South-Central Texas Weather Alert: Breezy 70°F Today, I-35 Heat Surge and Storm Risk by Midweek

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Texas skies hang gray early, but a steady warm push is already underway across San Antonio as clouds begin to thin and winds shift. The air feels mild now, yet a rapid climb toward summer-like heat is just hours away.

According to the National Weather Service, highs will reach near 70°F today with northeast winds between 10 and 15 mph and gusts up to 25 mph . Roads along I-35 and Loop 410 remain dry, though breezy conditions could impact high-profile vehicles through the afternoon.

By Sunday, sunshine returns and temperatures jump into the mid-80s across San Antonio, New Braunfels, and Seguin. The warming trend accelerates into Monday and Tuesday, with highs pushing 89°F to 91°F. It will feel noticeably warmer by Tuesday afternoon, especially on pavement-heavy corridors and construction zones.

Winds remain steady out of the south by early next week, pulling in more humidity. That sets the stage for midweek changes. By Wednesday afternoon, scattered showers and a few thunderstorms begin to develop, with rain chances around 20 to 30 percent.

Drivers along I-10 and Highway 281 should stay alert midweek as brief downpours could reduce visibility quickly. Plan ahead now while conditions are quiet.

Looking ahead, above-normal warmth continues into early April, reinforcing an early-season heat pattern across South-Central Texas.

Five Day Forecast for San Antonio, Texas:
Saturday: Mostly cloudy, high near 70°F
Sunday: Becoming sunny, high near 84°F
Monday: Mostly sunny, high near 89°F
Tuesday: Partly sunny, high near 91°F
Wednesday: Slight chance of storms, high near 91°F