Here's the latest forecast for the front of the race from UBIMET: 'The high pressure prevails, so several sunny days await the athletes. Only a few harmless clouds in the higher parts of the atmosphere will pass over the French Alps. During the day, temperatures of up to 36°C are possible in the main valleys. At the coast, a southerly sea breeze will establish after 10am with gusts of up to 30kph.' Picture: zooom / Vitek Ludvik.