Expected

* WHAT...Dangerously hot conditions with temperatures of 95 to 110 expected. * WHERE...A large portion of southwest California including the coastal ranges and adjacent foothills, as well as the coastal valleys. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...For the Heat Advisory, hot temperatures of 90 to 100 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures of 95 to 105 expected. * WHERE...Interstate 5 Corridor and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...For the Heat Advisory, until 10 AM PDT Friday. For the Extreme Heat Warning, from 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat hazards may extend into next week for portions of the region.

* WHAT...Dangerously hot conditions with temperatures of 105 to 115 expected. * WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region. 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 temperatures around 107 to 114 expected below 4000 feet. * WHERE...Northern Gila and Yavapai counties below 4000 feet; including the Verde Valley and Black Canyon City. * WHEN...From 10 AM Friday to 8 PM MST Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 expected. * WHERE...Marble Canyon, Glen Canyon, and Oak Creek Canyon; including Page and Sedona. * WHEN...From 10 AM MST /11 AM MDT/ Friday to 8 PM MST /9 PM MDT/ Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 104 to 109 degrees at Havasupai Gardens, and 112 to 117 degrees at Phantom Ranch. * WHERE...northern Gila and Yavapai counties below 4000 feet; including the Verde Valley and Black Canyon City. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 9 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and

* WHAT...Dangerously hot conditions with heat index values up to 112 expected. * WHERE...Portions of west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 9 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Big Stone County in west central Minnesota... Southwestern Traverse County in west central Minnesota... Northeastern Day County in northeastern South Dakota... Southeastern Marshall County in northeastern South Dakota... Southwestern Roberts County in northeastern South Dakota... * WHEN...Until 915 AM CDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 100 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 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.