President says he could take grant money from Harvard, a week after his administration blocked institution from enrolling foreign students

This year’s summer months promise to be among the hottest on record across the United States, continuing a worsening trend of extreme weather, and amid concern over the impacts of Trump administration cuts to key agencies.

The extreme heat could be widespread and unrelenting: only far northern Alaska may escape unusually warm temperatures from June through August, according to the latest seasonal forecast from the National Oceanic and Atmospheric Administration (Noaa).