Another hot one in Tokyo! With the heat index it is 46C!
Our idiom for today is "dust off".
This means to get something from storage that you will be using again in the near future.
Example 1
I'm going to take Spanish class again after 20 years. I will need to dust off all my old text books.
Example 2
Now that summer is almost finished, I will go into my closet and dust off my winter clothes.