The heat is now hitting the country's dairy herds, with cows producing less milk as they burn extra energy to stay cool.
The Swiss Farmers' Union says cattle enter serious heat stress at 25 degrees, and severe stress above 28.
Farmers are running fans and misters in barns, keeping herds indoors during the day and drawing on winter hay stocks weeks early.
Heat to stay for now
The heatwave alert has been extended until Thursday, with temperatures set to climb as high as 37 degrees in some areas.
Growing anger over World Cup red card
The Swiss team's manager, Murat Yakin has called Breel Embolo's red card 'unacceptable', as anger builds over the refereeing of Switzerland's World Cup quarter-final loss to Argentina.
Fire damages trees in the Jardin Anglais
A fire tore through part of Geneva's Jardin Anglais on Saturday morning, gutting several trees and damaging a lakeside building used by the Mouettes ferry service.
Lake Geneva nudists fight for their lake section
A hidden stretch of Lake Geneva shoreline has become the focus of a long-running battle over public nudity.
Holiday makers seek more than the sun
Nearly half of Swiss holidaymakers are choosing to learn a new skill on their summer break rather than simply lie on a beach.
Heat kills more than the roads
Heat now kills more people in Switzerland than road accidents.
