Zone Forecast Product
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
366 FPUS54 KHGX 221137 ZFPHGX Zone Forecast Product for Southeast Texas National Weather Service Houston/Galveston TX 637 AM CDT Sat Aug 22 2026 TXZ211-221900- Austin- Including the cities of Sealy and Bellville 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 101. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 100. South winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the mid 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 105. $$ TXZ237-221900- Inland Brazoria- Including the cities of Pearland, Alvin, and Angleton 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 106. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ196-221900- Brazos- Including the cities of College Station and Bryan 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 103. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 103. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 102. South winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ195-221900- Burleson- Including the cities of Caldwell and Somerville 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 104. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 103. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 102. South winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the mid 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ214-221900- Chambers- Including the cities of Winnie, Mont Belvieu, Anahuac, Stowell, and Old River-Winfree 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 111. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 109 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 107 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 107. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ210-221900- Colorado- Including the cities of Columbus, Eagle Lake, and Weimar 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 103. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 102. Southwest winds around 5 mph, becoming south in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 101. South winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ227-221900- Fort Bend- Including the cities of Missouri City, Mission Bend, Sugar Land, Rosenberg, First Colony, and Pecan Grove 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 100. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Southwest winds 5 to 10 mph. Heat index values up to 108. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 107. .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. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ238-221900- Inland Galveston- Including the cities of League City and Friendswood 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds 5 to 10 mph, becoming southwest after midnight. Heat index values up to 107 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 107. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. .MONDAY...Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming south in the afternoon. Heat index values up to 107. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 115. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ198-221900- Grimes- Including the city of Navasota 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 103. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 102. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 101. South winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ213-221900- Inland Harris- Including the city of Houston 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 80. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 early in the evening. .SUNDAY...Sunny, hot with highs around 102. Southwest winds 5 to 10 mph. Heat index values up to 108. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. .MONDAY...Sunny, hot with highs around 101. Southwest winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ163-221900- Houston- Including the city of Crockett 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 104. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. .SUNDAY...Mostly sunny. Hot with highs around 103. South winds around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 102. Southwest winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon. .WEDNESDAY 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. .THURSDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ235-221900- Inland Jackson- Including the cities of Edna and Ganado 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 101. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 100. Southwest winds around 5 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 107. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. .MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming south 10 to 15 mph in the afternoon. .MONDAY NIGHT...Clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 115. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ200-221900- Northern Liberty- Including the cities of Liberty, Cleveland, and Dayton 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108 early in the evening. .SUNDAY...Sunny, hot with highs around 101. Southwest winds around 5 mph. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 108 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 107. .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. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ176-221900- Madison- Including the city of Madisonville 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 104. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Mostly sunny. Hot with highs around 103. Southwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 102. Southwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 115 in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ236-221900- Inland Matagorda- Including the city of Bay City 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming south in the afternoon. Heat index values up to 106. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph. .MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. 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 110. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ199-221900- Montgomery- Including the cities of Conroe and The Woodlands 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. .SUNDAY...Sunny, hot with highs around 102. Southwest winds around 5 mph. Heat index values up to 108. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 101. Southwest winds 5 to 10 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ179-221900- Polk- Including the cities of Livingston and Corrigan 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 103. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 110. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. .SUNDAY...Sunny, hot with highs around 102. Southwest winds around 5 mph. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 107 early in the evening. .MONDAY...Sunny, hot with highs around 101. Southwest winds around 5 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ178-221900- San Jacinto- Including the cities of Shepherd and Coldspring 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 102. Southwest winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 108 early in the evening. .MONDAY...Sunny, hot with highs around 100. Southwest winds around 5 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ164-221900- Trinity- Including the cities of Trinity and Groveton 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 104. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. .SUNDAY...Mostly sunny. Hot with highs around 102. Southwest winds around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 101. Southwest winds around 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Mostly sunny. Hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ177-221900- Walker- Including the city of Huntsville 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 103. