Ah, so that's where the storm went that we were hearing about over here. We never got anything from the storm except a bit of wind.
I was wondering about the same question a while back when I was first deciding on getting a snake, but then I realized my house is usually in the high 70's all year round(even in the winter it doesn't get too cool in our house), and if it gets too cool, I'd just hold the snakey under my shirt and use my body heat to keep her comfy until the hydro comes back on.