After a chilly and wet Thanksgiving, San Antonio can look forward to a weekend with some rain showers and below normal temperatures. Friday night anticipates low temperatures in the mid-40s and a 30 percent chance of showers after 3 a.m., according to the National Weather Service. Winds will blow at about 5 mph. Overnight showers will lead into rainy and brisk Saturday, with an 80 percent chance of precipitation. Forecasters don't anticipate flooding, but expect about a quarter and a half of an inch of rainfall.