Aggregator

* WHAT...Dangerously hot conditions. * WHERE...In Idaho, Lower Treasure Valley ID. In Oregon, Oregon Lower Treasure Valley. * WHEN...Until midnight MDT tonight. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...Hot conditions continuing. * WHERE...In Idaho, Upper Weiser River. In Oregon, Malheur County. * WHEN...Until midnight MDT /11 PM PDT/ tonight. * IMPACTS...Hot temperatures may cause heat illnesses to occur.

* WHAT...Hot conditions with temperatures of 95 to 105 degrees. This will pose a moderate risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast 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.

* WHAT...Hot conditions with temperatures of 95 to 105 degrees. This will pose a moderate risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast 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.

...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS OVER SOUTHEAST OREGON... ...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS VALLEY TODAY... Hot, dry, and unstable conditions continue with a slight chance of thunderstorms today primarily over the mountains of central Oregon. Meanwhile, breezy winds and low RHs are expected to produce critical fire weather conditions for the Columbia Basin and Kittitas Valley this afternoon and evening. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of sustained wind and low relative humidity will result in conditions conducive to rapid fire spread and extreme fire behavior.

...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS OVER SOUTHEAST OREGON... ...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS VALLEY TODAY... Hot, dry, and unstable conditions continue with a slight chance of thunderstorms today primarily over the mountains of central Oregon. Meanwhile, breezy winds and low RHs are expected to produce critical fire weather conditions for the Columbia Basin and Kittitas Valley this afternoon and evening. * AFFECTED AREA...Fire Weather Zone 642 Southern Blue and Strawberry Mountains. Thunderstorm potential is mainly from the Strawberry Mountains southward. * WINDS...West 5 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 10 percent. * TEMPERATURES...highs 90 to around 100. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. * HAINES...As high as 6.

...HOT, DRY, AND UNSTABLE WITH A SLIGHT CHANCE OF THUNDERSTORMS OVER SOUTHEAST OREGON... ...DRY AND BREEZY CONDITIONS IN THE COLUMBIA BASIN AND KITTITAS VALLEY TODAY... Hot, dry, and unstable conditions continue with a slight chance of thunderstorms today primarily over the mountains of central Oregon. Meanwhile, breezy winds and low RHs are expected to produce critical fire weather conditions for the Columbia Basin and Kittitas Valley this afternoon and evening. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of sustained wind and low relative humidity will result in conditions conducive to rapid fire spread and extreme fire behavior.

* IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...Eastern portions of FWZ 621, east of the Jackson/Josephine county border. * THUNDERSTORMS...Scattered thunderstorms are expected today. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...Storms will occur mainly during the afternoon and evening, with the greatest coverage expected this afternoon and this evening. Isolated thunderstorms are possible into this morning and again later tonight into Monday morning. Thunderstorms will trend wetter today, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

...FIRE WEATHER WATCH FOR MONDAY IS CANCELLED FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625... The National Weather Service in Medford has cancelled the Fire Weather Watch for Monday. * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...For the Red Flag Warning, all areas. * THUNDERSTORMS...Scattered thunderstorms are expected today. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...Storms will occur mainly during the afternoon and evening, with the greatest coverage expected this afternoon into this evening. Isolated thunderstorms are possible this morning and again tonight into Monday. Thunderstorms will trend wetter on Sunday, but remain a mix of wet and dry storms. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

...RED FLAG WARNING FOR WIND AND LOW HUMIDITY SUNDAY AFTERNOON AND EVENING ACROSS PARTS OF CENTRAL AND SOUTHERN WASHINGTON... * Affected Area: Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705), Fire Weather Zone 706 Waterville Plateau (Zone 706), Fire Weather Zone 707 Western Columbia Basin (Zone 707) and Fire Weather Zone 709 Lower Palouse -Snake River (Zone 709). * Winds: West 10 to 20 mph with gusts up to 35 mph. The winds will be strongest for the Western Columbia Basin in the late afternoon and evening hours. The winds will be strongest for the Lower Palouse Snake River area during the afternoon. * Relative Humidities: 8 to 18 percent. * Impacts: The combination of gusty winds, low relative humidity values, hot temperatures, and dried fuels could lead to rapid fire spread on existing or new fires.

* WHAT...Hot conditions during the day for the valleys. Highs 93 to 105. Overnight lows will be in the upper 50s and 60s. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Heat will 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 will continue on Sunday under the Heat Advisory. * WHERE...Baker County. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses to occur.

* WHAT...Dangerously hot conditions through Sunday, especially at lower elevations. * WHERE...In Idaho, Lower Treasure Valley ID. In Oregon, Oregon Lower Treasure Valley. * WHEN...Until midnight MDT Sunday night. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...Hot conditions will continue on Sunday under the Heat Advisory. * WHERE...In Idaho, Upper Weiser River. In Oregon, Malheur County. * WHEN...Until midnight MDT /11 PM PDT/ Sunday night. * IMPACTS...Hot temperatures may cause heat illnesses to occur.

* WHAT...Hot conditions with temperatures 95-105 degrees expected. This will pose a moderate to locally major risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 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.

* WHAT...Hot conditions with temperatures 95-105 degrees expected. This will pose a moderate to locally major risk of heat-related illness. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 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.

...Abundant lightning this evening and again on Sunday... * Thunderstorms...Isolated to scattered storms with little to no precipitation and abundant lightning are possible this evening and Sunday. * Outflow Winds...Up to 60 MPH possible. * Timing...Until midnight MDT /11 PM PDT/ Sunday night. * Thunderstorms...15 to 30 percent expected coverage. Greatest coverage will be across southern portions of the fire zones.

At 524 PM PDT, Doppler radar was tracking a strong thunderstorm near Blitzen, or 45 miles northwest of Denio, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This strong thunderstorm will be near... Blitzen around 530 PM PDT. Butler Hill around 540 PM PDT. Frenchglen and Page Springs Campground around 600 PM PDT.

At 450 PM PDT, Doppler radar was tracking a strong thunderstorm near Beatys Butte, or 36 miles north of Dufferena, moving north at 15 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of south central Harney County.

* WHAT...Hot conditions during the day for the valleys. Highs 93 to 105. Overnight lows will be in the upper 50s and 60s. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...Until 10 PM PDT Sunday. * IMPACTS...Heat will increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration.