Aggregator

* WHAT...Temperatures up to 102 expected. * WHERE...In California, South Central Siskiyou County, North Central and Southeast Siskiyou County, Northeast Siskiyou and Northwest Modoc Counties and Modoc County. In Oregon, Central Douglas County, Eastern Douglas County Foothills, Klamath Basin, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. * WHEN...From 2 PM this afternoon to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses to occur. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...High temperatures up to 104 Sunday and Monday. * WHERE...Lower Treasure Valley Zones. * WHEN...From noon MDT /11 AM PDT/ Sunday to 9 PM MDT /8 PM PDT/ Monday. * IMPACTS...Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals. * ADDITIONAL DETAILS...Warm overnight low temperatures Sunday night will limit the ability to cool down and recover.

* WHAT...High temperatures 95-105 expected. Overnight low temperatures 65-75. * WHERE...Fairfield, Othello, Disautel Pass, Moses Lake, Quincy, Cashmere, Number 1 Canyon, Badger Mountain Road, Cheney, Davenport, Peck, Rockford, Ephrata, Wilbur, Grand Coulee, Mansfield, Alpowa Summit, Coulee City, Odessa, Ritzville, Clarkston, Nespelem, Okanogan, Tonasket, Entiat, Wenatchee, Lewiston, Pomeroy, Worley, Bridgeport, Omak, Harrington, Culdesac, Downtown Spokane, Gifford, Lapwai, Coeur d'Alene, Brewster, Creston, Number 2 Canyon, Post Falls, Spokane Valley, Oroville, Waterville, Airway Heights, Hayden, Chelan, Lewiston Grade, and Pangborn Airport. * WHEN...From noon Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. Warm low temperatures will limit ability to cool indoor spaces overnight for those without air conditioning.

...HOT, DRY, WINDY SUNDAY AFTERNOON AND EVENING... .Hot and dry conditions will be in place on Sunday. Westerly winds will increase through the day across the East Slopes and into the Western Columbia Basin. There is a 30-50% chance for wind gusts of 30 mph or stronger along the ridgetops of the Cascades, into the foothills, and on to the Waterville Plateau. The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Sunday afternoon through Sunday evening. * Affected Area: East Washington Central Cascades (Zone 696). * Winds: West 10 to 20 mph with gusts up to 30 mph. * Relative Humidities: 18 to 25 percent in eastern half of zone 696 including lower river valleys around Leavenworth, Ardenvoir, and lower Lake Chelan increasing to 30-40% closer to the crest. * Impacts: Rapid fire spread is likely with any new fires.

...HOT, DRY, WINDY SUNDAY AFTERNOON AND EVENING... .Hot and dry conditions will be in place on Sunday. Westerly winds will increase through the day across the East Slopes and into the Western Columbia Basin. There is a 30-50% chance for wind gusts of 30 mph or stronger along the ridgetops of the Cascades, into the foothills, and on to the Waterville Plateau. The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Sunday afternoon through Sunday evening. * Affected Area: Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Winds: West 15 to 20 mph with gusts up to 30 mph. * Relative Humidities: 15 to 20 percent. * Impacts: Rapid fire spread is likely with any new fires.

* WHAT...Dangerously hot conditions with temperatures between 90 to 100 degrees possible. * WHERE...Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, and West Columbia River Gorge of Oregon above 500 ft. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 40-60% chance that Tuesday night low temperatures remain above 65 degrees and a 10-15% chance low temperatures remain above 70 degrees, which would limit overnight relief. There is also a 10-25% chance for high temperatures of 100 degrees or hotter on Tuesday and Wednesday.

* WHAT...For the Heat Advisory, temperatures between 93 and 97 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 50-75% chance that Tuesday night low temperatures remain above 65 degrees and a 15-25% chance low temperatures remain above 70 degrees, which would limit overnight relief. The highest chances are in the Portland/Vancouver Metro Area and Columbia River Gorge. There is also 20-40% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Tuesday and Wednesday.

* WHAT...For the Heat Advisory, temperatures between 93 and 97 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 50-75% chance that Tuesday night low temperatures remain above 65 degrees and a 15-25% chance low temperatures remain above 70 degrees, which would limit overnight relief. The highest chances are in the Portland/Vancouver Metro Area and Columbia River Gorge. There is also 20-40% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Tuesday and Wednesday.

* WHAT...Dangerously hot conditions with temperatures between 90 to 100 degrees possible. * WHERE...Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, and West Columbia River Gorge of Oregon above 500 ft. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 40-60% chance that Tuesday night low temperatures remain above 65 degrees and a 10-15% chance low temperatures remain above 70 degrees, which would limit overnight relief. There is also a 10-25% chance for high temperatures of 100 degrees or hotter on Tuesday and Wednesday.

* WHAT...For the Heat Advisory, temperatures between 93 and 97 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 50-75% chance that Tuesday night low temperatures remain above 65 degrees and a 15-25% chance low temperatures remain above 70 degrees, which would limit overnight relief. The highest chances are in the Portland/Vancouver Metro Area and Columbia River Gorge. There is also 20-40% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Tuesday and Wednesday.

