Expected

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 117 degrees. Major Heat Risk. * WHERE...Portions of South-central Arizona. * WHEN...From 10 AM this morning to 8 PM MST Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more.

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 118 degrees. Major Heat Risk. * WHERE...In Arizona, La Paz and Southeast Yuma counties. In California, Joshua Tree National Park. * WHEN...From 10 AM MST /10 AM PDT/ this morning to 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 119 degrees. Major to Extreme Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...Until 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. An Extreme Heat Warning means that a period of very hot temperatures,

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 118 degrees. Major Heat Risk. * WHERE...South central Arizona, including the Phoenix metropolitan area. * WHEN...From 10 AM this morning to 8 PM MST Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 112 degrees. Major Heat Risk. * WHERE...Globe/Miami, San Carlos, and Tonto Basin. * WHEN...From 10 AM Friday to 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke An Extreme Heat Warning means that a period of very hot temperatures,

* WHAT...Dangerously hot conditions with temperatures of 105 to 112 degrees expected with Major HeatRisk. * WHERE...Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...From 10 AM Friday to 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Warm overnight low temperatures of 82-88 degrees will provide little to no relief from heat overnight.

* WHAT...Dangerously hot conditions with temperatures of 100 to 105 expected with Major HeatRisk. * WHERE...Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...From 10 AM Friday to 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

...SCATTERED THUNDERSTORMS ON THURSDAY ACROSS FAR EASTERN OREGON... ...HOT, DRY, AND WINDY FRIDAY AND SATURDAY... .Scattered thunderstorms are expected to develop across far eastern Oregon on Thursday. Storms will be capable of frequent lightning, gusty outflow winds, and only sporadic wetting rains. While the thunderstorm threat will end by Friday and Saturday, hot, dry, and windy conditions will develop, primarily across southeast Oregon and the higher terrain of southwest Idaho. The

...The upper level low offshore will shift to the east just enough to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of isolated to scattered thunderstorms across central Oregon and portions of the eastern mountains. Brief heavy downpours, gusty outflow winds, small hail, and frequent lightning will be possible... * AFFECTED AREA...Fire Weather Zone 698 Southern Blue Mountains. * TIMING...From 11 AM to 8 PM PDT Thursday.

...The upper level low offshore will shift to the east just enough to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of isolated to scattered thunderstorms across central Oregon and portions of the eastern mountains. Brief heavy downpours, gusty outflow winds, small hail, and frequent lightning will be possible... * AFFECTED AREA...Fire Weather Zones 694 Grande Ronde Valley of