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Excessive Heat Warning issued July 4 at 4:43AM PDT until July 7 at 11:00PM PDT by NWS Portland OR

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with temperatures 100 to 105 expected. Overnight temperatures will also be very warm and limit chances to recover from the heat, with lows ranging from the mid 60s to low 70s. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From noon today to 11 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
NWS

Heat Advisory issued July 4 at 4:43AM PDT until July 7 at 11:00PM PDT by NWS Portland OR

8 months 4 weeks ago
* WHAT...Afternoon temperatures in the upper 80s to middle 90s expected. A few spots could reach close to 100 deg in spots, mainly those lower valleys that are located near the Willamette Valley. * 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 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.
NWS

Excessive Heat Warning issued July 4 at 4:43AM PDT until July 7 at 11:00PM PDT by NWS Portland OR

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with temperatures 100 to 105 expected. Overnight temperatures will also be very warm and limit chances to recover from the heat, with lows ranging from the mid 60s to low 70s. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...From noon today to 11 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
NWS

Heat Advisory issued July 4 at 4:43AM PDT until July 7 at 11:00PM PDT by NWS Portland OR

8 months 4 weeks ago
* WHAT...Afternoon temperatures in the upper 80s to middle 90s expected. A few spots could reach close to 100 deg in spots, mainly those lower valleys that are located near the Willamette Valley. * 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 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.
NWS

Heat Advisory issued July 4 at 4:38AM PDT until July 8 at 10:00PM PDT by NWS Seattle WA

8 months 4 weeks ago
* WHAT...Hot conditions with temperatures in the upper 80s and 90s expected. This will pose a moderate to major risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From noon Friday to 10 PM PDT Monday. * IMPACTS...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.
NWS

Heat Advisory issued July 4 at 4:38AM PDT until July 7 at 10:00PM PDT by NWS Seattle WA

8 months 4 weeks ago
* WHAT...Hot conditions with temperatures in the upper 70s and 80s near the coast. Temperatures in the upper 80s and 90s away from the coast. This will pose a moderate risk of heat-related illness. * WHERE...Central Coast, North Coast, and Western Strait of Juan De Fuca. * WHEN...From noon Friday to 10 PM PDT Sunday. * 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.
NWS

Fire Weather Watch issued July 4 at 3:46AM PDT until July 5 at 9:00PM PDT by NWS Spokane WA

8 months 4 weeks ago
...DRY AND BREEZY CONDITIONS FRIDAY AFTERNOON... .A weak weather system Friday will produce gusty winds and low relative humidity in the Cascade gaps and 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 Friday afternoon through Friday evening. * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705) and Fire Weather Zone 706 Waterville Plateau (Zone 706). * Winds: West 15 to 25 mph with gusts up to 30 mph. * Relative Humidities: 12 to 20 percent. * Impacts: Any new or existing fires will have the potential to spread rapidly.
NWS

Fire Weather Watch issued July 4 at 3:42AM PDT until July 5 at 9:00PM PDT by NWS Pendleton OR

8 months 4 weeks ago
...DRY AND BREEZY CONDITIONS FRIDAY... .Breezy winds will develop through the Kittitas valley Friday and will coincide with very low relative humidities in the afternoon. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * WINDS...West 15 to 20 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Breezy conditions combined with low RHs will result in rapid fire spread and extreme fire behavior.
NWS

Excessive Heat Warning issued July 4 at 2:57AM PDT until July 11 at 10:00PM PDT by NWS Pendleton OR

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with little overnight relief. Highs in the 90s to middle 100s. Morning lows in the middle and upper 60s. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From noon Friday to 10 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Persistent Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.
NWS

Heat Advisory issued July 4 at 2:57AM PDT until July 11 at 10:00PM PDT by NWS Pendleton OR

8 months 4 weeks ago
* WHAT...Hot temperatures with modest overnight relief. Highs in the 90s to lower 100s. Morning lows in the upper 50s to middle 60s. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From noon Friday to 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Persistent Moderate to Major HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.
NWS

Heat Advisory issued July 4 at 2:57AM PDT until July 11 at 10:00PM PDT by NWS Pendleton OR

8 months 4 weeks ago
* WHAT...Hot temperatures with modest overnight relief. Highs in the 90s to lower 100s. Morning lows in the upper 50s to middle 60s. * WHERE...Central Oregon and John Day Basin. * WHEN...From noon Friday to 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Persistent Moderate to Major HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.
NWS

Excessive Heat Warning issued July 4 at 2:57AM PDT until July 11 at 10:00PM PDT by NWS Pendleton OR

