Widespread Heatwave Alerts and Drought Crisis in Multiple French Departments Amid High Temperatures

Several French departments are grappling with severe heatwave conditions combined with intensifying drought crises as of August 11, 2026, prompting official alerts and strict water usage restrictions.

The Manche department has been declared in a state of drought crisis, marking the second lowest rainfall since 1976 and an unprecedented early drying of seven rivers. This declaration follows a meeting involving local authorities and water producers to address the alarming water shortages. All sectors in Manche face restrictions on water use, with farmers urged to report drying wells to help crisis management efforts.

In Gironde, the prefecture issued a new decree effective August 12 that tightens water restrictions according to basin conditions. The Chenal du Guaet basin is under 'CRISE' status, imposing bans on watering gardens between 8 AM and 8 PM, filling pools, washing vehicles, and agricultural water use. Other basins in the department remain under varying alert levels, with adapted watering schedules and irrigation limits, while potable water from deep aquifers remains unrestricted but under vigilance due to high demand.

Concurrently, heatwave alerts have been issued across other regions. The Cantal department entered an orange heatwave alert from August 12, with temperatures expected to surpass 35°C. Authorities have alerted mayors and emergency services to protect vulnerable groups including the elderly, young children, pregnant women, and the chronically ill. Public advice includes drinking sufficient water, avoiding peak heat hours outside, and maintaining cool environments.

Similarly, Moselle is under yellow heatwave alert starting August 12, anticipating temperatures up to 36°C. The prefect has activated the departmental heat plan urging vigilance, especially during outdoor events. Recommendations for vulnerable populations emphasize hydration, sun protection, and monitoring for heat-related symptoms warranting emergency response.

These combined heat and drought challenges highlight urgent needs for water conservation and protective measures for at-risk populations amid ongoing climate stress in France’s affected departments.