Forrmula that adds up the next 12 days in column based on current date

Hi All

Newbie on here so any help would be appreciated.

Column A has dates up to the end of the year.
Column B has a forecast up to the end of the year

What i am trying to do is find a formula that adds up the next 12 days in column B based on the current date automatically.

I have tried Sumif but can not get it to work. I have added the worksheet which hopefully makes it easier to understand.

Please help

This is what i have so far however it adds up the whole column form todays date. Only need next 12:

=SUMIF($A$2:$A$143,">"&TODAY(),B2:B143)