Zone Forecast Product
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
756 FPUS54 KHGX 191703 ZFPHGX Zone Forecast Product for Southeast Texas National Weather Service Houston/Galveston TX 1203 PM CDT Wed Aug 19 2026 TXZ211-200100- Austin- Including the cities of Sealy and Bellville 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs around 100. South winds around 5 mph. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110 in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ TXZ237-200100- Inland Brazoria- Including the cities of Pearland, Alvin, and Angleton 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the mid 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 108. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the upper 70s. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight. Heat index values up to 106 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 109. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ TXZ196-200100- Brazos- Including the cities of College Station and Bryan 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 100. South winds around 10 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 101. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 102. South winds 5 to 10 mph. Heat index values up to 108. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs 100 to 105. Heat index values up to 110 in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. $$ TXZ195-200100- Burleson- Including the cities of Caldwell and Somerville 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 101. South winds around 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 102. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 102. South winds 5 to 10 mph. Heat index values up to 108. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs 100 to 105. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ214-200100- Chambers- Including the cities of Winnie, Mont Belvieu, Anahuac, Stowell, and Old River-Winfree 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. South winds 10 to 15 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .THURSDAY...Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index values up to 111. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds 10 to 15 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 111. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ TXZ210-200100- Colorado- Including the cities of Columbus, Eagle Lake, and Weimar 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 100. South winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs around 101. South winds 5 to 10 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Humid with lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 108 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs around 101. South winds 5 to 10 mph. Heat index values up to 109. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. $$ TXZ227-200100- Fort Bend- Including the cities of Missouri City, Mission Bend, Sugar Land, Rosenberg, First Colony, and Pecan Grove 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 108. .TONIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ TXZ238-200100- Inland Galveston- Including the cities of League City and Friendswood 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 107. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight. .THURSDAY...Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight. Heat index values up to 106 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 109. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ198-200100- Grimes- Including the city of Navasota 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 100. South winds around 10 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. .THURSDAY...Mostly sunny. Hot with highs around 101. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 101. South winds around 5 mph. Heat index values up to 108. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110 in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 115 in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ213-200100- Inland Harris- Including the city of Houston 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 108. .TONIGHT...Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 107 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Southwest winds 5 to 10 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 100. Southwest winds 5 to 10 mph. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ163-200100- Houston- Including the city of Crockett 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Mostly sunny. Hot with highs around 100. Southwest winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 101. Southwest winds around 5 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 107 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 102. Southwest winds around 5 mph. Heat index values up to 111. .FRIDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the mid 70s. Chance of rain 30 percent. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. $$ TXZ235-200100- Inland Jackson- Including the cities of Edna and Ganado 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 10 to 15 mph. Heat index values up to 105. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds 10 to 15 mph. .THURSDAY...Sunny, hot with highs in the upper 90s. South winds 10 to 15 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 107 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 109. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 115. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ200-200100- Northern Liberty- Including the cities of Liberty, Cleveland, and Dayton 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 110 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 113. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ176-200100- Madison- Including the city of Madisonville 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 100. South winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 101. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 102. Southwest winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 109. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110 in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 115. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. $$ TXZ236-200100- Inland Matagorda- Including the city of Bay City 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. South winds 10 to 15 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. .THURSDAY...Sunny, hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 108. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 109. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. .SUNDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ TXZ199-200100- Montgomery- Including the cities of Conroe and The Woodlands 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Southwest winds 5 to 10 mph. Heat index values up to 110 in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 111. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 115. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ179-200100- Polk- Including the cities of Livingston and Corrigan 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 108. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 109 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 101. Southwest winds around 5 mph. Heat index values up to 112. .FRIDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ178-200100- San Jacinto- Including the cities of Shepherd and Coldspring 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 111. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ164-200100- Trinity- Including the cities of Trinity and Groveton 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Mostly sunny. Hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 102. Southwest winds around 5 mph. Heat index values up to 111. .FRIDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 105. $$ TXZ177-200100- Walker- Including the city of Huntsville 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs around 100. South winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. .THURSDAY...Sunny, hot with highs around 101. Southwest winds 5 to 10 mph. Heat index values up to 108. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Mostly sunny. Hot with highs around 101. South winds around 5 mph. Heat index values up to 109. