A blog for our house!
Most root veg will survive, even if the tops scorch, so beets, spuds etc should do OK. Good luck in that heat and keep your fluids up. It's 32 here in Tassie and that's more than plenty for me.
p.s. you could cover your worm farm with wet newspaper or rags to help keep them cool.
Sorry to read that you too had worm losses.