Zone Forecast Product
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
691 FPUS54 KBRO 210531 ZFPBRO Zone Forecast Product for Texas National Weather Service Brownsville TX 1230 AM CDT Thu Aug 21 2025 TXZ253-211300- Southern Hidalgo- Including the cities of McAllen, Edinburg, Pharr, Mission, and Weslaco 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 105. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. East winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .FRIDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 105. .FRIDAY NIGHT...Mostly clear. A chance of showers in the evening. Humid with lows in the upper 70s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Southeast winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 70 percent. .MONDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 105. $$ TXZ255-211300- Inland Cameron- Including the cities of Brownsville and Harlingen 1230 AM CDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Sunny. Highs in the mid 90s. East winds 5 to 10 mph. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. .FRIDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Mostly clear with a chance of showers. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent. .SUNDAY...Patchy fog in the morning. Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. .SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the upper 70s. Chance of rain 70 percent. .MONDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 105. $$ TXZ355-211300- Coastal Cameron- Including the cities of Port Isabel and Laguna Vista 1230 AM CDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Sunny. Highs in the lower 90s. North winds around 5 mph, becoming east this afternoon. Heat index values up to 105. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph, becoming south after midnight. .FRIDAY...Sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 30 percent. Heat index values up to 105. .FRIDAY NIGHT...Mostly clear. A chance of showers after midnight. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 105. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent. .SUNDAY...Patchy fog in the morning. Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. .SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 50 percent. .MONDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the lower 90s. Heat index values up to 110. $$ TXZ455-211300- Cameron Island- Including the cities of South Padre Island and Boca Chica Beach 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Highs in the mid 80s. West winds around 5 mph, becoming east this afternoon. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph, becoming south after midnight. .FRIDAY...Sunny with highs in the upper 80s. Southwest winds around 5 mph, becoming east in the afternoon. .FRIDAY NIGHT...Mostly clear. A chance of showers after midnight. Humid. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Chance of rain 50 percent. .MONDAY...A chance of showers in the morning. Mostly sunny. Highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Near steady temperature in the mid 80s. $$ TXZ252-211300- Starr- Including the cities of Rio Grande City and Roma 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 101. East winds around 5 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 40 percent. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southeast winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. East winds around 5 mph. Chance of rain 70 percent. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 60 percent. .MONDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 40 percent. Heat index values up to 105. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105. $$ TXZ254-211300- Inland Willacy- Including the city of Raymondville 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Areas of fog this morning. A slight chance of showers and thunderstorms this afternoon. Locally heavy rainfall possible this afternoon. Highs in the upper 90s. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106. .TONIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. .FRIDAY...Sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 106. .FRIDAY NIGHT...Mostly clear with a chance of showers. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Patchy fog in the morning. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. Heat index values up to 106. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms. Patchy fog in the morning. Patchy fog after midnight. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 70 percent. Heat index values up to 105. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 110. .WEDNESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. $$ TXZ354-211300- Coastal Willacy- Including the city of Port Mansfield 1230 AM CDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Sunny. Highs in the mid 90s. North winds around 5 mph, becoming east this afternoon. Heat index values up to 106. .TONIGHT...Mostly clear. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. .FRIDAY...Sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 40 percent. Heat index values up to 106. .FRIDAY NIGHT...Mostly clear. A chance of showers after midnight. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 40 percent. .SATURDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 107. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Patchy fog through the day. Patchy fog after midnight. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 110. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110. $$ TXZ248-211300- Zapata- Including the city of Zapata 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. A chance of showers and thunderstorms this afternoon. Hot with highs around 102. East winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 70s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 90s. Northeast winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 70s. East winds around 5 mph, becoming southeast around 5 mph after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 50 percent. .MONDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Hot. Lows in the upper 70s. Highs around 99. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the upper 90s. $$ TXZ249-211300- Jim Hogg- Including the city of Hebbronville 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the upper 90s. East winds around 5 mph. Chance of rain 40 percent. .TONIGHT...