Set during the record hot summers of 2004 and 2012, the play pits a scientist named John Bjornson against his twin sister, Jeanne, in a no-holds barred struggle over land ownership and the future use of their family’s wilderness estate. “Extreme Weather” was developed by theater three collaborative, in a series of readings and workshops at the Cherry Lane Theater. The producers feel that, as opposed to 2014, when climate change was more theoretically foreseen, “Extreme Weather” is now a play whose time has come. “The play is no longer bringing the news,” says playwright Malpede, “it is only reflecting it.”