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Home Return to list Heat Advisory 0002 Issued by the Houston / Galveston Forecast Office
Action: New Issued At: 2026-06-18 09:57:18 633 WWUS74 KHGX 181456 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 956 AM CDT Thu Jun 18 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436-438-439-190200- /O.NEW.KHGX.HT.Y.0002.260619T0100Z-260621T0300Z/ /O.CON.KHGX.XH.W.0001.260618T1600Z-260619T0100Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Galveston Island- Bolivar Peninsula- Including the cities of Galveston, Pasadena, College Station, Columbus, Anahuac, Devers, Mont Belvieu, Freeport, Wharton, Navasota, Friendswood, Brookshire, Lake Jackson, Trinity, Sugar Land, Waller, Madisonville, Huntsville, Rosenberg, Liberty, Cleveland, Palacios, Bellville, Groveton, Clute, Texas City, Brenham, Baytown, Pecan Grove, Sealy, Houston, Weimar, Eagle Lake, Hempstead, Crockett, Livingston, Caldwell, Bryan, Edna, La Marque, Stowell, The Woodlands, Shepherd, Winnie, Old River-Winfree, Mission Bend, Ganado, Corrigan, Prairie View, Pearland, League City, Conroe, Bay City, Dickinson, Somerville, Angleton, Coldspring, First Colony, Missouri City, Alvin, El Campo, and Dayton 956 AM CDT Thu Jun 18 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 PM CDT SATURDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. For the Heat Advisory, heat index values up to 108 expected. * WHERE...Portions of south central and southeast Texas. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 10 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ TXZ437-190200- /O.NEW.KHGX.HT.Y.0002.260619T0100Z-260621T0300Z/ Brazoria Islands- Including the cities of Surfside Beach 956 AM CDT Thu Jun 18 2026 ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 PM CDT SATURDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Brazoria Islands County. * WHEN...From 8 PM this evening to 10 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ jessica.chace Action: New Issued At: 2026-06-18 09:57:18 633 WWUS74 KHGX 181456 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 956 AM CDT Thu Jun 18 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436-438-439-190200- /O.NEW.KHGX.HT.Y.0002.260619T0100Z-260621T0300Z/ /O.CON.KHGX.XH.W.0001.260618T1600Z-260619T0100Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Galveston Island- Bolivar Peninsula- Including the cities of Galveston, Pasadena, College Station, Columbus, Anahuac, Devers, Mont Belvieu, Freeport, Wharton, Navasota, Friendswood, Brookshire, Lake Jackson, Trinity, Sugar Land, Waller, Madisonville, Huntsville, Rosenberg, Liberty, Cleveland, Palacios, Bellville, Groveton, Clute, Texas City, Brenham, Baytown, Pecan Grove, Sealy, Houston, Weimar, Eagle Lake, Hempstead, Crockett, Livingston, Caldwell, Bryan, Edna, La Marque, Stowell, The Woodlands, Shepherd, Winnie, Old River-Winfree, Mission Bend, Ganado, Corrigan, Prairie View, Pearland, League City, Conroe, Bay City, Dickinson, Somerville, Angleton, Coldspring, First Colony, Missouri City, Alvin, El Campo, and Dayton 956 AM CDT Thu Jun 18 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 PM CDT SATURDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. For the Heat Advisory, heat index values up to 108 expected. * WHERE...Portions of south central and southeast Texas. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 10 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ TXZ437-190200- /O.NEW.KHGX.HT.Y.0002.260619T0100Z-260621T0300Z/ Brazoria Islands- Including the cities of Surfside Beach 956 AM CDT Thu Jun 18 2026 ...HEAT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 PM CDT SATURDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Brazoria Islands County. * WHEN...From 8 PM this evening to 10 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ jessica.chace Action: Continued Issued At: 2026-06-18 20:08:40 080 WWUS74 KHGX 190108 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 808 PM CDT Thu Jun 18 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436-438-439-190915- /O.EXP.KHGX.XH.W.0001.000000T0000Z-260619T0100Z/ /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Galveston Island- Bolivar Peninsula- Including the cities of Brookshire, Stowell, Hempstead, Freeport, Dayton, Eagle Lake, Lake Jackson, League City, Bay City, Somerville, La Marque, Pasadena, Prairie View, College Station, Liberty, Mont Belvieu, Coldspring, Mission Bend, Winnie, Livingston, Texas City, Houston, Palacios, Crockett, Brenham, Bellville, Columbus, Cleveland, Friendswood, Sealy, Corrigan, Huntsville, Angleton, Navasota, Caldwell, Waller, Groveton, Anahuac, Sugar Land, Alvin, Devers, Missouri City, Shepherd, El Campo, Conroe, Ganado, Edna, Baytown, Wharton, Trinity, The Woodlands, Clute, First Colony, Old River-Winfree, Galveston, Rosenberg, Weimar, Dickinson, Pearland, Pecan Grove, Bryan, and Madisonville 808 PM CDT Thu Jun 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... ...EXTREME HEAT WARNING HAS EXPIRED... * WHAT...Heat index values up to 112 degrees Fahrenheit (44 degrees Celsius). * WHERE...Portions of south central and southeast Texas. * WHEN...Until 10 PM CDT Saturday. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ TXZ437-190915- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Brazoria Islands- Including the cities of Surfside Beach 808 PM CDT Thu Jun 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... * WHAT...Heat index values up to 108 degrees Fahrenheit (42 degrees Celsius). * WHERE...Brazoria County Islands. * WHEN...Until 10 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DL Action: Continued Issued At: 2026-06-18 20:08:40 080 WWUS74 KHGX 190108 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 808 PM CDT Thu Jun 18 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436-438-439-190915- /O.EXP.KHGX.XH.W.0001.000000T0000Z-260619T0100Z/ /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Galveston Island- Bolivar Peninsula- Including the cities of Brookshire, Stowell, Hempstead, Freeport, Dayton, Eagle Lake, Lake Jackson, League City, Bay City, Somerville, La Marque, Pasadena, Prairie View, College Station, Liberty, Mont Belvieu, Coldspring, Mission Bend, Winnie, Livingston, Texas City, Houston, Palacios, Crockett, Brenham, Bellville, Columbus, Cleveland, Friendswood, Sealy, Corrigan, Huntsville, Angleton, Navasota, Caldwell, Waller, Groveton, Anahuac, Sugar Land, Alvin, Devers, Missouri City, Shepherd, El Campo, Conroe, Ganado, Edna, Baytown, Wharton, Trinity, The Woodlands, Clute, First Colony, Old River-Winfree, Galveston, Rosenberg, Weimar, Dickinson, Pearland, Pecan Grove, Bryan, and Madisonville 808 PM CDT Thu Jun 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... ...EXTREME HEAT WARNING HAS EXPIRED... * WHAT...Heat index values up to 112 degrees Fahrenheit (44 degrees Celsius). * WHERE...Portions of south central and southeast Texas. * WHEN...Until 10 PM CDT Saturday. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ TXZ437-190915- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Brazoria Islands- Including the cities of Surfside Beach 808 PM CDT Thu Jun 18 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... * WHAT...Heat index values up to 108 degrees Fahrenheit (42 degrees Celsius). * WHERE...Brazoria County Islands. * WHEN...Until 10 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DL Action: Continued Issued At: 2026-06-19 00:53:22 164 WWUS74 KHGX 190552 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1252 AM CDT Fri Jun 19 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436>439-191400- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Brookshire, Stowell, Hempstead, Freeport, Dayton, Eagle Lake, Lake Jackson, League City, Bay City, Somerville, La Marque, Pasadena, Prairie View, College Station, Liberty, Mont Belvieu, Coldspring, Mission Bend, Winnie, Livingston, Texas City, Houston, Palacios, Crockett, Brenham, Bellville, Columbus, Cleveland, Friendswood, Sealy, Surfside Beach, Corrigan, Huntsville, Angleton, Navasota, Caldwell, Waller, Groveton, Anahuac, Sugar Land, Alvin, Devers, Missouri City, Shepherd, El Campo, Conroe, Ganado, Edna, Baytown, Wharton, Trinity, The Woodlands, Clute, First Colony, Old River-Winfree, Galveston, Rosenberg, Weimar, Dickinson, Pearland, Pecan Grove, Bryan, and Madisonville 1252 AM CDT Fri Jun 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... * WHAT...Heat index values up to 112 degrees Fahrenheit (44 degrees Celsius). * WHERE...Portions of south central and southeast Texas. * WHEN...Until 10 PM CDT Saturday. