Predicting the snow line in the French Alps [closed]

I'll be trekking in and around the French Alps in the end of April (around the time the snow is melting). A lot of the trails are going to be snowy at this time, especially above 1000m

I'm not looking for a product recommendation, but where should I start in estimating the snowline at this time of year (this will dictate kit necessary and routes available)?

Some additional notes:

I have considered using temperature, but this will not be reliable (often hot in ski resorts during the day around this time but still plenty of snow).
I realise this will be different depending on the year's snow conditions/temperature/weather

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Predicting the snow line in the French Alps [closed] - Snow Covered Mountain Near Body of Water

How much snow is there in the French Alps?

In general, the average cumulative snowfall at 2000m per season (November to April inclusive) is between 5m and 8m in the northern Alps, and between 3.5m and 5.5m in the southern Alps.

Where is there snow in the Alps now?

Today, around 5-10 cm of snow is generally expected in the northern French Alps (e.g. Avoriaz, 3 Valleys) and 10-15cm (with 20cm in some spots) across the northern Swiss and Austrian Alps (e.g. M\xfcrren, Engelberg, Klosters, Lech, Kaprun).

Where is the best snow in the Alps now?

1. Val d'Is\xe8re/ Tignes, France. L'Espace Killy is often regarded as having the most reliable snow in the Alps, primarily due to the extent of high altitude skiing (60% of its 300km of slopes are above 2500m).

Is it always snowy in the French Alps?

Annual climate and weather in the French Alps This means that in winter, ski resorts in the Savoy Alps, above an altitude of 1500 metres, almost always have snow, often from quite early in the season, particularly if there are prolonged periods of precipitation coming in off the Atlantic.

The onset of a snowy winter in the French Alps

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Images: Tima Miroshnichenko, Marek Piwnicki, Marek Piwnicki, Marek Piwnicki