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...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637... .The much-anticipated afternoon round of thunderstorms is developing and storms will continue to move northeast. Scattered lightning and wind gusts to 60 mph are expected. In addition, strong winds and low RH has developed across southern Burns and Vale BLM this afternoon. No changes were made to the warning this afternoon. Storms may continue past midnight across the northern part of the area, generally from Baker Valley east through the Payette and Northern Boise NF, and although unlikely, the warning may need to be extended in that area. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...Until midnight MDT /11 PM PDT/ tonight.

...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637... .The much-anticipated afternoon round of thunderstorms is developing and storms will continue to move northeast. Scattered lightning and wind gusts to 60 mph are expected. In addition, strong winds and low RH has developed across southern Burns and Vale BLM this afternoon. No changes were made to the warning this afternoon. Storms may continue past midnight across the northern part of the area, generally from Baker Valley east through the Payette and Northern Boise NF, and although unlikely, the warning may need to be extended in that area. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...Until 9 PM MDT /8 PM PDT/ this evening.

...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637 .Thunderstorms are already well underway, and more are expected today into tonight. This first round will continue to progress to the northeast into the early afternoon. A second round will develop this afternoon and then also move northeast through most of the area. Scattered lightning and wind gusts to 60 mph are expected. In addition, strong winds and low RH will develop across southern Burns and Vale BLM this afternoon. No changes were made to the warning this morning. Storms may continue past midnight across the northern part of the area, generally from Baker Valley east through the Payette and Northern Boise NF, and the warning may need to be extended in that area. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...Until midnight MDT /11 PM PDT/ tonight. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...Until midnight MDT /11 PM PDT/ tonight.

...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637 .Thunderstorms are already well underway, and more are expected today into tonight. This first round will continue to progress to the northeast into the early afternoon. A second round will develop this afternoon and then also move northeast through most of the area. Scattered lightning and wind gusts to 60 mph are expected. In addition, strong winds and low RH will develop across southern Burns and Vale BLM this afternoon. No changes were made to the warning this morning. Storms may continue past midnight across the northern part of the area, generally from Baker Valley east through the Payette and Northern Boise NF, and the warning may need to be extended in that area. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...Until 9 PM MDT /8 PM PDT/ this evening. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...Until 9 PM MDT /8 PM PDT/ this evening.

* IMPACTS...Strong winds combined with critically low relative humidity could lead to the rapid growth and spread of new and existing fires. Outdoor burning is banned during fire season. * AFFECTED AREA...In California, most of Fire Weather Zone (FWZ) 285 including the Modoc National Forest. In Oregon, southeast portion of FWZ 624 and much of FWZ 625. This includes the eastern portions of the Fremont Winema National Forest and areas south of Silver Lake. * WIND...Southwest 20 to 25 mph with gusts to 40 mph. Winds become west late in the afternoon. * HUMIDITY...9 to 14 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Hot conditions with temperatures up into the upper 90s to lower 100s expected. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, and Southeast Washington. * WHEN...Until 9 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 up into the mid to upper 90s expected. * WHERE...Clark Fork, Cheney, Chewelah, Kettle Falls, Priest River, Rockford, Bonners Ferry, Newport, Mullan, Flowery Trail Road, Downtown Spokane, Post Falls, Spokane Valley, Fairfield, Athol, Orin-Rice Road, Coeur d'Alene, Wallace, Davenport, Ione, Kellogg, St. Maries, Springdale-Hunters Road, Fruitland, Tiger, Lookout Pass, Osburn, Metaline, Schweitzer Mountain Road, Hayden, Fernwood, Sandpoint, Airway Heights, Deer Park, Metaline Falls, Fourth Of July Pass, Worley, Dobson Pass, Pinehurst, Eastport, Colville, and Northport. * WHEN...Until 9 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. * ADDITIONAL DETAILS...Warmest day over the Labor Day Holiday weekend is expected to be today.

The National Weather Service in Medford has upgraded the Fire Weather Watch to a Red Flag Warning, which is in effect from 11 AM to 8 PM PDT Monday. * AFFECTED AREA...In California, most of Fire Weather Zone (FWZ) 285 including the Modoc National Forest. In Oregon, southeast portion of FWZ 624 and much of FWZ 625. This includes the eastern portions of the Fremont Winema National Forest and areas south of Silver Lake. * WIND...Southwest 20 to 25 mph with gusts to 40 mph. Winds become west late in the afternoon. * HUMIDITY...9 to 14 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ MONDAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ MONDAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637 .An upper level system will bring two main rounds of showers and thunderstorms to the area Monday morning through Monday night. The first will develop with showers and isolated thunderstorms late tonight across eastern Oregon and move into SW Idaho Monday morning. The showers will progressively intensify and develop into scattered thunderstorms late Monday morning and this first area will move through and out of the Idaho districts through mid- afternoon. A second round will develop Monday afternoon and move across much of the area through Monday evening. After midnight, storms may continue across the far north, generally from Baker Valley east into the Payette and Northern Boise NF. Gusts to 60 mph are possible, especially with the second round. In addition, winds are low RH will be close to criteria in southeast Oregon Monday afternoon, and this contributes to the warning. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...From 9 AM MDT /8 AM PDT/ Monday to midnight MDT /11 PM PDT/ Monday night. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...From 9 AM MDT /8 AM PDT/ Monday to midnight MDT /11 PM PDT/ Monday night.

