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* WHAT...West winds 20 to 30 mph with gusts of 40 to 50 mph expected. * WHERE...Eastern Columbia River Gorge of Oregon and Washington. * WHEN...From 2 PM this afternoon to midnight PDT tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Hot conditions with temperatures up to 100 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of 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...West winds 20 to 30 mph with gusts of 40 to 50 mph expected. * WHERE...Eastern Columbia River Gorge of Oregon and Washington. * WHEN...From 2 PM this afternoon to midnight PDT tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Hot conditions with temperatures up to 100 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of 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 up to 98 degrees. This will pose a moderate risk of heat-related illness. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 8 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.

Jackson County Public Health has issued an air quality advisory for Jackson County through Monday due to numerous wildfires burning in the region. The wildfire smoke combined with forecast conditions will cause air quality levels to fluctuate and could be at unhealthy levels. Depending on weather patterns and fire activity, air quality could be impacted for longer. Smoke levels can change rapidly depending on the weather. Smoke can irritate the eyes and lungs and worsen some medical conditions. People most at risk include infants and young children, people with heart or lung disease, older adults and pregnant people. People can take the following precautions to protect their health: - Follow local burn restrictions to prevent deteriorating air quality. - Avoid strenuous outdoor activity during periods of poor air quality. - People with heart or lung problems and young children are especially vulnerable. These people should stay indoors while smoke levels are high. - Use certified High Efficiency Particulate Air (HEPA) filters in indoor heating, ventilation, cooling and air purification systems. - Avoid using wood-burning stoves and other sources of indoor smoke if possible. DEQs color-coded Air Quality Index provides current air quality conditions and ranks air quality as follows: Green is good. Yellow is moderate. Orange is unhealthy for sensitive groups such as children, the elderly, pregnant women and those with respiratory conditions. Red is unhealthy for everyone. Purple is very unhealthy for all groups. Maroon is hazardous. For additional information...please visit the web site at https://oregonsmoke.org

The Oregon Department of Environmental Quality issued an air quality advisory for Klamath and northern Lake counties due to numerous wildfires burning in the region. The wildfire smoke combined with forecast conditions will cause air quality levels to fluctuate and could be at unhealthy levels. Smoke levels can change rapidly depending on the weather. Smoke can irritate the eyes and lungs and worsen some medical conditions. People most at risk include infants and young children, people with heart or lung disease, older adults and pregnant people. People can take the following precautions to protect their health: - Follow local burn restrictions to prevent deteriorating air quality. - Avoid strenuous outdoor activity during periods of poor air quality. - People with heart or lung problems and young children are especially vulnerable. These people should stay indoors while smoke levels are high. - Use certified High Efficiency Particulate Air (HEPA) filters in indoor heating, ventilation, cooling and air purification systems. - Avoid using wood-burning stoves and other sources of indoor smoke if possible. DEQs color-coded Air Quality Index provides current air quality conditions and ranks air quality as follows: Green is good. Yellow is moderate. Orange is unhealthy for sensitive groups such as children, the elderly, pregnant women and those with respiratory conditions. Red is unhealthy for everyone. Purple is very unhealthy for all groups. Maroon is hazardous. For additional information...please visit the web site at https://oregonsmoke.org

...ABUNDANT LIGHTNING WITH STRONG OUTFLOW WINDS AGAIN THIS AFTERNOON... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon MDT /11 AM PDT/ today to midnight MDT /11 PM PDT/ tonight. The Fire Weather Watch is no longer in effect. * Thunderstorms...Scattered thunderstorms, especially near the Nevada border. * Outflow Winds...Outflow winds around 45-55 mph could extend far from the base of the storm. * Timing...From noon MDT /11 AM PDT/ today to midnight MDT /11 PM PDT/ tonight.

* Affected Area: Fire Weather Zone 696 East Washington Central Cascades (Zone 696), Fire Weather Zone 697 East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), Fire Weather Zone 698 East Washington North Cascades (Zone 698), Fire Weather Zone 704 Methow Valley (Zone 704) and Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705). * Winds: West 15 to 20 mph with gusts of 30 mph or more. Be prepared for the arrival of a dry cold front between 4 PM and 6 PM. * Relative Humidities: 15 to 25 percent in the valleys and 25 to 35 percent over the higher terrain. * Lightning: There is a 10 percent chance of thunderstorms over Chelan county prior to 9 AM. There is a 10 percent chance of thunderstorms across western and central Okanogan county between 6 AM and 11 AM followed by additional isolated lightning between 2 PM and 5 PM. * Impacts: Isolated thunderstorms will bring the risk for new fire starts and gusty and erratic outflow winds. Rapid fire spread with any new or existing fires due to gusty winds Monday afternoon and evening.

* Affected Area: Fire Weather Zone 703 Okanogan Valley (Zone 703). * Winds: South 15 to 20 mph with gusts up to 30 mph. * Relative Humidities: 12 to 20 percent. * Lightning: There is 10% chance for thunderstorms over western and central Okanogan county between 6 AM and 11 AM followed by additional isolated lightning between 2 PM and 5 PM. Gusty outflow winds up to 35 mph possible. * Impacts: Rapid fire spread with any new or existing fires due to gusty winds. Isolated thunderstorms will bring the risk for new fire starts and gusty and erratic outflow winds.

...ABUNDANT LIGHTNING POSSIBLE AGAIN TODAY... * Thunderstorms...Isolated to scattered. * Outflow Winds...Gusts up to 45-55 mph. * Timing...From noon MDT /11 AM PDT/ today through this evening.

* WHAT...Dangerously hot conditions with temperatures 104 to 108 at low elevations. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...Until 9 PM MDT /8 PM PDT/ Wednesday. * IMPACTS...Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

* WHAT...Temperatures 100 to 103 in lowest elevations. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MDT /8 PM PDT/ Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses to occur.

* WHAT...Hot conditions with temperatures up to 100 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of 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 up to 100 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of 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 up to 98 degrees. This will pose a moderate risk of heat-related illness. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 8 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...High temperatures 95 to 105 this afternoon. * WHERE...Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Today won't be as hot as it was Sunday, but the risk of heat related illnesses remains high for those without access to air conditioning. Exposure to hot weather day after day increases the potential for heat stress.

...ABUNDANT LIGHTNING POSSIBLE AGAIN MONDAY... * Thunderstorms...Scattered thunderstorms and abundant lightning this afternoon and evening. Best chance is in all of Burns and southern and western Vale BLM. Storms will not be as dry as in recent days, with cores most likely having wetting rains. However, lightning outside of cores will pose significant concerns. Isolated to scattered thunderstorms are expected again Monday afternoon and evening. * Outflow Winds...Up to 55 mph. * Timing...From Monday afternoon through Monday evening.

* WHAT...Dangerously hot conditions with temperatures up to 104 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...Until 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.

* WHAT...Dangerously hot conditions with temperatures up to 104 degrees. This will pose a major risk of heat-related illness. * WHERE...Lower Columbia Basin of Oregon and Washington, Grande Ronde Valley, Wallowa County, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...Until 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.