May 26, 2015 7:15 am NBC10 First Alert Weather: Heating Up Tuesday could be our hottest day of the year with temperatures reaching close to 90 degrees. US & World Videos 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend 3:05 Temperatures to heat up over the weekend 2:05 Warming into the 80s by weekend's end 2:09 Big weekend warm-up expected