Lyon sits at the confluence of the Rhône and Saône rivers and has a semi-continental climate with around 830 mm (about 33 inches) of rain a year, fairly evenly spread across the seasons with a slight summer peak from convective thunderstorms. Its inland position between the Massif Central and the Alps means it can see intense, localized storms build quickly in warm months, sometimes bringing hail. The city’s river confluence has a long history of flooding during periods of sustained heavy rain upstream, though modern flood defenses have reduced the risk considerably. Because thunderstorms here can develop with little warning, radar remains a useful real-time check in summer. Météo-France operates the national weather radar network.
Learn more: How Does Rain Radar Work? · Open the full Rain Map
Frequently Asked Questions
Is it raining in Lyon right now?
The live radar map above shows precipitation over Lyon, Auvergne-Rhone-Alpes in real time. Blue shades indicate light rain, while yellow, orange, and red mark heavier downpours. If no colored echoes appear over Lyon, no significant rain is currently being detected.
How often does the Lyon rain radar update?
The radar refreshes continuously, typically every few minutes, so the map reflects current conditions rather than an hours-old forecast. Press play to animate the most recent frames.
Can I see if a storm is heading toward Lyon?
Yes. Press play on the radar to animate the last few hours of rainfall and watch which way rain cells over Auvergne-Rhone-Alpes are moving – the clearest way to judge whether a shower will reach Lyon or pass by.
Is this Lyon rain radar free to use?
Yes, completely free – no account, app download, or sign-up required. It works in any browser on desktop and mobile.