I am having this same problem today, after I saved my work from a flight yesterday.  Today, I tried to pick up where I left off, and my FSX keeps giving me a CTD with error module beling listed as weather.dll.  This also happened to me a couple months ago when I was doing a flight from Los Angeles to Hawaii's Big Island.  I use FSGlobal Real Weather.

Split from topic with same subject.  The second CTD during flight to Hawaii had the weatherdll as the cause?

I tried these steps, as the guide suggested, but it didn't help, so I had to delete my saved work and start over:

"Delete wxstationlist.bin (in sim’s main folder in the Weather folder and in the same
hidden folder where the sim’s config) and default .wx (in the Documents\your flight
simulator files folder) associated with your default flight (usually ‘Previous Flight.wx’.
They will be rebuilt."

I have not tried this, because I am not sure that these instructions apply to my FSGlobal Real Weather engine:

"If you have a commercial weather program that has cloud textures or a program that
furnishes cloud textures such as REX, FEX:
Try lowering settings in REX/FEX and DX5 compression and lower textures to 512 or 1024.
This coupled with high settings in your respective simulator’s settings may
produce this crash.
If you have texture programs like REX/FEX, try reinstalling the theme or textures.
you selected."

 

37 minutes ago, epopchock said:

Delete wxstationlist.bin (in sim’s main folder in the Weather folder and in the same
hidden folder where the sim’s config) and default .wx (in the Documents\your flight
simulator files folder) associated with your default flight (usually ‘Previous Flight.wx’.
They will be rebuilt."

These steps worked for others who had a similar problem.  The guide searches the Internet and looks for solutions and these solutions were found.  Why they do not work for you is strange but there are a lot of "solutions" in the guide that don't work for everyone.  Instead of deleting the files as suggested by the guide, can't you rename the files to something like default.wx.off, wxstationlist.bin.off, etc., and then, if it does not repair your issue, then you can rename them back by removing the .off?

I will definitely try that next time this problem occurs.