NOAA Current Watches-OR

* WHAT...Hot conditions. Afternoon high temperatures of 95 to 105 degrees accompanied by overnight low temperatures in the lower 60s to mid-70s. This will pose a moderate to locally major risk of heat-related illness. * WHERE...Eastern Columbia River Gorge of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, and Foothills of the Blue Mountains of Washington. * WHEN...Until 10 PM PDT Wednesday. * 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.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley, 691 Lower Columbia Basin, 694 Yakama Alpine District and 695 East Washington South Central Cascade Mountains. * TIMING...11 PM through 5 PM. * WINDS...North 5 to 10 mph. * RELATIVE HUMIDITY...As low as 13 percent. * TEMPERATURES...Up to 101. * IMPACTS...Any new fire starts will exhibit extreme fire behavior. Current fire on landscape will also exhibit extreme fire behavior. * HAINES...As high as 6. * THUNDERSTORMS...Isolated to scattered thunderstorms are possible. * OUTFLOW WINDS...35 to 40 mph.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades and 640 Central Mountains of Oregon. * IMPACTS...Any lightning strikes combined with hot and dry conditions could cause new fire starts. * THUNDERSTORMS...Isolated to scattered dry thunderstorms are possible. * OUTFLOW WINDS...35 to 40 mph.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zone 642 Southern Blue and Strawberry Mountains. * TIMING...Until 11 PM. * WINDS...South 5 mph or less. * RELATIVE HUMIDITY...As low as 11 percent. * TEMPERATURES...Up to 93. * IMPACTS...Any new fire starts will exhibit extreme fire behavior. Current fire on landscape will also exhibit extreme fire behavior. * HAINES...As high as 6.

* WHAT...Daytime temperatures between 95 to 100 expected. Overnight lows between 65 to 70 will limit chances to recover from the heat Tuesday night. * WHERE...In Oregon, Central Columbia River Gorge I-84 Corridor, East Portland Metro, Inner Portland Metro, and West Columbia River Gorge I-84 Corridor. In Washington, Central Columbia River Gorge SR 14 Corridor, East Clark County Lowlands, Inner Vancouver Metro, and West Columbia River Gorge SR 14 Corridor. * WHEN...Until 8 AM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of Oregon, 690 Kittitas Valley, 691 Lower Columbia Basin, 694 Yakama Alpine District and 695 East Washington South Central Cascade Mountains. * TIMING...2 PM through 11 PM. * WINDS...North 5 to 10 mph. * RELATIVE HUMIDITY...As low as 13 percent. * TEMPERATURES...Up to 101. * IMPACTS...Any new fire starts will exhibit extreme fire behavior. Current fire on landscape will also exhibit extreme fire behavior. * HAINES...As high as 6. * THUNDERSTORMS...Isolated to scattered thunderstorms are possible. * OUTFLOW WINDS...35 to 40 mph.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades and 640 Central Mountains of Oregon. * IMPACTS...Any lightning strikes combined with hot and dry conditions could cause new fire starts. * THUNDERSTORMS...Isolated to scattered dry thunderstorms are possible. * OUTFLOW WINDS...35 to 40 mph.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zone 642 Southern Blue and Strawberry Mountains. * TIMING...2 PM through 11 PM. * WINDS...South 5 mph or less. * RELATIVE HUMIDITY...As low as 11 percent. * TEMPERATURES...Up to 93. * IMPACTS...Any new fire starts will exhibit extreme fire behavior. Current fire on landscape will also exhibit extreme fire behavior. * HAINES...As high as 6.

...SCATTERED THUNDERSTORMS THROUGH THIS EVENING FOR ZONE 636, AND WEDNESDAY AFTERNOON AND EARLY EVENING FOR ZONE 426... * Thunderstorms...Scattered coverage with little to no rainfall expected. * Outflow Winds...Up to 60 mph possible. * Timing...Until 11 PM PDT this evening.

The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which is in effect from 5 PM this afternoon to 8 AM PDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and Central Willamette Valley, Fire Weather Zone 686 Northern Oregon Cascade Foothills and Fire Weather Zone 688 Mt. Hood National Forest Region. * THUNDERSTORMS...Isolated to scattered thunderstorms. * IMPACTS...Lightning and critically dry fuels may result in numerous fire starts. * OUTFLOW WINDS...There is a 10% chance for wind gusts in excess of 50 mph from the strongest storms through this evening. * IMPACTS...Frequent lightning and critically dry fuels may result in numerous fire starts. Thunderstorm outflow winds may result in erratic fire spread.

