Itâ€™s going to be a cool spring day, but an upper air disturbance will bring showers and thunderstorms to East Texas during the afternoon. Highs today will be near 58 degrees. South to southeast winds of 15 to 20 mph will continue through Thursday, and so will the chance of thunderstorms. Some of them could become severe north of I-20. High temperatures will return to the mid-70s Thursday and continue there through the weekend.