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DL Action: Continued Issued At: 2026-06-19 07:16:08 212 WWUS74 KHGX 191215 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 715 AM CDT Fri Jun 19 2026 TXZ163-164-176>179-195>200-210>214-226-227-235>238-300-313-335>338- 436>439-201300- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Montgomery-Northern Liberty-Colorado-Austin- Waller-Inland Harris-Chambers-Wharton-Fort Bend-Inland Jackson- Inland Matagorda-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Jackson-Coastal Matagorda-Coastal Brazoria-Coastal Galveston-Matagorda Islands-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Bryan, Galveston, Mission Bend, Huntsville, Bay City, Coldspring, Sugar Land, Friendswood, Texas City, El Campo, Rosenberg, Old River-Winfree, Hempstead, Liberty, Brenham, Houston, La Marque, Wharton, Prairie View, Bellville, Columbus, Shepherd, Missouri City, Anahuac, Stowell, Lake Jackson, Livingston, Navasota, Waller, Edna, Pecan Grove, Somerville, Corrigan, Groveton, Ganado, Alvin, Dickinson, Conroe, Mont Belvieu, Sealy, Brookshire, Winnie, Pearland, Madisonville, Angleton, Dayton, Eagle Lake, Devers, Trinity, College Station, The Woodlands, Cleveland, League City, Pasadena, Clute, Baytown, Weimar, Crockett, Palacios, Caldwell, Surfside Beach, First Colony, and Freeport 715 AM CDT Fri Jun 19 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT SATURDAY... * WHAT...Heat index values up to 112 degrees Fahrenheit (44 degrees Celsius). * WHERE...Portions of south central and southeast Texas. * WHEN...Until 10 PM CDT Saturday. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Batiste Action: Continued Issued At: 2026-06-20 00:12:45 430 WWUS74 KHGX 200512 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1212 AM CDT Sat Jun 20 2026 TXZ163-164-176>179-195>198-210-211-226-235-236-335-336-436-200615- /O.CAN.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Colorado-Austin-Wharton-Inland Jackson-Inland Matagorda-Coastal Jackson-Coastal Matagorda-Matagorda Islands- Including the cities of Somerville, Shepherd, Livingston, Groveton, Eagle Lake, Columbus, Bellville, Ganado, Wharton, Corrigan, Palacios, Coldspring, Weimar, Bryan, El Campo, Edna, Trinity, Caldwell, Brenham, Bay City, Sealy, Navasota, Crockett, Huntsville, Madisonville, and College Station 1212 AM CDT Sat Jun 20 2026 ...HEAT ADVISORY IS CANCELLED... Due to increasing clouds and chances for rain, heat index readings are no longer expected to reach critical thresholds on Saturday. Thus, the Heat Advisory has been canceled. $$ TXZ199-200-212>214-227-237-238-300-313-337-338-437>439-201315- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Montgomery-Northern Liberty-Waller-Inland Harris-Chambers-Fort Bend-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Brazoria-Coastal Galveston-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Rosenberg, Angleton, Brookshire, Galveston, Stowell, The Woodlands, Winnie, Surfside Beach, Lake Jackson, La Marque, Anahuac, Liberty, Dickinson, Freeport, Clute, Pasadena, Devers, Prairie View, Missouri City, Houston, Waller, Hempstead, Baytown, Mont Belvieu, First Colony, Alvin, Cleveland, Mission Bend, Old River-Winfree, League City, Conroe, Sugar Land, Pecan Grove, Texas City, Pearland, Friendswood, and Dayton 1212 AM CDT Sat Jun 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Heat index values approaching 108 degrees Fahrenheit (42 degrees Celsius) possible * WHERE...A portion of southeast Texas. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DL Action: Cancelled Issued At: 2026-06-20 00:12:45 430 WWUS74 KHGX 200512 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 1212 AM CDT Sat Jun 20 2026 TXZ163-164-176>179-195>198-210-211-226-235-236-335-336-436-200615- /O.CAN.