Shame there's not a french forum to see what the locals are up to. I wonder if it'd be a bit warm there even if it was snowy, I've had similar conditions in the Peak, snow everywhere but too hot to climb. Lots of south facing stuff there.
I've managed to get through some long stints of bad weather in Font, helps if you have projects at somewhere quick drying like Rempart. Where are you planning on staying in Targ? If you don't know about the really picturesque free spot where people van camp then let me know and I'll message you a google maps link.
Also, food is cheaper in lidl but you can go and sit in super u and get free (slow) internet.