From CBS:
A NEXT Weather Alert remains in effect until 7 p.m. Tuesday as dangerous heat built up across South Florida, with feels-like temperatures that climbed well above 100 degrees. A west wind was keeping the metro area under the heat Tuesday, preventing the ocean breeze from developing along the coast. Without that daily cooling influence, temperatures soared well into the 90s on Tuesday afternoon.
Miami officially hit 100 degrees on Tuesday afternoon, which tied the hottest temperature ever recorded in Miami.