FXUS64 KSJT 211123 AFDSJT Area Forecast Discussion National Weather Service San Angelo TX 623 AM CDT Sun Jun 21 2026 ...New AVIATION... .KEY MESSAGES... - Hot and humid conditions return for Sunday and Monday, with heat index values again climbing to near or above the 105 mark in some areas. A Heat Advisory is in effect for portions of the Concho Valley and the Big Country on Sunday. - Low chances (20 to 30%) for scattered storms Monday night across the Big Country. Locally gusty winds and heavy rainfall will be the main concerns. - Mainly dry conditions Tuesday through the end of the week, with above normal temperatures through the period. && .SHORT TERM... (Today and tonight) Issued at 143 AM CDT Sun Jun 21 2026 High pressure starts to build across the region bringing hotter and drier weather across our area. Highs will continue on an upward trend today. Most locations will be in the middle 90s to 103 degrees this afternoon. Heat index values (what it feels like) will range from 98 to 106 degrees this afternoon. A Heat Advisory will be in effect from 1 PM this afternoon to 10 PM CDT this evening. && .LONG TERM... (Monday night through next Sunday) Issued at 1138 PM CDT Sat Jun 20 2026 Hot and humid conditions are in store for Monday, with afternoon highs ranging from the mid 90s south, to the upper 90s to near 104 across portions of the Big Country and Concho Valley. Heat index values are forecast to exceed 105 degrees (105 to 107 degrees) where the hottest temperatures are expected, and a Heat Advisory will likely be needed for portions of the Concho Valley and Big Country Monday afternoon. A stalled frontal boundary will be draped across north Texas/southern Oklahoma Monday into Tuesday. There is a low chance (20 to 30%) for showers and a few thunderstorms across the northern Big Country mainly Monday evening. Otherwise, the rest of the week will be hot but not quite as humid, with above normal temperatures, as upper level high pressure expands across West Texas. Given slightly drier conditions, heat index values should remain below advisory levels through Friday. Temperatures warm a bit more by next weekend, which may result in the need for additional Heat Advisories for portions of the area. && .AVIATION... (12Z TAFS) Issued at 620 AM CDT Sun Jun 21 2026 Recent (as of 1120z) satellite imagery and ASOS observations show patchy areas of MVFR ceilings across the region this morning. Much of this activity should dissipate quickly leaving VFR conditions in place this afternoon and evening. Gusty winds are likely to persist through the afternoon and evening hours. && .PRELIMINARY POINT TEMPS/POPS... Abilene 96 77 99 76 / 0 0 10 10 San Angelo 96 76 100 76 / 0 0 0 0 Junction 92 75 95 74 / 0 0 0 0 Brownwood 93 77 96 75 / 0 0 0 0 Sweetwater 100 77 102 77 / 0 0 0 10 Ozona 92 74 97 74 / 0 0 0 0 Brady 92 75 95 74 / 0 0 0 0 && .SJT WATCHES/WARNINGS/ADVISORIES... Heat Advisory from 1 PM this afternoon to 10 PM CDT this evening for Coke-Fisher-Haskell-Irion-Jones-Nolan-Shackelford-Sterling- Taylor-Throckmorton-Tom Green. && $$ SHORT TERM...41 LONG TERM....24 AVIATION...41