Expected

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 118 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 with high temperatures as hot as the mid 90s to 102 and low temperatures as warm as the 70s for Thursday through Saturday expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Monday. * 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 as hot as 100 to 110 for Thursday through Saturday and low temperatures as warm as the mid 70s to upper 80s for Friday and Saturday expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Thursday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Areas of major HeatRisk. Elevated low temperatures will limit overnight relief from the heat.

* WHAT...Dangerously hot conditions with high temperatures as hot as the upper 90s to 108 and low temperatures as warm as the low to mid 70s for Thursday through Saturday expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * 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 as hot as 113 to 119 and for Friday and Saturday and low temperatures as warm as the upper 80s to mid 90s for Thursday and Friday expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated

* WHAT...Moderate coastal flooding expected with up to 2 to 4 feet of inundation at high tide. * WHERE...In Louisiana, Lower St. Bernard, Southeast St. Tammany, Eastern Orleans and Lower Plaquemines Parishes. In Mississippi, Southern Hancock, Southern Harrison and Southern Jackson Counties. * WHEN...Until 4 AM CDT Thursday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.

* WHAT...Dangerously hot conditions with heat index values up to 120. * WHERE...Portions of north central and northwest Louisiana and east and northeast Texas. * WHEN...Until 8 PM CDT this evening. * 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. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with heat index values up to 114. * WHERE...Atoka, Coal, Johnston, Carter, and Stephens Counties. * WHEN...Until 8 PM CDT this evening. * 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.

* WHAT...Dangerously hot conditions with heat index values up to 114. * WHERE...Bryan, Marshall, Jefferson, and Love Counties. * WHEN...Until 8 PM CDT this evening. * 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.

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 8 PM CDT this evening. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.