SAN ANGELO, TX — Low to medium chances of showers and thunderstorms return to West Central Texas from Wednesday into Thursday night, the National Weather Service said Monday, as an Extreme Heat Warning remains in effect for much of the region. Probabilities range from 20% to 50%, with the highest odds Thursday afternoon and evening. Junction reaches 50%, while Brownwood, Coleman, Ozona, San Angelo and San Saba hit 40%. Abilene peaks at 30%. Lea…