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 115 in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ212-200100- Waller- Including the cities of Hempstead, Prairie View, Brookshire, and Waller 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs around 100. South winds around 5 mph. Heat index values up to 108. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ TXZ197-200100- Washington- Including the city of Brenham 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 70s. South winds 10 to 15 mph. .THURSDAY...Patchy fog in the morning. Mostly sunny. Hot with highs around 100. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .FRIDAY...Patchy fog in the morning. Mostly sunny. Hot with highs around 100. South winds around 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs around 100. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ TXZ226-200100- Wharton- Including the cities of El Campo and Wharton 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the upper 90s. South winds 10 to 15 mph. Heat index values up to 105. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. .THURSDAY...Patchy fog in the morning. Sunny, hot with highs in the upper 90s. South winds 10 to 15 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .FRIDAY...Patchy fog in the morning. Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ300-200100- Southern Liberty- Including the city of Devers 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 110 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 111. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 70s. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ TXZ313-200100- Coastal Harris- Including the cities of Pasadena and Baytown 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Mostly sunny. Hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .THURSDAY...Mostly sunny. Hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 111. .THURSDAY NIGHT...Mostly clear. Humid with lows around 80. South winds 10 to 15 mph. Heat index values up to 108 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 111. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 110 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ338-200100- Coastal Galveston- Including the cities of Texas City, Dickinson, and La Marque 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. South winds 10 to 15 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. .THURSDAY...Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds 10 to 15 mph. Heat index values up to 106 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 111. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. $$ TXZ337-200100- Coastal Brazoria- Including the cities of Lake Jackson, Freeport, and Clute 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. South winds 10 to 15 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. .THURSDAY...Sunny with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 108. .THURSDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .FRIDAY...Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index values up to 108. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. .SATURDAY...Mostly sunny. Highs in the mid 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. .SUNDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. .MONDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. $$ TXZ336-200100- Coastal Matagorda- Including the city of Palacios 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. South winds 10 to 15 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. South winds 10 to 15 mph. .THURSDAY...Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 80s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. .FRIDAY...Sunny with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows around 80. .SATURDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows around 80. .SUNDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows around 80. .MONDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows around 80. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. $$ TXZ335-200100- Coastal Jackson- 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Highs in the mid 90s. South winds 10 to 15 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 80. South winds 10 to 15 mph. .THURSDAY...Sunny with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 109. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 80. South winds 10 to 15 mph. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 108. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. .SATURDAY...Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows in the upper 70s. .SUNDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ436-200100- Matagorda Islands- 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Mostly sunny. Near steady temperature in the upper 80s. South winds 10 to 15 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid. Near steady temperature in the mid 80s. South winds 15 to 20 mph. .THURSDAY...Mostly sunny. Humid with highs in the upper 80s. South winds 10 to 15 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid. Near steady temperature in the mid 80s. South winds 10 to 15 mph. .FRIDAY...Sunny with highs in the upper 80s. South winds 10 to 15 mph. .FRIDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .SATURDAY...Mostly sunny. Highs in the upper 80s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 80s. .SUNDAY...Sunny. Highs in the upper 80s. .SUNDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .MONDAY...Sunny. Highs in the upper 80s. .MONDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .TUESDAY...Sunny. Highs in the upper 80s. $$ TXZ437-200100- Brazoria Islands- Including the city of Surfside Beach 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature in the upper 80s. South winds 10 to 15 mph. .TONIGHT...Mostly clear. Humid. Near steady temperature in the mid 80s. South winds 10 to 15 mph. .THURSDAY...Sunny with highs in the upper 80s. Southwest winds 10 to 15 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. South winds 10 to 15 mph. Heat index values up to 105 early. .FRIDAY...Sunny with highs around 90. Southwest winds 10 to 15 mph. Heat index values up to 105. .FRIDAY NIGHT...Mostly clear. Lows in the lower 80s. .SATURDAY...Mostly sunny. Highs around 90. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows in the lower 80s. .SUNDAY...Sunny. Highs around 90. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear. Lows in the lower 80s. .MONDAY...Sunny. Highs in the upper 80s. .MONDAY NIGHT...Mostly clear. Lows in the lower 80s. .TUESDAY...Sunny. Highs around 90. $$ TXZ438-200100- Galveston Island- Including the city of Galveston 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature around 90. South winds 10 to 15 mph. Heat index values up to 105. .TONIGHT...Mostly clear. Humid with lows in the mid 80s. South winds around 15 mph. .THURSDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 107. .THURSDAY NIGHT...Mostly clear. Humid with lows in the mid 80s. Southwest winds 10 to 15 mph. Heat index values up to 106 early. .FRIDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear. Lows in the lower 80s. .SATURDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .SUNDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .SUNDAY NIGHT...Mostly clear. Lows in the lower 80s. .MONDAY...Sunny. Highs around 90. .MONDAY NIGHT...Mostly clear. Lows in the mid 80s. .TUESDAY...Sunny. Highs around 90. $$ TXZ439-200100- Bolivar Peninsula- 1203 PM CDT Wed Aug 19 2026 ...HEAT ADVISORY IN EFFECT FROM NOON THURSDAY TO 7 PM CDT FRIDAY... .THIS AFTERNOON...Sunny. Near steady temperature around 90. South winds 10 to 15 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. .THURSDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 108. .THURSDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. Heat index values up to 105 early. .FRIDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 107. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 80s. .SATURDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .SUNDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .SUNDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .MONDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Lows in the lower 80s. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. $$