Area Forecast Discussion
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
503 FXUS64 KBRO 091136 AAA AFDBRO Area Forecast Discussion...UPDATED National Weather Service Brownsville TX 536 AM CST Tue Dec 9 2025 ...New AVIATION... .KEY MESSAGES... Updated at 531 AM CST Tue Dec 9 2025 - Sunny skies and gradually warmer temperatures are forecast through the remainder of the work week. High temperatures likely return to the low 80s by Wednesday. - A cold front looks to arrive over the weekend, increasing rain chances to 20-30% Friday night through Sunday, and cooler temperatures possible Sunday. && .DISCUSSION... Issued at 1030 PM CST Mon Dec 8 2025 Mostly sunny skies look to continue for the remainder of the work week. Winds will likely shift southerly Tuesday afternoon, allowing for a gradual warming trend through the remainder of the week. High temperatures will likely rise from the 70s on Tuesday into the 80s for the remainder of the week. Likewise, low temperatures are forecast to rise from the 40s tonight into the 60s by the weekend. A weak cold front looks to approach the region Wednesday night, likely stalling as it moves through the CWA before rapidly retreating back to the north on Thursday. This front wont likely have much impact on rain chances or cloud cover, and the impacts on temperatures will likely be minimal. Locations to the north of the front may see high temperatures a couple degrees cooler than locations south of the boundary Thursday afternoon. These high temperatures will likely range from the upper 70s to low 80s. A stronger front looks to move through the area over the weekend, bringing increased cloud cover and rain chances beginning Friday night and cooler temperatures early next week. Rain chances look to increase to around 20-30% Friday night through Sunday. && .AVIATION... (12Z TAFS) Issued at 531 AM CST Tue Dec 9 2025 Clear skies with light and variable winds prevail across Deep South Texas early this morning. Light north to northeast winds this morning will become east to southeast this afternoon. VFR conditions are expected for the next 24 hours. && .MARINE... Issued at 1030 PM CST Mon Dec 8 2025 Generally favorable marine conditions are forecast to continue through the period. Light northerly winds will continue tonight before shifting to the southeast Tuesday afternoon. Light to moderate southeasterly winds will then likely continue into the weekend. Seas will continue to subside tonight, with 2-3 foot seas likely Tuesday. Slight seas look to then continue into the weekend. Another cold front looks to move through the area over the weekend, likely bringing light to moderate northerly winds and moderate seas. Rain chances also look to increase to around 20-40% this weekend. && .PRELIMINARY POINT TEMPS/POPS... BROWNSVILLE 74 58 81 62 / 0 0 0 0 HARLINGEN 74 52 82 57 / 0 0 0 0 MCALLEN 75 56 84 59 / 0 0 0 0 RIO GRANDE CITY 74 52 82 54 / 0 0 0 0 SOUTH PADRE ISLAND 69 64 76 67 / 0 0 0 0 BAYVIEW/PORT ISABEL 72 57 80 60 / 0 0 0 0 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...None. GM...None. && $$ SHORT TERM...60-BE LONG TERM....60-BE AVIATION...63-KC