3 3 it s going to be hot, hot, hot . today.a heat advisory will go into effect in just tto the day. day.tom rodgers is here with more on how dangerous the heat can be along with today s other top storiee.tom? the heat has gone from uncomfortable. to dangerous. 5 more deaths in maryland are being attributed to this latest heatwave, which means seeking relief is a must. must. joel d. smith is live at ooe of the cooling centers in baltimore with some ways to cope a little better in this awful heat. good morning joel d. how hot is it already? already? 3 3 3 3 a masssve watermain break &pdowntown is still causing problems this morning. and now it looks like repairs will take nearly a month. the water was gushing from the pavement near light and lombard streets just before rush hour n monday evening. now crews must reelace two aging pipelines. the oldest one was installed in 1889. it s estimated the work will take three weeks.in tte meantimm. the city was able to create a temporary