
ALT An National Weather Service infographic warns of heavy rain and flash flooding in South Central Texas from Sept 30 to Oct 3, 2026. Four outlook maps highlight a Level 3 of 4 threat on Oct 1. Expected rainfall totals are 2โ4 inches, with isolated amounts up to 8 inches.

ALT A weather forecast table for South Central Texas spanning September 30 to October 6, 2026. The chart lists fifteen citiesโincluding Austin, San Antonio, Del Rio, and New Braunfelsโshowing daily Highs, Lows, and Rain Chances. A headline reads, "A Final Day of Hot and Humid Weather; Then Stormy & Cooler with Heavy Rain & Flooding Possible." The data indicates temperatures peaking on Wednesday, September 30 (with highs ranging from 89 to 98ยฐF), followed by a notable cooling trend and high chances of rain (up to 95%) on Thursday and Friday.

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 95-100ยฐF; Rio Grande Plains at 95-99ยฐF; Hill Country at 91-97ยฐF; and Southern Edwards Plateau at 90-95ยฐF. 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.