...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ MONDAY TO MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... ...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM MDT /8 PM PDT/ MONDAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER ZONES 636 AND 637 .An upper level system will bring two main rounds of showers and thunderstorms to the area Monday morning through Monday night. The first will develop with showers and isolated thunderstorms late tonight across eastern Oregon and move into SW Idaho Monday morning. The showers will progressively intensify and develop into scattered thunderstorms late Monday morning and this first area will move through and out of the Idaho districts through mid- afternoon. A second round will develop Monday afternoon and move across much of the area through Monday evening. After midnight, storms may continue across the far north, generally from Baker Valley east into the Payette and Northern Boise NF. Gusts to 60 mph are possible, especially with the second round. In addition, winds are low RH will be close to criteria in southeast Oregon Monday afternoon, and this contributes to the warning. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...From 9 AM MDT /8 AM PDT/ to 9 PM MDT /8 PM PDT/ Monday. * Thunderstorms...Scattered. * Outflow Winds...Gusts 40-60 mph. * Timing...From 9 AM MDT /8 AM PDT/ to 9 PM MDT /8 PM PDT/ Monday.

...FIRE WEATHER WATCH NOW IN EFFECT MONDAY MORNING INTO MONDAY EVENING FOR A COMBINATION OF LIGHTNING AND WIND/RH FOR FIRE WEATHER ZONES 636 AND 637... ...FIRE WEATHER WATCH NOW IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... .An upper level system will bring two rounds of showers and thunderstorms with the potential for scattered lightning to the region from Monday morning through Monday evening. Isolated storms will also be seen this afternoon/evening (before the watch takes effect) south of the Snake River in Idaho and in SE Oregon. All these storms will have gusts potential to 50 mph. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...From Monday morning through Monday evening.

...FIRE WEATHER WATCH NOW IN EFFECT MONDAY MORNING INTO MONDAY EVENING FOR A COMBINATION OF LIGHTNING AND WIND/RH FOR FIRE WEATHER ZONES 636 AND 637... ...FIRE WEATHER WATCH NOW IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR LIGHTNING FOR FIRE WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND 646... .An upper level system will bring two rounds of showers and thunderstorms with the potential for scattered lightning to the region from Monday morning through Monday evening. Isolated storms will also be seen this afternoon/evening (before the watch takes effect) south of the Snake River in Idaho and in SE Oregon. All these storms will have gusts potential to 50 mph. * Thunderstorms...Scattered storms likely. * Outflow Winds...50 mph. * Timing...From Monday morning through Monday evening.

* WHAT...Hot conditions with temperatures up into the upper 90s to lower 100s expected. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, and Southeast Washington. * WHEN...Until 9 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 up into the mid to upper 90s expected. * WHERE...Athol, Newport, Worley, Wallace, Kettle Falls, Rockford, Mullan, Fruitland, Fernwood, Dobson Pass, Chewelah, Springdale-Hunters Road, Cheney, Colville, Tiger, Schweitzer Mountain Road, Bonners Ferry, Spokane Valley, St. Maries, Coeur d'Alene, Clark Fork, Deer Park, Metaline Falls, Downtown Spokane, Metaline, Sandpoint, Post Falls, Priest River, Pinehurst, Fairfield, Fourth Of July Pass, Kellogg, Osburn, Flowery Trail Road, Hayden, Lookout Pass, Northport, Orin-Rice Road, Ione, Davenport, Airway Heights, and Eastport. * WHEN...Until 9 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. * ADDITIONAL DETAILS...Warmest day over the Labor Day Holiday weekend is expected to be today.

* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 15-20 percent. * TEMPERATURES...Up to 85. * HAINES...Mid-level Haines 6. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

* WHAT...Hot conditions with temperatures up to 95 degrees expected. This will pose a moderate risk of heat-related illness. * WHERE...In Oregon, Southern Blue Mountains of Oregon. In Washington, Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 9 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 100 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 9 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 up to 95 degrees expected. This will pose a moderate risk of heat-related illness. * WHERE...In Oregon, Southern Blue Mountains of Oregon. In Washington, Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 9 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 100 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 9 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.

* IMPACTS...Strong winds combined with critically low relative humidity can lead to the rapid growth and spread of new and existing fires. Outdoor burning is banned during fire season. * AFFECTED AREA...In California, most of Fire Weather Zone (FWZ) 285 including the Modoc National Forest. In Oregon, southeast portion of FWZ 624 and much of FWZ 625. This includes the eastern portions of the Fremont Winema National Forest and areas south of Silver Lake. * WIND...Southwest 20 to 25 mph with gusts to 35 mph. Winds become west late in the afternoon. * HUMIDITY...9 to 14 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr