High temperatures in the mid- to high 70s will be from 15 to nearly 20 degrees above normal today. South winds will gust up to 25 mph. Wednesday, a cold front will turn winds from the north 5 to 15 mph, and high temperatures will return to normal near 60 degrees. Showers will begin Wednesday night, and rain and possibly a few thunderstorms are expected Thursday. Much colder air will arrive Thursday and keep high temperatures well down in the 40s through the weekend.