April ended with record heat and only a trace of rain for the month, intensifying a drought for the Sarasota-Bradenton area, but the National Weather Service forecast more seasonable temperatures and chances for rain this week. The forecast calls for a 40 percent chance of rain Tuesday, with a high of 85 — close to the normal of 83 degrees for this time of year. Thursday’s forecast calls for a 50 percent chance of rain, followed by a high Friday of just 78 as a cold front moves through the area. By…