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Houston-Trinity-Madison-Walker-San Jacinto-Polk-Burleson-Brazos- Washington-Grimes-Colorado-Austin-Wharton-Inland Jackson-Inland Matagorda-Coastal Jackson-Coastal Matagorda-Matagorda Islands- Including the cities of Somerville, Shepherd, Livingston, Groveton, Eagle Lake, Columbus, Bellville, Ganado, Wharton, Corrigan, Palacios, Coldspring, Weimar, Bryan, El Campo, Edna, Trinity, Caldwell, Brenham, Bay City, Sealy, Navasota, Crockett, Huntsville, Madisonville, and College Station 1212 AM CDT Sat Jun 20 2026 ...HEAT ADVISORY IS CANCELLED... Due to increasing clouds and chances for rain, heat index readings are no longer expected to reach critical thresholds on Saturday. Thus, the Heat Advisory has been canceled. $$ TXZ199-200-212>214-227-237-238-300-313-337-338-437>439-201315- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Montgomery-Northern Liberty-Waller-Inland Harris-Chambers-Fort Bend-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Brazoria-Coastal Galveston-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Rosenberg, Angleton, Brookshire, Galveston, Stowell, The Woodlands, Winnie, Surfside Beach, Lake Jackson, La Marque, Anahuac, Liberty, Dickinson, Freeport, Clute, Pasadena, Devers, Prairie View, Missouri City, Houston, Waller, Hempstead, Baytown, Mont Belvieu, First Colony, Alvin, Cleveland, Mission Bend, Old River-Winfree, League City, Conroe, Sugar Land, Pecan Grove, Texas City, Pearland, Friendswood, and Dayton 1212 AM CDT Sat Jun 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Heat index values approaching 108 degrees Fahrenheit (42 degrees Celsius) possible * WHERE...A portion of southeast Texas. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ DL Action: Continued Issued At: 2026-06-20 08:04:28 160 WWUS74 KHGX 201304 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 804 AM CDT Sat Jun 20 2026 TXZ199-200-212>214-227-237-238-300-313-337-338-437>439-210300- /O.CON.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Montgomery-Northern Liberty-Waller-Inland Harris-Chambers-Fort Bend-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Brazoria-Coastal Galveston-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Texas City, Galveston, Rosenberg, Freeport, Friendswood, League City, Alvin, Sugar Land, Lake Jackson, Pecan Grove, Dayton, Mont Belvieu, Pearland, Stowell, Mission Bend, First Colony, Hempstead, Prairie View, Baytown, Devers, Missouri City, Houston, The Woodlands, Liberty, Old River-Winfree, Angleton, Conroe, Anahuac, Dickinson, La Marque, Winnie, Waller, Cleveland, Pasadena, Brookshire, Clute, and Surfside Beach 804 AM CDT Sat Jun 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Heat index values approaching 108 degrees Fahrenheit (42 degrees Celsius) possible * WHERE...A portion of southeast Texas. * WHEN...Until 10 PM CDT this evening. * 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Batiste Action: Cancelled Issued At: 2026-06-20 17:20:01 006 WWUS74 KHGX 202219 NPWHGX URGENT - WEATHER MESSAGE National Weather Service Houston/Galveston TX 519 PM CDT Sat Jun 20 2026 TXZ199-200-212>214-227-237-238-300-313-337-338-437>439-202330- /O.CAN.KHGX.HT.Y.0002.000000T0000Z-260621T0300Z/ Montgomery-Northern Liberty-Waller-Inland Harris-Chambers-Fort Bend-Inland Brazoria-Inland Galveston-Southern Liberty-Coastal Harris-Coastal Brazoria-Coastal Galveston-Brazoria Islands- Galveston Island-Bolivar Peninsula- Including the cities of Pearland, Stowell, Mont Belvieu, Friendswood, Lake Jackson, Pecan Grove, Dickinson, Houston, Winnie, Old River-Winfree, Mission Bend, Alvin, Texas City, Pasadena, Cleveland, Hempstead, Devers, Liberty, Angleton, League City, Galveston, Baytown, Dayton, Rosenberg, La Marque, Brookshire, First Colony, Waller, Surfside Beach, Sugar Land, Freeport, Prairie View, Anahuac, The Woodlands, Missouri City, Clute, and Conroe 519 PM CDT Sat Jun 20 2026 ...HEAT ADVISORY IS CANCELLED... Due to widespread clouds and rain, the threat for today has ended. $$ DL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||