Expected

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of south central, southeast, and southwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. For the Heat Advisory tomorrow, heat index values in excess of 105 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, and northwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Heat Advisory tomorrow, from 10 AM to 8 PM CDT Wednesday.

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions with heat index values in excess of 110 degrees expected, as high as 115 to 120 degrees. * WHERE...Portions of south central, southeast, and southwest Mississippi. * WHEN...For the Extreme Heat Warning today, until 9 PM CDT this evening. For the Extreme Heat Warning tomorrow, from 10 AM to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...Southwest Arizona and southeast California. * WHEN...From 10 AM MST /10 AM PDT/ Wednesday 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. An Extreme Heat Warning means that a period of very hot temperatures,

* WHAT...Dangerously hot conditions possible. Afternoon temperatures 110 to 115. Major Heat Risk. * WHERE...South central Arizona, including the Phoenix metro. * WHEN...From 10 AM Thursday 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 possible. Afternoon temperatures 108 to 116. Major Heat Risk. * WHERE...In Arizona, Central La Paz, Gila River Valley, Kofa, and Southeast Yuma County. In California, Joshua Tree National Park. * WHEN...From 10 AM MST /10 AM PDT/ Thursday 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 possible. Afternoon temperatures 105 to 115. Major Heat Risk. * WHERE...Portions of South-central Arizona. * WHEN...From 10 AM Thursday 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.