timmpour is not a Pokemon but if you are talking about Panpour you could evolve him using a water stone into Simipour and if your talking about timburr then its level 30, 35, or 40 i cant remember.
Weavile does not evolve in Pokemon Black.
All the starters evolve in Pokemon Black. Many other Pokemon evolve as well.
Throh don't evolve in Pokemon Black and White.
Audino doesnt evolve in Pokemon black and white
lampent evolve litwick
no it does not evolve on Pokemon black or white
No, Heatmor does not evolve.
Maractus does not evolve.
It doesn't evolve
Durant does not evolve.
No, Cryogonal does not evolve in pokemon black and white
Raticate can not evolve, it is a fully evolved pokemon.