburg, Camas Valley, Canyonville, Sutherlin, Drain, and Elkton. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Area rivers remain cold and dangerous due to ongoing mountain snowmelt. Practice cold water safety if seeking relief from hot temperatures in area waterways.

* WHAT...Hot conditions with high temperatures in the mid 80s to near 90 degrees with lower to mid 90s probable in the Cascade Valleys. Lows Monday morning in the mid 50s to lower 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 PM PDT Monday. * 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. * ADDITIONAL DETAILS...Water temperatures, including area lakes and rivers, remain cold (in the upper 40s and 50s) which significantly increases the risk of cold shock and drowning, even for confident swimmers in calm water. Cold water drains body heat up to 25 times faster than cold air.

* WHAT...Hot conditions with high temperatures in the mid 80s to near 90 degrees with lower to mid 90s probable in the Cascade Valleys. Lows Monday morning in the mid 50s to lower 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 10 PM PDT Monday. * 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. * ADDITIONAL DETAILS...Water temperatures, including area lakes and rivers, remain cold (in the upper 40s and 50s) which significantly increases the risk of cold shock and drowning, even for confident swimmers in calm water. Cold water drains body heat up to 25 times faster than cold air.

* WHAT...High temperatures between 92 and 98 degrees and low temperatures between 58 and 66 degrees will produce widespread Moderate HeatRisk today and Monday. Major HeatRisk will be most widespread in the Portland/Vancouver Metro, Columbia River Gorge, and Hood River Valley where temperatures will be the hottest. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT Monday. * IMPACTS...Exposure to hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries. Major HeatRisk is the level of heat that affects anyone without effective cooling and/or adequate hydration. Impacts are likely in some health systems, heat-sensitive industries, and infrastructure.

* WHAT...High temperatures between 92 and 98 degrees and low temperatures between 58 and 66 degrees will produce widespread Moderate HeatRisk today and Monday. Major HeatRisk will be most widespread in the Portland/Vancouver Metro, Columbia River Gorge, and Hood River Valley where temperatures will be the hottest. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 10 PM PDT Monday. * IMPACTS...Exposure to hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate HeatRisk is the level of heat that affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries. Major HeatRisk is the level of heat that affects anyone without effective cooling and/or adequate hydration. Impacts are likely in some health systems, heat-sensitive industries, and infrastructure.

...BREEZY WINDS AND LOW HUMIDITY EXPECTED MONDAY AND TUESDAY... .Winds are expected to increase through the Kittitas Valley, Columbia River Gorge, and into the Columbia Basin starting Monday afternoon. This, combined with very low RHs due to the ongoing heat wave, will make for increased risks for wildfire spread, especially during the afternoon and early evening hours on Monday and Tuesday. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM Monday to 8 PM PDT Tuesday. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley and 691 Lower Columbia Basin of Washington. * TIMING...From 2 PM Monday to 8 PM PDT Tuesday. * WINDS...West 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

* WHAT...Temperatures up to 100 expected. * WHERE...Oregon Lower Treasure Valley. * WHEN...From noon MDT /11 AM PDT/ Monday to 10 PM MDT /9 PM PDT/ Tuesday. * IMPACTS...Heat across the area may result in heat-related illness, especially for the young, elderly, and animals.

* WHAT...Hot conditions with temperatures up to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. 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. * ADDITIONAL DETAILS...Hottest temperatures are expected to occur Monday afternoon.

* WHAT...Hot conditions with temperatures up to 105 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hottest temperatures are expected to occur Monday afternoon.

* WHAT...Hot conditions with temperatures up to 100 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. 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. * ADDITIONAL DETAILS...Hottest temperatures are expected to occur Monday afternoon.

* WHAT...Hot conditions with temperatures up to 105 degrees expected. This will pose a moderate to major risk of heat-related illness. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hottest temperatures are expected to occur Monday afternoon.

...HOT, DRY, AND BREEZY MONDAY AND TUESDAY... .Afternoon Cascade gap winds will develop both Monday and Tuesday across central Washington with hot temperatures in the 80s and 90s and dry conditions. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 3 PM to 9 PM PDT Monday. A Red Flag Warning has also been issued from 3 PM to 9 PM PDT Tuesday. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705) and Fire Weather Zone 706 Waterville Plateau (Zone 706). * Winds: West/Northwest 10 to 20 mph with gusts up to 30 mph. * Relative Humidities: 15 to 25 percent. * Impacts: Risk of rapidly spreading fires.

...HOT, DRY, AND BREEZY MONDAY AND TUESDAY... .Afternoon Cascade gap winds will develop both Monday and Tuesday across central Washington with hot temperatures in the 80s and 90s and dry conditions. The National Weather Service in Spokane has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 3 PM to 9 PM PDT Monday. A Red Flag Warning has also been issued from 3 PM to 9 PM PDT Tuesday. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705) and Fire Weather Zone 706 Waterville Plateau (Zone 706). * Winds: West/Northwest 10 to 20 mph with gusts up to 30 mph. * Relative Humidities: 15 to 25 percent. * Impacts: Risk of rapidly spreading fires.

* WHAT...High temperatures between 91 and 101 degrees. * WHERE...Nespelem, Tonasket, Mansfield, Omak, Winthrop, Conconully, Oroville, Waterville, Okanogan, Loup Loup Pass, Methow, Leavenworth, Bridgeport, Holden Village, Mazama, Stehekin, Twisp, Brewster, Badger Mountain Road, Disautel Pass, Plain, and Stevens Pass. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Increased risk of heat-related illnesses. * ADDITIONAL DETAILS...Low temperatures in the 60s will provide little relief at night. Be mindful that lakes, rivers, and streams are still cold.

* WHAT...Hot conditions with high temperatures between 95 and 105. * WHERE...Wenatchee, Quincy, Number 1 Canyon, Othello, Entiat, Pangborn Airport, Moses Lake, Cashmere, Ephrata, Chelan, and Number 2 Canyon. * WHEN...Until 9 PM PDT Tuesday. * IMPACTS...Increased risk for heat-related illnesses. * ADDITIONAL DETAILS...Low temperatures in the mid 60s to low 70s will provide very little relief at night.

* WHAT...High temperatures between 91 and 101 degrees. * WHERE...Bonners Ferry, Moscow, Ione, Osburn, Mullan, Wallace, Kettle Falls, Inchelium, Post Falls, Springdale-Hunters Road, St. Maries, Davenport, Highway 20 Wauconda Summit, Spokane Valley, Wauconda, Sandpoint, Plummer, Eastport, Fernwood, Downtown Spokane, Flowery Trail Road, Newport, Dobson Pass, Lookout Pass, Potlatch, Colville, Chewelah, Fairfield, Republic, Athol, Airway Heights, Kellogg, Rockford, Priest River, Clark Fork, Fruitland, Chesaw Road, Fourth Of July Pass, Sherman Pass, Orin-Rice Road, Metaline Falls, Hayden, Tiger, Deer Park, Cheney, Genesee, Northport, Boulder Creek Road, Metaline, Schweitzer Mountain Road, Coeur d'Alene, Worley, and Pinehurst. * WHEN...From noon Monday to 9 PM PDT Tuesday. * IMPACTS...Increased risk of heat-related illnesses. * ADDITIONAL DETAILS...Be mindful that lakes, rivers, and streams are still cold.