Aggregator

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 105-110 expected. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 106 possible. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Excessive Heat Warning, from 11 AM MDT /10 AM PDT/ Tuesday to midnight MDT /11 PM PDT/ Thursday night. For the Excessive Heat Watch, from late Thursday night through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...For the Heat Advisory, temperatures up to 103 expected. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 102 possible. * WHERE...Harney County. * WHEN...For the Heat Advisory, from 10 AM Tuesday to 11 PM PDT Thursday. For the Excessive Heat Watch, from Thursday evening through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 105 to 110 expected. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 106 possible. * WHERE...Oregon Lower Treasure Valley. * WHEN...For the Excessive Heat Warning, from 2 PM Monday to midnight MDT Thursday night. For the Excessive Heat Watch, from late Thursday night through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures 105 to 110, hottest in the lower elevations near the Snake River. For the Excessive Heat Watch, dangerously hot conditions with temperatures up to 100 possible. * WHERE...Baker County. * WHEN...For the Excessive Heat Warning, from 10 AM Tuesday to 11 PM PDT Wednesday. For the Excessive Heat Watch, from Thursday evening through Sunday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...Fire weather zones 280...616, 617, 620, 621, 622, 623 & 624. This includes much of western Siskiyou County, Douglas County, northern and central Josephine County, Jackson County, most of Klamath County and western Lake County. * WIND...Northwest 10 to 15 mph with gusts as high as 25 mph. * HUMIDITY...7 to 15 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Temperatures up to 96. * 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 Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures 100 to 105 expected. Overnight temperatures will be slow to cool off each evening, only falling below 70 degrees for a short period each night, if at all. The warm nighttime temperatures will limit chances to recover from the heat, exacerbating the risk of heat-related illness in this prolonged heat wave. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The most intense portion of this heat wave has not yet occurred. The hottest temperatures are expected Monday and Tuesday, with Monday night being the warmest night.

* WHAT...Temperatures up to 96. * 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 Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions with temperatures 100 to 105 expected. Overnight temperatures will be slow to cool off each evening, only falling below 70 degrees for a short period each night, if at all. The warm nighttime temperatures will limit chances to recover from the heat, exacerbating the risk of heat-related illness in this prolonged heat wave. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 10 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The most intense portion of this heat wave has not yet occurred. The hottest temperatures are expected Monday and Tuesday, with Monday night being the warmest night.

* WHAT...Dangerously hot conditions with little overnight relief. Afternoon high temperatures potentially as high as 105 degrees. Overnight and morning lows in the 60s. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures potentially reaching 105 degrees in the Grande Ronde Valley, with highs in the 90s up to or exceeding 100 degrees in the mountains and mountain valleys. Overnight and morning low temperatures in the 50 and 60s. * WHERE...Blue Mountains of Oregon and Washington, Grande Ronde Valley, and Wallowa County. * WHEN...From noon Monday to 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...In Wallowa County, hottest temperatures will be in the canyons, especially Hells Canyon. Moderate to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Dangerously hot conditions with little overnight relief. Afternoon high temperatures potentially exceeding 110 degrees in some areas. Overnight low temperatures in the 60s and 70s. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures potentially reaching 105 along the East Slopes of the Oregon Cascades, and potentially exceeding 100 degrees along the Upper Slopes of the Eastern Washington Cascades Crest. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From noon Monday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to Major HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures potentially reaching 105 degrees in the Grande Ronde Valley, with highs in the 90s up to or exceeding 100 degrees in the mountains and mountain valleys. Overnight and morning low temperatures in the 50 and 60s. * WHERE...Blue Mountains of Oregon and Washington, Grande Ronde Valley, and Wallowa County. * WHEN...From noon Monday to 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...In Wallowa County, hottest temperatures will be in the canyons, especially Hells Canyon. Moderate to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Dangerously hot conditions with little overnight relief. Afternoon high temperatures potentially exceeding 110 degrees in some areas. Overnight low temperatures in the 60s and 70s. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Dangerously hot conditions with little overnight relief. Afternoon high temperatures potentially exceeding 105 degrees. Overnight lows in the upper 50s to 60s. * WHERE...Central Oregon and John Day Basin. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Hot temperatures with modest overnight relief. Afternoon high temperatures potentially reaching 105 along the East Slopes of the Oregon Cascades, and potentially exceeding 100 degrees along the Upper Slopes of the Eastern Washington Cascades Crest. * WHERE...In Oregon, East Slopes of the Oregon Cascades. In Washington, Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From noon Monday to 10 PM PDT Tuesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to Major HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.

* WHAT...Dangerously hot conditions during the day for the valleys. Highs will be in the 90s, except 97 to 103 on Tuesday and Wednesday. Overnight lows will be in 50s to low 60s. * WHERE...Bonners Ferry, Metaline Falls, Mullan, Kettle Falls, Highway 20 Wauconda Summit, Colville, Inchelium, Wallace, Fruitland, Springdale-Hunters Road, Ione, Kellogg, Sherman Pass, Eastport, Tiger, Metaline, Schweitzer Mountain Road, Newport, Pinehurst, Fourth Of July Pass, Deer Park, Dobson Pass, Wauconda, Clark Fork, Chesaw Road, St. Maries, Osburn, Athol, Sandpoint, Fernwood, Flowery Trail Road, Priest River, Lookout Pass, Boulder Creek Road, Chewelah, Republic, Orin-Rice Road, and Northport. * WHEN...From noon today to 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Hot conditions during the day for the valleys. Highs will be in the 90s. Overnight lows will be in 50s to low 60s. * WHERE...Stehekin, Holden Village, and Stevens Pass. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Dangerously hot conditions during the day with little relief overnight. Highs will be in the mid 90s to lower 100s except Tuesday and Wednesday with highs 100 to 108. Overnight lows will be in 60s to mid 70s. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...Until 10 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat.