St. Louis High for Monday 52, Low 31, Precip. -0-….High pressure locked-in….St. Louis Overnight: clear & cold, Low 30.  Tuesday:  mostly sunny sunny & mild again,  Wind SE 10-15,  High 54, Low 35.  Wednesday:  increasing clouds, High 57…  Thursday: rain likely, cooler, High 48….Complete graphics and forecast on Channel 11 & Facebook & Twitter at John Fuller on KPLR