Houston weather: Cool and breezy Monday morning; afternoon highs near 70

A complete change in our weather pattern is in place for spring break - now, the temperatures aren't going to be frigid, but after three weeks of unusually warm weather, it's finally cooling down. Expect a couple of cooler days to start the week, then a breezy and slight warmer mid-week followed by a line of storms late Thursday and into St. Patrick's Day. We could feel actually chilly air by the weekend. Also, Tuesday is called "Pi Day" because it is 3/14 which is the first three numbers to Pi - the mathematical ratio of a circle's radius and circumference.