Expected

A dry cold front will push toward and through the area Friday and Saturday, bringing breezy west to southwesterly winds. Winds will be strongest near the Cascades and Western Columbia Basin. Wind speeds on Friday and Saturday will be similar, though winds on Saturday becoming more widespread in the eastern Columbia Basin. Combined with low afternoon relative humidity values, poor to fair humidity recoveries at night, hot temperatures and dry

* WHAT...Dangerously hot conditions with temperatures of 100 to 109 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures of 108 to 114 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...High temperatures 100 to 103 degrees in the valleys each afternoon. Low temperatures 60 to 65 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...Humboldt County. * WHEN...For the Heat Advisory, until 6 AM PDT Friday. For the Extreme Heat Warning, from 6 AM to 11 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat.

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 62 to 70 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...Northern Lander and Northern Eureka, Southern Lander and Southern Eureka, Southwest Elko, Northeastern Nye, and Northwestern Nye Counties. * WHEN...For the Heat Advisory, until 6 AM PDT Friday. For the

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 73 to 78 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...South Central Elko and Southeastern Elko Counties. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. Take extra precautions when outside. Wear lightweight and loose

...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PALOUSE/HELLS CANYON... ...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST LOLO, BITTERROOT, DEERLODGE/WEST BEAVERHEAD, AND EAST BEAVERHEAD... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR WEST LOLO AND FLATHEAD RESERVATION... ...

...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PALOUSE/HELLS CANYON... ...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST LOLO, BITTERROOT, DEERLODGE/WEST BEAVERHEAD, AND EAST BEAVERHEAD... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR WEST LOLO AND FLATHEAD RESERVATION... ...

...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PALOUSE/HELLS CANYON... ...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST LOLO, BITTERROOT, DEERLODGE/WEST BEAVERHEAD, AND EAST BEAVERHEAD... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR WEST LOLO AND FLATHEAD RESERVATION... ...

...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PALOUSE/HELLS CANYON... ...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST LOLO, BITTERROOT, DEERLODGE/WEST BEAVERHEAD, AND EAST BEAVERHEAD... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR WEST LOLO AND FLATHEAD RESERVATION... ...