Weather on completed flight map ??

I searched and could not find the answer…

When looking at a completed flight, the weather (rain) shown on the map is from when ?
As in, is it from the end of the flight, beginning, current ?

I have often wondered, but prompting this today are the two accidents, Georgia to Texas and New Jersey to Georgia.
Me being in Georgia there has been quite a bit on the news.
Thanks Tony

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