Moderate

Possible threat to life or property

Florida Moderate Heat Advisory | Effective 08/20/2026 09:30

* WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...A portion of northeast Florida. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Florida Moderate Heat Advisory | Effective 08/20/2026 09:30

* WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...A portion of northeast Florida. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 7 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Arkansas, Mississippi Moderate Heat Advisory | Effective 08/20/2026 09:34

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 109 expected. * WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

Arkansas, Mississippi Moderate Heat Advisory | Effective 08/20/2026 09:34

* WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 109 expected. * WHERE...In Arkansas, Lee AR and Phillips Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of

Texas Moderate Heat Advisory | Effective 08/20/2026 09:16

* WHAT...Afternoon highs of 105 to 109 expected. * WHERE...Callahan, Fisher, Haskell, Jones, Nolan, Shackelford, Taylor, and Throckmorton Counties. * WHEN...Until 7 PM CDT this evening, and then from 1 PM to 7 PM CDT on Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory means that hot weather conditions are occurring or expected. This will create a situation in which heat illnesses are possible. Never, ever, leave children or pets alone in enclosed vehicles, not

Texas Moderate Heat Advisory | Effective 08/20/2026 09:16

* WHAT...Afternoon highs of 105 to 109 expected. * WHERE...Callahan, Fisher, Haskell, Jones, Nolan, Shackelford, Taylor, and Throckmorton Counties. * WHEN...Until 7 PM CDT this evening, and then from 1 PM to 7 PM CDT on Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory means that hot weather conditions are occurring or expected. This will create a situation in which heat illnesses are possible. Never, ever, leave children or pets alone in enclosed vehicles, not

Texas Moderate Heat Advisory | Effective 08/20/2026 09:16

* WHAT...Afternoon highs of 103 to 106 expected. * WHERE...Brown, Coke, Coleman, Concho, McCulloch, Runnels, San Saba, Sterling, and Tom Green Counties. * WHEN...From 1 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory means that hot weather conditions are occurring or expected. This will create a situation in which heat illnesses are possible. Never, ever, leave children or pets alone in enclosed vehicles, not

Alabama, Florida, Mississippi Moderate Heat Advisory | Effective 08/20/2026 09:21

* WHAT...Heat index values up to 108 to 112 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Alabama, Florida, Mississippi Moderate Heat Advisory | Effective 08/20/2026 09:21

* WHAT...Heat index values up to 108 to 112 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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