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 103. Southwest winds around 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs around 101. Southwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ212-221900- Waller- Including the cities of Hempstead, Prairie View, Brookshire, and Waller 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. .SUNDAY...Sunny, hot with highs around 101. Southwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. South winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ197-221900- Washington- Including the city of Brenham 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 102. Southwest winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Sunny, hot with highs around 101. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 100. South winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ226-221900- Wharton- Including the cities of El Campo and Wharton 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 100. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY...Sunny, hot with highs around 100. Southwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. $$ TXZ300-221900- Southern Liberty- Including the city of Devers 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 100. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 109. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .MONDAY...Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. $$ TXZ313-221900- Coastal Harris- Including the cities of Pasadena and Baytown 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 99. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109. .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 80. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20 percent. Heat index values up to 109 early in the evening. .SUNDAY...Sunny, hot with highs in the upper 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 107 early in the evening. .MONDAY...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 107. .MONDAY NIGHT...Mostly clear. Lows around 80. 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. .TUESDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 105 early in the evening. .FRIDAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ338-221900- Coastal Galveston- Including the cities of Texas City, Dickinson, and La Marque 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny, hot with highs in the upper 90s. West winds 5 to 10 mph, becoming south this afternoon. Heat index values up to 111. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 108 early in the evening. .SUNDAY...Sunny, hot with highs in the mid 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 109. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 106 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 115. .TUESDAY NIGHT...Clear. Lows around 80. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 115. .WEDNESDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 110 early in the evening. .FRIDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. $$ TXZ337-221900- Coastal Brazoria- Including the cities of Lake Jackson, Freeport, and Clute 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Hot with highs in the mid 90s. West winds 5 to 10 mph, becoming southwest this afternoon. Heat index values up to 108. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny, hot with highs in the mid 90s. West winds around 5 mph, becoming south in the afternoon. Heat index values up to 106. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph. .MONDAY...Sunny with highs in the mid 90s. South winds 5 to 10 mph. 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 110. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. .THURSDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. $$ TXZ336-221900- Coastal Matagorda- Including the city of Palacios 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny with highs in the mid 90s. Southwest winds around 5 mph, becoming south in the afternoon. Heat index values up to 106. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph. .MONDAY...Sunny with highs in the lower 90s. South winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows around 80. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .TUESDAY NIGHT...Clear. Lows around 80. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows around 80. Heat index values up to 105 early in the evening. .FRIDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. $$ TXZ335-221900- Coastal Jackson- 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds 5 to 10 mph. .SUNDAY...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 105. .SUNDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. .MONDAY...Sunny, hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 105. .MONDAY NIGHT...Clear. Lows in the upper 70s. .TUESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 115. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. $$ TXZ436-221900- Matagorda Islands- 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid. Near steady temperature in the mid 80s. Southwest winds 10 to 15 mph. .SUNDAY...Sunny with highs in the upper 80s. Southwest winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. South winds 10 to 15 mph. .MONDAY...Sunny with highs in the upper 80s. South winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .TUESDAY...Sunny. Near steady temperature in the mid 80s. .TUESDAY NIGHT...Clear. Near steady temperature in the mid 80s. .WEDNESDAY...Sunny. Near steady temperature in the mid 80s. .WEDNESDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .THURSDAY...Sunny. Near steady temperature in the mid 80s. .THURSDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .FRIDAY...Sunny. Near steady temperature in the mid 80s. $$ TXZ437-221900- Brazoria Islands- Including the city of Surfside Beach 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. .SUNDAY...Sunny with highs in the lower 90s. West winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. South winds 10 to 15 mph. .MONDAY...Sunny with highs around 90. South winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Near steady temperature in the mid 80s. .TUESDAY...Sunny. Highs around 90. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. .WEDNESDAY...Sunny. Highs around 90. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 80s. .THURSDAY...Sunny. Highs around 90. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear. Lows in the lower 80s. .FRIDAY...Sunny. Highs around 90. Heat index values up to 105. $$ TXZ438-221900- Galveston Island- Including the city of Galveston 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Mostly sunny. Highs in the lower 90s. West winds 5 to 10 mph, becoming southwest 10 to 15 mph this afternoon. Heat index values up to 107. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. Heat index values up to 105 early. .SUNDAY...Sunny with highs in the lower 90s. West winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Heat index values up to 106. .SUNDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. .MONDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the mid 80s. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .TUESDAY NIGHT...Clear. Lows in the mid 80s. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 80s. .THURSDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear. Lows in the mid 80s. .FRIDAY...Sunny. Highs around 90. Heat index values up to 105. $$ TXZ439-221900- Bolivar Peninsula- 637 AM CDT Sat Aug 22 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT SUNDAY... .TODAY...Sunny. Highs in the mid 90s. West winds 5 to 10 mph, becoming southwest this afternoon. Heat index values up to 110. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. Heat index values up to 107 early. .SUNDAY...Sunny with highs in the lower 90s. West winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 108. .SUNDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. Southwest winds 10 to 15 mph. Heat index values up to 105 early. .MONDAY...Sunny with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 106. .MONDAY NIGHT...Mostly clear. Lows in the lower 80s. .TUESDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .THURSDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the lower 80s. Heat index values up to 105 early. .FRIDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. $$