Aggregator

* IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is banned during fire season. * AFFECTED AREA...For southern portions of the Fremont-Winema National Forest in Oregon fire zone 624 and northern portions of the Modoc National Forest in California fire zone 285. * WIND...Southwest 15 to 20 mph gusting 25 to 35 mph. * HUMIDITY...8 to 12 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...For the Excessive Heat Warning, dangerously hot conditions through Saturday. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Baker County. * WHEN...For the Excessive Heat Warning, until 11 PM PDT Saturday. For the Excessive Heat Watch, from Saturday 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 Heat Advisory, hot conditions through Saturday, especially across lower elevations. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the Heat Advisory, until midnight MDT /11 PM PDT/ Saturday night. For the Excessive Heat Watch, from late Saturday 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 through Saturday, especially across lower elevations. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Excessive Heat Warning, until midnight MDT /11 PM PDT/ Saturday night. For the Excessive Heat Watch, from late Saturday 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 through Saturday. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Baker County. * WHEN...For the Excessive Heat Warning, until 11 PM PDT Saturday. For the Excessive Heat Watch, from Saturday 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 Heat Advisory, hot conditions through Saturday, especially across lower elevations. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the Heat Advisory, until midnight MDT /11 PM PDT/ Saturday night. For the Excessive Heat Watch, from late Saturday 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 through Saturday, especially across lower elevations. For the Excessive Heat Watch, dangerously hot conditions are possible. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Excessive Heat Warning, until midnight MDT /11 PM PDT/ Saturday night. For the Excessive Heat Watch, from late Saturday 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.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 16 percent. * IMPACTS...Breezy conditions combined with low RHs will result in rapid fire spread and extreme fire behavior.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin. * WINDS...West 10 to 20 mph with gusts up to 35 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.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 639 East Slopes of the Northern Oregon Cascades. * TIMING...Through this Thursday morning. * WINDS...West 5 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURES...Up to 75. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. Breezy conditions may also lead to rapid fire spread. * HAINES...As high as 5.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin. * WINDS...West 10 to 20 mph with gusts up to 35 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.

* WHAT...High temperatures of 95 to 102 degrees with lows in the mid to upper 50s expected. * WHERE...In California, Modoc County and eastern Siskiyou County. This includes the cities and communities of Macdoel, Tulelake, Pondosa, Bray, Tennant, Dorris, Tionesta, Alturas, and Adin. In Oregon, Klamath and Lake counties. This includes the cities of Klamath Falls, Chemult, Summer Lake, Chiloquin, Malin, Keno, Sprague River, and Lakeview. * WHEN...Until 9 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. Area rivers will be cold and can cause shock to swimmers.

* WHAT...High temperatures of 95 to 105 degrees and lows of 55 to 65 are expected. * WHERE...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...Until 9 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Area rivers will be cold and can cause shock to swimmers.

* WHAT...High temperatures of 95 to 102 degrees with lows in the mid to upper 50s expected. * WHERE...In California, Modoc County and eastern Siskiyou County. This includes the cities and communities of Macdoel, Tulelake, Pondosa, Bray, Tennant, Dorris, Tionesta, Alturas, and Adin. In Oregon, Klamath and Lake counties. This includes the cities of Klamath Falls, Chemult, Summer Lake, Chiloquin, Malin, Keno, Sprague River, and Lakeview. * WHEN...Until 9 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. Area rivers will be cold and can cause shock to swimmers.

* WHAT...For the Excessive Heat Warning, extremely hot temperatures will continue this evening. For the Heat Advisory, highs of 95 to 105 degrees and lows of 55 to 65 are expected. * WHERE...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...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, from 10 PM this evening to 9 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Area rivers will be cold and can cause shock to swimmers.

* WHAT...For the Excessive Heat Warning, extremely hot temperatures will continue this evening. For the Heat Advisory, highs of 95 to 105 degrees and lows of 55 to 65 are expected. * WHERE...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...For the Excessive Heat Warning, until 9 PM PDT this evening. For the Heat Advisory, from 10 PM this evening to 9 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Area rivers will be cold and can cause shock to swimmers.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Breezy conditions combined with low RHs will result in rapid fire spread and extreme fire behavior.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 642 Southern Blue and Strawberry Mountains, 643 Northern Blue Mountains of Oregon, 644 Central Blue Mountains, 645 Wallowa District, 692 Blue Mountains of Washington and 693 Southeast Washington Grande Ronde Valley. * TIMING...through this evening. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 98. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. * HAINES...As high as 6.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin. * WINDS...West 10 to 20 mph with gusts up to 30 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.

...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS THROUGH THURSDAY... .The high pressure driving this ongoing heat wave will begin to weaken today, but will result in breezy and unstable conditions through at least Thursday. Even as temperatures cool down slightly over the coming days, relative humidities will remain very low in the teens and single digits. This, combined with incoming breezy conditions through the Cascade Gaps and spreading into the Basin, will result in critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 642 Southern Blue and Strawberry Mountains, 643 Northern Blue Mountains of Oregon, 644 Central Blue Mountains, 645 Wallowa District, 692 Blue Mountains of Washington and 693 Southeast Washington Grande Ronde Valley. * TIMING...through this evening. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 98. * IMPACTS...Any new and existing fires have a strong potential for extreme fire behavior. * HAINES...As high as 6.