* WHAT...High temperatures in the mid 90s to around 100 are expected. Low temperatures will be mainly in the lower to mid 60s. * WHERE...Central Douglas County and Eastern Douglas County Foothills. This includes Roseburg, Canyonville, and Toketee Falls. * WHEN...From 2 PM Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Temperatures will likely only be a couple to a few degrees cooler on Tuesday and Wednesday.

* WHAT...High temperatures of 95 to 100 are expected. Low temperatures will be mainly in the mid to upper 50s. * WHERE...Lake County and eastern Klamath County, South Central Siskiyou County, North Central and Southeast Siskiyou County, Northeast Siskiyou and Northwest Modoc Counties, Modoc County, and Klamath Basin. This includes Klamath Falls, Lakeview, Mount Shasta, and Alturas. * WHEN...From 2 PM Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Temperatures will likely only be a couple to a few degrees cooler on Tuesday and Wednesday.

* WHAT...Dangerously hot conditions with high temperatures of 100 to 105 expected, except up to 110 in the valleys of western Siskiyou County. Low temperatures will be mainly in the mid to upper 60s. * WHERE...In California, Central Siskiyou County and Western Siskiyou County. In Oregon, Eastern Curry County and Josephine County and Jackson County. This includes Medford, Ashland, Grants Pass, Cave Junction, Happy Camp, Fort Jones, and Yreka. * WHEN...From 2 PM Saturday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Temperatures will likely only be a couple to a few degrees cooler on Tuesday and Wednesday.

* WHAT...For the Heat Advisory, temperatures between 93 and 97 degrees expected. For the Extreme Heat Watch, dangerously hot conditions with afternoon temperatures between 90 and 100 degrees and low temperatures between 65 to 70 degrees possible. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley, Portland Metro Lowlands, Greater Vancouver Metro, and Central Willamette Valley. * WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For the Extreme Heat Watch, from Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 50-75% chance that Tuesday night low temperatures remain above 65 degrees and a 15-25% chance low temperatures remain above 70 degrees, which would limit overnight relief. The highest chances are in the Portland/Vancouver Metro Area and Columbia River Gorge. There is also 20-40% chance for high temperatures of 100 degrees or hotter across the Willamette Valley on Tuesday and Wednesday.

* WHAT...Temperatures between 93 and 97 degrees expected. * WHERE...South Willamette Valley. * WHEN...From 11 AM to 10 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...High temperatures 95-105 expected. Overnight low temperatures 65-75. * WHERE...Lewiston Grade, Brewster, Gifford, Worley, Cashmere, Badger Mountain Road, Pangborn Airport, Omak, Waterville, Cheney, Airway Heights, Number 2 Canyon, Mansfield, Quincy, Moses Lake, Rockford, Pomeroy, Hayden, Spokane Valley, Bridgeport, Creston, Davenport, Nespelem, Disautel Pass, Lapwai, Number 1 Canyon, Downtown Spokane, Coulee City, Oroville, Culdesac, Coeur d'Alene, Wilbur, Lewiston, Ephrata, Grand Coulee, Wenatchee, Fairfield, Alpowa Summit, Clarkston, Othello, Ritzville, Harrington, Chelan, Okanogan, Tonasket, Entiat, Peck, Post Falls, and Odessa. * WHEN...From noon Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. Warm low temperatures will limit ability to cool indoor spaces overnight for those without air conditioning.

* WHAT...Hot conditions with temperatures around 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 and Washington, Foothills of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...From noon Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Temperatures are expected to peak on Sunday. Afternoon highs may reach as high as 105 degrees across the lower Columbia Basin.

* WHAT...Hot conditions with temperatures around 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 and Washington, Foothills of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...From noon Saturday to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. Extreme heat will significantly increase the risk of heat-related illnesses for much of the population, especially those who are heat sensitive and those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Temperatures are expected to peak on Sunday. Afternoon highs may reach as high as 105 degrees across the lower Columbia Basin.

* WHAT...Dangerously hot conditions with temperatures between 95 and 105 degrees possible. Low temperatures between 65 to 70 degrees are possible Tuesday night, which would limit overnight relief. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Lower Columbia River and Cowlitz River Valleys, and Central Willamette Valley. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 40-80% chance that Tuesday night low temperatures remain above 65 degrees and a 20-40% they don't drop below 70. There is a 10-30% chance for highs to reach 105 Tuesday and Wednesday across the Willamette Valley, highest on Wednesday.

* WHAT...Dangerously hot conditions with temperatures between 95 and 105 degrees possible. Low temperatures between 65 to 70 degrees are possible Tuesday night, which would limit overnight relief. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Lower Columbia River and Cowlitz River Valleys, and Central Willamette Valley. * WHEN...From Tuesday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is a 40-80% chance that Tuesday night low temperatures remain above 65 degrees and a 20-40% they don't drop below 70. There is a 10-30% chance for highs to reach 105 Tuesday and Wednesday across the Willamette Valley, highest on Wednesday.