20 advisories in effect for 20 regions in the area

• Lavaca

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Guadalupe

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Zavala

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Karnes

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Live Oak

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Corpus Christi TX 251 AM CDT Thu May 15 2025 La Salle-McMullen-Live Oak-Webb-Duval-Jim Wells-Inland Kleberg- Inland Nueces-Inland San Patricio- Including the cities of Three Rivers, Orange Grove, Sinton, Taft, Benavides, Tuloso, Loyola Beach, George West, Freer, Robstown, Tilden, Premont, Bruni, Loma Alta, Laredo, Encinal, Alice, Orvil, San Diego, Riviera, Odem, Cotulla, Bishop, Calliham, Ricardo, Mathis, Kingsville, and Cross 251 AM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 113 expected. * WHERE...Duval, Inland Kleberg, Inland Nueces, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, and Webb Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Major risk of heat-related impacts. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

• Webb

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Corpus Christi TX 251 AM CDT Thu May 15 2025 La Salle-McMullen-Live Oak-Webb-Duval-Jim Wells-Inland Kleberg- Inland Nueces-Inland San Patricio- Including the cities of Three Rivers, Orange Grove, Sinton, Taft, Benavides, Tuloso, Loyola Beach, George West, Freer, Robstown, Tilden, Premont, Bruni, Loma Alta, Laredo, Encinal, Alice, Orvil, San Diego, Riviera, Odem, Cotulla, Bishop, Calliham, Ricardo, Mathis, Kingsville, and Cross 251 AM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 113 expected. * WHERE...Duval, Inland Kleberg, Inland Nueces, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, and Webb Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Major risk of heat-related impacts. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

• Comal

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Wilson

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Caldwell

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• McMullen

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Corpus Christi TX 251 AM CDT Thu May 15 2025 La Salle-McMullen-Live Oak-Webb-Duval-Jim Wells-Inland Kleberg- Inland Nueces-Inland San Patricio- Including the cities of Three Rivers, Orange Grove, Sinton, Taft, Benavides, Tuloso, Loyola Beach, George West, Freer, Robstown, Tilden, Premont, Bruni, Loma Alta, Laredo, Encinal, Alice, Orvil, San Diego, Riviera, Odem, Cotulla, Bishop, Calliham, Ricardo, Mathis, Kingsville, and Cross 251 AM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 113 expected. * WHERE...Duval, Inland Kleberg, Inland Nueces, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, and Webb Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Major risk of heat-related impacts. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

• Gonzales

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Hays

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• DeWitt

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Frio

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Medina

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Dimmit

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Hays-Travis-Bastrop-Comal-Guadalupe-Caldwell-Fayette-Zavala- Karnes-Gonzales-De Witt-Lavaca-Dimmit- Including the cities of Carrizo Springs, Hallettsville, New Braunfels, Karnes City, Crystal City, Gonzales, Bastrop, Austin, Seguin, Lockhart, La Grange, Cuero, and San Marcos 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...Heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...A portion of south central Texas. * WHEN...From 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Uvalde

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Atascosa

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• Bexar

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Austin/San Antonio TX 138 PM CDT Thu May 15 2025 Uvalde-Medina-Bexar-Frio-Atascosa-Wilson- Including the cities of San Antonio, Hondo, Uvalde, Pearsall, Floresville, and Pleasanton 138 PM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 2 PM TO 7 PM CDT FRIDAY... * WHAT...For the first Heat Advisory, heat index values up to 110 and air temperatures up to 104. For the second Heat Advisory, heat index values up to 111 and air temperatures up to 104 are expected. * WHERE...Atascosa, Bexar, Frio, Medina, Uvalde, and Wilson Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 2 PM to 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

• La Salle

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Corpus Christi TX 251 AM CDT Thu May 15 2025 La Salle-McMullen-Live Oak-Webb-Duval-Jim Wells-Inland Kleberg- Inland Nueces-Inland San Patricio- Including the cities of Three Rivers, Orange Grove, Sinton, Taft, Benavides, Tuloso, Loyola Beach, George West, Freer, Robstown, Tilden, Premont, Bruni, Loma Alta, Laredo, Encinal, Alice, Orvil, San Diego, Riviera, Odem, Cotulla, Bishop, Calliham, Ricardo, Mathis, Kingsville, and Cross 251 AM CDT Thu May 15 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 113 expected. * WHERE...Duval, Inland Kleberg, Inland Nueces, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, and Webb Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Major risk of heat-related impacts. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.