Rhône and Saône Rivers on Alert in Lyon Following Prolonged Rainfall

Lyon remains on alert for potential flooding as the Saône and Rhône rivers continue to experience high water levels following weeks of heavy rainfall. While the Saône River has begun a slight decline, precautionary measures remain in place, including the closure of lower ports to mitigate risks.

Current Situation: Saône and Rhône River Levels

As of February 19, 2026, the water level at the La-Feuillée bridge on the Saône River is 3.47 meters, having previously exceeded 3.50 meters earlier in the week. A yellow alert for “low” flood risk remains in effect according to Vigicrues.

The alert likewise extends to the Rhône River, specifically the section upstream of the Isère, due to the sustained period of heavy precipitation. Vigicrues provides detailed information on river conditions by sector, including the Rhône amont-Saône area.

Precautionary Measures in Lyon

The City of Lyon is maintaining precautionary measures to limit the risks associated with rising water levels. These measures include the closure of lower ports. Authorities are urging residents to exercise caution near riverbanks and areas typically affected by flooding.

Weather Forecast and Outlook

A period of calmer weather is anticipated between February 21 and February 25, which may allow for gradual stabilization of river levels. Though, forecasts indicate a potential return to unsettled weather conditions towards the complete of February.

February 2026 is already shaping up to be one of the wettest Februarys on record, necessitating continued monitoring of waterways to prevent flooding.

Regional River Monitoring

Vigicrues provides real-time monitoring and forecasting of flooding risks on major French rivers, including the Rhône and its tributaries. The service offers access to river conditions by sector, covering areas from the Rhône valley to the Alps. Specific areas under surveillance include:

• Savoureuse
• Allan
• Doubs (upstream of the Arcier)

Resources for Information

• Vigicrues – Rhône amont-Saône
• Sentival – Rhône River (Lyon)
• Tribune de Lyon – Rhône and Saône River Flood Update