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the mid 70s. East winds 5 to 10 mph, becoming south after midnight. Chance of rain 50 percent. .FRIDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 90s. North winds around 5 mph. Chance of rain 70 percent. .FRIDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. East winds around 5 mph, becoming southeast after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Patchy fog in the morning. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. A chance of thunderstorms in the evening. Patchy fog after midnight. Lows in the lower 70s. Chance of precipitation 50 percent. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the upper 90s. Lows in the mid 70s. $$ TXZ250-211300- Brooks- Including the city of Falfurrias 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Areas of fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the upper 90s. East winds around 5 mph. Chance of rain 30 percent. .TONIGHT...Mostly clear. A chance of thunderstorms with a slight chance of showers in the evening. Lows in the mid 70s. East winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 50 percent. .FRIDAY...Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 90s. Southwest winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 70 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers. Patchy fog after midnight. Lows in the mid 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent. .SATURDAY...Mostly sunny. Patchy fog in the morning. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. East winds around 5 mph. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 70s. Chance of rain 40 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms. Patchy fog in the morning. Patchy fog after midnight. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 70 percent. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. .TUESDAY...Sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 105. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. $$ TXZ353-211300- Northern Hidalgo- Including the city of San Manuel 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s. East winds 5 to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. East winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .FRIDAY...Sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 90s. Light and variable winds, becoming east around 5 mph in the afternoon. Chance of rain 70 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers. Humid with lows in the mid 70s. East winds 5 to 10 mph, becoming south after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds around 5 mph, becoming east around 5 mph in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY...Patchy fog in the morning. Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. .SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the mid 70s. Chance of rain 70 percent. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105. .WEDNESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 105. $$ TXZ251-211300- Inland Kenedy- Including the city of Sarita 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Areas of fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107. .TONIGHT...Mostly clear. A slight chance of showers after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 20 percent. .FRIDAY...Mostly sunny. Patchy fog in the morning. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. Heat index values up to 106. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. A chance of showers. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Patchy fog in the morning. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 70 percent. Heat index values up to 106. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 70s. Chance of rain 40 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms. Patchy fog in the morning. Patchy fog after midnight. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 70 percent. Heat index values up to 105. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 110. .WEDNESDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 110. $$ TXZ351-211300- Coastal Kenedy- 1230 AM CDT Thu Aug 21 2025 .TODAY...Patchy fog this morning. Sunny. Highs in the mid 90s. West winds around 5 mph, becoming east this afternoon. Heat index values up to 106. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .FRIDAY...Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. Heat index values up to 106. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Patchy fog after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 50 percent. .SATURDAY...Mostly sunny. Patchy fog in the morning. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 60 percent. Heat index values up to 106. .SATURDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms. Patchy fog in the morning. Patchy fog after midnight. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 110. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110. $$ TXZ454-211300- Willacy Island- 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Highs in the lower 90s. West winds around 5 mph, becoming east this afternoon. Heat index values up to 106. .TONIGHT...Mostly clear. A slight chance of showers after midnight. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .FRIDAY...Sunny with highs in the lower 90s. Southwest winds around 5 mph, becoming east in the afternoon. .FRIDAY NIGHT...Mostly clear. A chance of showers after midnight. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 40 percent. .SATURDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs around 90. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the lower 80s. Highs in the lower 90s. Heat index values up to 110. $$ TXZ451-211300- Kenedy Island- 1230 AM CDT Thu Aug 21 2025 .TODAY...Sunny. Highs around 90. West winds around 5 mph, becoming east this afternoon. Heat index values up to 105. .TONIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows around 80. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 20 percent. .FRIDAY...Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly clear. A chance of showers after midnight. Humid with lows around 80. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows around 80. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105. .MONDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. Heat index values up to 105. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the lower 80s. Highs around 90. Heat index values up to 110. $$