Area Forecast Discussion
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
496 FXUS64 KHGX 111752 AFDHGX Area Forecast Discussion National Weather Service Houston/Galveston TX 1252 PM CDT Mon Aug 11 2025 ...New DISCUSSION, MARINE... .KEY MESSAGES... Issued at 1251 PM CDT Mon Aug 11 2025 - Daily chances for isolated to scattered showers and storms continues throughout the forecast period with the highest chances generally along and south of I-10. - Temperatures slightly above seasonal norms, but not too far off. - Increasing temperature trend possible later in the weekend into early next week. && .DISCUSSION... Issued at 1251 PM CDT Mon Aug 11 2025 Morning convection across southern parts of the area temporarily stabilized things, but with ample moisture, some sunshine, and weak seabreeze I suspect we`ll see some additional isolated to scattered activity reemerge this afternoon. With general troffiness/weakness in place aloft (sandwiched between ridging to our west & east) for the next several days, we should have continued chances for some diurnally driven shra/tstms each day thru the remainder of the work week. Ridge to our east strengthens and gradually expands into the region this weekend. Increased subsidence will eventually suppress rain chances and allow for a bump in daytime highs. 47 && .AVIATION... (12Z TAF Issuance) Issued at 608 AM CDT Mon Aug 11 2025 Thunderstorms that developed overnight along the I-10 corridor has helped to "work over" the atmosphere a bit near IAH/HOU/SGR leading to a decrease in activity currently with most thunderstorms developing near the coast. VCTS will continue to be possible at GLS and LBX through the morning, but isolated thunderstorms may begin to redevelop along the I-10 corridor this afternoon thanks to daytime heating and a gradual return of moisture. Winds will by gusty near any storms that develop. Any activity over land will end by sunset, then additional showers and storms may re- develop over the Gulf water late tonight into early Tuesday. Otherwise, VFR conditions will prevail with light/variable winds during the overnight and morning periods, then becoming predominately southeasterly during the afternoons. Some patchy fog is possible near CXO, LBX, and SGR near sunrise Tuesday. Fowler && .MARINE... Issued at 1251 PM CDT Mon Aug 11 2025 No real changes. Wind flow was disrupted by morning convection, but should continue swinging back around to the east & southeast as the day progresses. Otherwise, continued light winds and low seas. Primary marine issue should be the scattered late night thru late morning showers and storms over the waters. 47 && .PRELIMINARY POINT TEMPS/POPS... College Station (CLL) 76 96 75 96 / 20 20 10 20 Houston (IAH) 78 95 78 95 / 10 30 10 30 Galveston (GLS) 82 92 83 92 / 20 20 20 30 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...None. GM...None. && $$ DISCUSSION...47 AVIATION...47 MARINE...47