France is preparing for a significant heatwave, with temperatures forecast to reach 40 degrees Celsius (104 Fahrenheit). Twenty-six departments have been placed on orange alert, the second-highest level, indicating a high risk. Authorities are considering adjustments to school exam schedules due to the extreme heat. Railway services have been disrupted, with some train routes cancelled as a precautionary measure to ensure track safety. The heatwave is expected to be prolonged, raising concerns about its impact on public health and infrastructure. Residents are being urged to take precautions, including staying hydrated and avoiding strenuous activity during peak hours.