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with little overnight relief. Highs in the 90s to middle 100s. Morning lows in the middle and upper 60s. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From noon Friday to 10 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Persistent Major to locally Extreme HeatRisk (risk of heat-related impacts) is anticipated through the duration of the event.
NWS

Excessive Heat Warning issued July 4 at 2:53AM PDT until July 11 at 10:00PM PDT by NWS Spokane WA

8 months 4 weeks ago
* WHAT...Dangerously hot conditions during the day with little relief overnight. Highs will be in the 90s to 100s. Overnight lows will be in 60s to low 70s. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...From noon Saturday to 10 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat.
NWS

Heat Advisory issued July 4 at 2:53AM PDT until July 11 at 10:00PM PDT by NWS Spokane WA

8 months 4 weeks ago
* WHAT...Dangerously hot conditions during the day for the valleys. Highs will be in the 90s. Overnight lows will be in 50s to low 60s. * WHERE...Flowery Trail Road, Metaline, Colville, Schweitzer Mountain Road, Sherman Pass, Boulder Creek Road, Bonners Ferry, Dobson Pass, Wallace, Orin-Rice Road, Tiger, Inchelium, Osburn, Sandpoint, Mullan, Chewelah, Fourth Of July Pass, St. Maries, Republic, Fernwood, Newport, Metaline Falls, Eastport, Fruitland, Deer Park, Pinehurst, Northport, Springdale-Hunters Road, Athol, Priest River, Clark Fork, Ione, Kellogg, Chesaw Road, Highway 20 Wauconda Summit, Lookout Pass, Kettle Falls, and Wauconda. * WHEN...From noon Sunday to 10 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.
NWS

Red Flag Warning issued July 4 at 2:25AM PDT until July 4 at 8:00AM PDT by NWS Medford OR

8 months 4 weeks ago
* IMPACTS...Any fires that develop will likely spread rapidly, even at night. Outdoor burning is banned. * AFFECTED AREA...Fire weather zone 619 and the western portion of fire weather zone 620. This includes the higher terrain of Curry, far southern Coos, and western Josephine counties, including the Kalmiopsis Wilderness. * WIND...Northeast 20 to 30 mph with gusts to 45 mph. * HUMIDITY...Poor recovery with the highest relative humidity values of 20 to 35% overnight. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr
NWS

Excessive Heat Warning issued July 4 at 1:43AM PDT until July 8 at 9:00PM PDT by NWS Medford OR

8 months 4 weeks ago
* WHAT...High temperatures between 105 to 110 with low temperatures in the mid to upper 60's expected over multiple days. * WHERE...Central Douglas County and Eastern Douglas County Foothills. This includes the cities of Roseburg, Toketee Falls, Sutherlin. * WHEN...From 8 AM this morning to 9 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. Area rivers will be cold and can cause shock to swimmers.
NWS

Heat Advisory issued July 4 at 1:43AM PDT until July 8 at 9:00PM PDT by NWS Medford OR

8 months 4 weeks ago
* WHAT...High temperatures of 95 to 100 degrees with lows in the upper 50's expected over multiple days. * WHERE...In California, Modoc County and northeast Siskiyou County. This includes the cities of Macdoel and Alturas. In Oregon, Lake County and eastern Klamath County. This includes the cities of Klamath Falls, Chemult, Summer Lake, and Lakeview * WHEN...From 8 AM this morning to 9 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. Area rivers will be cold and can cause shock to swimmers.
NWS

Excessive Heat Warning issued July 4 at 1:43AM PDT until July 8 at 9:00PM PDT by NWS Medford OR

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with high temperatures of 110 to 115 and low temperatures in the upper 60s expected over multiple days. * WHERE...In California, western and central Siskiyou County. This includes the cities of Yreka, Weed, Etna, and Happy Camp. In Oregon, Josephine and Jackson counties and eastern Curry County. This includes the entire Rogue Valley and the cities of Medford, Grants Pass, Cave Junction, and Butte Falls. * WHEN...From 8 AM this morning to 9 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. Area rivers will be cold and can cause shock to swimmers.
NWS

Excessive Heat Watch issued July 3 at 8:46PM MDT until July 10 at 6:00PM MDT by NWS Boise ID

8 months 4 weeks ago
* WHAT...Dangerously hot conditions with maximum temperatures up to 100-104 on Saturday gradually warming up to 105-110 by Wednesday. * WHERE...Portions of southwest Idaho and northeast and southeast Oregon. * WHEN...From Saturday afternoon through Wednesday afternoon. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Multiple daily max temperature records are being threatened by this heatwave. The longevity of the event makes this a particularly dangerous heat wave.
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