That's not long at all for a short sale. I have clients that waited for 6 months, to later pull out of the contract. Good things come to those who wait.

Connie Luce, Certified Builder Specialist
FLUENT IN ENGLISH / SPANISH
Multi-Million Dollar Producer
RE/MAX Experience

Perhaps this overview of the short sale process will be helpful..
http://localism.com/blog/il/posts/608336/Steps-to-completing-a

Here is a blog I found dealing specifically with Wells Fargo
http://charlottehousehunter.wordpress.com/2008/03/25/short-s…

A mortgage broker can't lock a loan unless you have an executed contract between the seller and buyer.
http://www.lynn911.com http://www.homes-for-sale-dallas.com

Definitely be prepared to wait on the short sale. I would talk with your loan officer about a lock, however. If you are working with a broker, it may be very possible to get a 60 day lock now to protect you if the market goes up (in case the deal gets worked out in the next couple of months) and if the rates drop, they might be able to obtain a new lock with a different lnder at the lower rate. Also, if the 60 day lock is going to expire prior to working out the deal, they could simply get you another 60 lock with another lender at the going rate or look at extending the current rate if the market is up. The ability to do this will vary based on the type of loan you are pursuing/qualified for.

Extremely Normal- for short sales.
And Wells Fargo is one of the quicker lenders.

Be prepared, it might take a while.