FPUS54 KBRO 231741 ZFPBRO Zone Forecast Product for Texas National Weather Service Brownsville TX 1241 PM CDT Sun Aug 23 2026 TXZ253-240100- Southern Hidalgo- Including the cities of McAllen, Edinburg, Pharr, Mission, and Weslaco 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 103. Southeast winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 102. Southeast winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 102. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 109. .TUESDAY NIGHT...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...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 upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ255-240100- Inland Cameron- Including the cities of Brownsville and Harlingen 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 107. .TONIGHT...Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 111. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 110. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny. Highs in the upper 90s. Heat index values up to 110. $$ TXZ355-240100- Coastal Cameron- Including the cities of Port Isabel and Laguna Vista 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 108. .TONIGHT...Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny with highs in the mid 90s. Southeast winds 10 to 15 mph. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. .TUESDAY...Sunny with highs in the mid 90s. South winds 5 to 10 mph, increasing to southeast 15 to 20 mph with gusts up to 25 mph in the afternoon. Heat index values up to 112. .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...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .THURSDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. $$ TXZ455-240100- Cameron Island- Including the cities of South Padre Island and Boca Chica Beach 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the mid 80s. Southeast winds 10 to 15 mph. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. .MONDAY...Sunny with highs in the upper 80s. Southeast winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. .TUESDAY...Sunny with highs in the upper 80s. Southeast winds 10 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. .WEDNESDAY...Sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Clear. Lows in the lower 80s. .THURSDAY...Sunny. Highs in the upper 80s. .THURSDAY NIGHT...Clear. Lows in the lower 80s. .FRIDAY...Sunny. Highs in the upper 80s. .FRIDAY NIGHT...Mostly clear. Lows in the lower 80s. .SATURDAY...Sunny. Highs in the upper 80s. $$ TXZ252-240100- Starr- Including the cities of Rio Grande City and Roma 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 104. Southeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 103. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny, hot with highs around 103. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs 100 to 105. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs 100 to 105. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs 100 to 105. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs 100 to 105. $$ TXZ254-240100- Inland Willacy- Including the city of Raymondville 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 101. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 108. .TONIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny, hot with highs around 101. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening. .TUESDAY...Sunny, hot with highs around 101. Southeast winds 10 to 15 mph. Gusts upto 25 mph in the afternoon. Heat index values up to 112. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 115. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ354-240100- Coastal Willacy- Including the city of Port Mansfield 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 109. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny with highs in the mid 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. .TUESDAY...Sunny with highs in the mid 90s. South winds 5 to 10 mph, increasing to southeast 15 to 20 mph with gusts up to 25 mph in the afternoon. Heat index values up to 112. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 90s. Heat index values up to 115. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny. Highs in the upper 90s. Heat index values up to 110. .THURSDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. $$ TXZ248-240100- Zapata- Including the city of Zapata 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 106. Southeast winds 5 to 10 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. .MONDAY...Sunny, hot with highs around 105. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny, hot with highs around 105. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the morning. .TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 105. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs around 105. .THURSDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 105. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs 100 to 105. $$ TXZ249-240100- Jim Hogg- Including the city of Hebbronville 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 104. Southeast winds 5 to 10 mph. .TONIGHT...Mostly clear. More humid with lows in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. .MONDAY...Sunny, hot with highs around 103. Southeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny, hot with highs around 103. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. .WEDNESDAY...Sunny, hot with highs 100 to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. .THURSDAY...Sunny, hot with highs 100 to 105. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. .FRIDAY...Sunny, hot with highs around 100. .FRIDAY NIGHT...Mostly clear. Lows in the mid 70s. .SATURDAY...Sunny, hot with highs around 100. $$ TXZ250-240100- Brooks- Including the city of Falfurrias 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 105. Southeast winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. More humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early in the evening. .MONDAY...Sunny, hot with highs around 104. South winds around 5 mph, increasing to southeast 10 to 15 mph with gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening. .TUESDAY...Sunny, hot with highs around 104. Southeast winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs around 105. .WEDNESDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs 100 to 105. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs 100 to 105. .FRIDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs 100 to 105. Heat index values up to 110. $$ TXZ353-240100- Northern Hidalgo- Including the city of San Manuel 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 104. Southeast winds 10 to 15 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. More humid with lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Gusts up to 25 mph. .MONDAY...Sunny, hot with highs around 103. Southeast winds 10 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny, hot with highs around 103. Southeast winds 10 to 15 mph. .TUESDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny, hot with highs 100 to 105. .WEDNESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny, hot with highs 100 to 105. .THURSDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs 100 to 105. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ251-240100- Inland Kenedy- Including the city of Sarita 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny, hot with highs around 102. Southeast winds 10 to 15 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny, hot with highs around 101. South winds around 5 mph, increasing to southeast 10 to 15 mph with gusts up to 25 mph in the afternoon. Heat index values up to 110. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny, hot with highs around 102. Southeast winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Heat index values up to 112. .TUESDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs around 100. Heat index values up to 115. .WEDNESDAY NIGHT...Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny, hot with highs around 100. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny, hot with highs around 100. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny, hot with highs around 100. Heat index values up to 110. $$ TXZ351-240100- Coastal Kenedy- 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight. .MONDAY...Sunny with highs in the mid 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 109. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny with highs in the mid 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 111. .TUESDAY NIGHT...Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .WEDNESDAY...Sunny. Highs in the upper 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. 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 mid 90s. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .SATURDAY...Sunny. Highs in the mid 90s. Heat index values up to 110. $$ TXZ454-240100- Willacy Island- 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 107. .TONIGHT...Mostly clear. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph. Heat index values up to 105 early. .MONDAY...Sunny with highs in the lower 90s. Southeast winds 10 to 15 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Humid with lows in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 105 early. .TUESDAY...Sunny with highs in the lower 90s. Southeast winds 10 to 15 mph. Heat index values up to 109. .TUESDAY NIGHT...Clear. Lows in the lower 80s. Heat index values up to 105 early. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Clear. Lows in the lower 80s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear. Lows in the lower 80s. .FRIDAY...Sunny. Highs in the lower 90s. Heat index values up to 110. .FRIDAY NIGHT...Mostly clear. Lows in the lower 80s. .SATURDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. $$ TXZ451-240100- Kenedy Island- 1241 PM CDT Sun Aug 23 2026 .THIS AFTERNOON...Sunny. Near steady temperature around 90. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 106. .TONIGHT...Mostly clear. Humid with lows around 80. Southeast winds 10 to 15 mph. .MONDAY...Sunny with highs in the lower 90s. Southeast winds 10 to 15 mph. Heat index values up to 107. .MONDAY NIGHT...Mostly clear. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY...Sunny with highs in the lower 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 108. .TUESDAY NIGHT...Mostly clear. Lows in the lower 80s. 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...Clear. Lows in the lower 80s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. Highs in the upper 80s. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear. Lows in the lower 80s. .FRIDAY...Sunny. Highs in the upper 80s. Heat index values up to 105. .FRIDAY NIGHT...Mostly clear. Lows in the lower 80s. .SATURDAY...Sunny. Highs around 90. Heat index values up to 105. $$