Expected

* WHAT...Dangerously hot conditions with heat index values up to 115. * WHERE...Cowley, Harper, Sumner, Chautauqua, Elk, Labette, Montgomery, Neosho, and Wilson 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. Do not leave young children and pets in unattended vehicles. Car

* WHAT...For the Heat Advisory, heat index values up to 109. For the Extreme Heat Warning, dangerously hot conditions with high temperatures between 100 to 104 and heat index values up to 115 expected. * WHERE...Portions of south central and southeast Texas. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high

* WHAT...For the Heat Advisory, heat index values up to 113. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the Extreme Heat Warning, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Dangerously hot conditions with heat index values up to 113. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and northeast Texas. * WHEN...Until midnight CDT tonight. * 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...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110. For the Heat Advisory, heat index values up to 106 expected. * WHERE...Johnston, Marshall, Carter, and Love Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Heat Advisory, heat index values up to 109 expected. * WHERE...Atoka, Bryan, and Coal Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...McClain, Garvin, and Murray 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 110. * WHERE...Portions of central, east central, northern, northwest, and southeast Oklahoma. * 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 high temperatures of 112 to 117 and low temperatures in the mid 80s to mid 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated low temperatures will limit overnight relief from the heat.

* WHAT...Dangerously hot conditions with high temperatures 100 to 108 and low temperatures in the 70s and lower 80s. * 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. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.