ALT National Weather Service Austin/San Antonio forecast graphic titled "Today: Morning Clouds, Hot Afternoon," updated Sep 24, 2026. The background features a scenic river landscape split diagonally, transitioning from a dark, cloudy morning on the left to a bright, sunlit afternoon on the right. Text overlays list regional Forecast Highs: Coastal Plains and I-35 corridor at 95-100°F; Rio Grande Plains at 95-99°F; Hill Country at 91-97°F; and Southern Edwards Plateau at 90-95°F. A note below reads, "Isolated shower/storm possible south of I-10."

ALT National Weather Service Austin/San Antonio graphic titled "Above Average Warmth Continues, But Changes are Coming Next Week," updated Sep 24, 2026. Three 8-day tables display Highs, Lows, and Rain Chances for 15 regional cities, including Austin and San Antonio, from Sep 24 to Oct 1. High temperatures remain mostly in the mid-to-upper 90s through Tuesday, cooling to the mid-80s and low 90s by Wednesday and Thursday. Low temperatures hold in the 70s before dropping into the upper 60s and low 70s late next week. Rain chances stay low at 0-15% until Tuesday, then spike significantly to 30-50% across most of the region on Wednesday before tapering slightly on Thursday.

ALT A tabular weather graphic from the National Weather Service Austin/San Antonio shows forecast highs, lows, and rain chances. Highs are forecast to range from the low to upper 90s and low 100s. Lows in the 70s. Low rain chances through the period favoring the Coastal Plains.