Help me render a loop of niagara rain in ue5

Im new to ue5 , created a environment by following tuts.

Video i made so far:-Imgur: The magic of the Internet

can’t figure out how to render niagara falls in a loop way like. i want to start a channel on yt with relaxed music and stuff for an hour.

here is sequence im trying but rain starts only from start of render not before , so i can’t loop this :Imgur: The magic of the Internet

Any help is much appreciated.