The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which is in effect until 5 AM PDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern Willamette Valley, Fire Weather Zone 687 Central Oregon Cascade Foothills, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. * IMPACTS...Lightning and critically dry fuels may result in numerous fire starts. Thunderstorm outflow winds may result in erratic fire spread. * OUTFLOW WINDS...There is a 10% chance for wind gusts in excess of 50 mph from the strongest storms through this evening. * IMPACTS...Frequent lightning and critically dry fuels may result in numerous fire starts. Thunderstorm outflow winds may result in erratic fire spread.

* WHAT...Dangerously hot conditions with high temperatures up to 110 possible at low elevations. Hottest days Sunday and Monday. * WHERE...Portions of south central, southwest and west central Idaho and southeast Oregon. * WHEN...From Thursday afternoon through Tuesday evening. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...High concentration of smoke particulates from wildfires in Oregon and northern California. * WHERE...Baker, Harney, and Malheur Counties. * WHEN...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY. * IMPACTS...Smoke can irritate the eyes, lungs and worsen some medical conditions. People most at risk to adverse health effects include infants, young children, people with heart or lung disease, older adults, and pregnant women. * ADDITIONAL DETAILS...Smoke levels can change rapidly depending on weather. Check current conditions on the Oregon Smoke Information Blog, DEQ's Air Quality Index, or by downloading the free OregonAIR app on your smartphone.

The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM this afternoon to 11 PM PDT this evening. * AFFECTED AREA...Douglas county east of I-5. Also, northern and eastern portions of Modoc County. * THUNDERSTORMS...Isolated to scattered thunderstorms (10 to 30 percent chance) . * OUTFLOW WINDS...Gusts 40 to 50 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* AFFECTED AREA...Significant portions of fire weather zones 617,623, 624, and 625, roughly along and north of a line from Lakeview to Crater Lake. * THUNDERSTORMS...Isolated to scattered thunderstorms are possible Tuesday. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 40 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* IMPACTS...Strong, gusty winds and critically dry humidities will allow for new and existing fires to grow rapidly out of control. Outdoor burning is banned during fire season. * AFFECTED AREA...The southeastern portion of Zone 622 which includes the Rogue Valley and the Salt Creek Fire. * WIND...South 15 to 20 mph with gusts 25 to 30 mph. Winds shift to the west to northwest around 1700 local time. * HUMIDITY...10 to 15 percent. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr * ADDITIONAL DETAILS...Isolated lightning (10 to 20 percent chance) is also expected mainly over the northern portion of the zone which will contribute to the fire weather threat.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades and 640 Central Mountains of Oregon. * IMPACTS...Any lightning strikes combined with hot and dry conditions could cause new fire starts. * THUNDERSTORMS...Isolated to scattered dry thunderstorms are possible.

...ISOLATED THUNDERSTORMS AND DRY, UNSTABLE CONDITIONS THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. The National Weather Service in Pendleton has issued a Red Flag Warning for dry and unstable conditions, which is in effect from 2 PM this afternoon to 11 PM PDT this evening. * AFFECTED AREA...Fire Weather Zone 642 Southern Blue and Strawberry Mountains. * TIMING...2 PM through 11 PM. * WINDS...South 5 mph or less. * RELATIVE HUMIDITY...As low as 11 percent. * TEMPERATURES...Up to 93. * IMPACTS...Any new fire starts will exhibit extreme fire behavior. Current fire on landscape will also exhibit extreme fire behavior. * HAINES...As high as 6.

...Abundant lightning for Burns BLM this afternoon and evening... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM this afternoon to 11 PM PDT this evening. * Thunderstorms...Scattered coverage with little to no rainfall expected. * Outflow Winds...Up to 60 mph possible. * Timing...From 2 PM this afternoon to 11 PM PDT this evening.

...ISOLATED THUNDERSTORM CHANCES THIS AFTERNOON, OVERNIGHT, AND WEDNESDAY... A low pressure system will move north-northeastward into the Pacific Northwest late today through Wednesday night. This system will provide enough moisture and elevated instability for high- based showers and isolated thunderstorms to develop late this afternoon, overnight, and Wednesday. * AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central Oregon Cascades, 611 Deschutes National Forest -minus Sisters Ranger District, 639 East Slopes of the Northern Oregon Cascades and 640 Central Mountains of Oregon. * IMPACTS...Any lightning strikes combined with hot and dry conditions could cause new fire starts. * THUNDERSTORMS...Isolated to scattered dry thunderstorms are possible.