Expected

* WHAT...Dangerously hot conditions with high temperatures in the mid to upper 90s expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * 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 in the mid 90s to low 100s expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * 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 several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112 degrees. Overnight lows will range from 75-80 degrees. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Dangerously hot conditions with temperatures 101 to 106 in Santa Cruz and Cochise counties and 107 to 112 elsewhere. Major to Extreme HeatRisk is expected. * WHERE...Eastern Cochise County below 5000 feet, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...Until 8 PM MST Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

* AFFECTED AREA...Fire Weather Zone 481 Western Ashley National Forest, Fire Weather Zone 482 Western Uintah Basin, Fire Weather Zone 483 Southern Ashley National Forest and Fire Weather Zone 484 Tavaputs Plateau. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent lower elevations, 10 to 15 percent higher elevations. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

* AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains, Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 492 Central Utah West Desert, Fire Weather Zone 493 Central Utah Mountains, Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 496 Color Country Mountains, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...5 to 10 percent lower elevations, 10 to 15

The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 10 PM MDT Monday. * AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions

* Affected Area...Fire Weather Zone 470 Eastern Elko County. * Winds...West to northwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 6 percent. * Impacts...The combination of gusty winds and low humidity will create critical fire weather conditions. A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Eastern Glacier, Western Toole, and Central Pondera. * WHEN...Until noon MDT today. * IMPACTS...Damaging winds will blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Hot temperatures may cause heat illnesses. People are urged to secure loose objects that could be blown around or damaged by the wind.