Frequent intermittent loss of internet in our neighborhood

We have been experiencing frequent (perhaps once every 1-2 hours) brief loss of internet service. Checked with a couple of neighbors, and they have been experiencing the same. There was a reported outage yesterday, when it was much more severe (every 15 minutes for several hours). But the problem continued last night, after the outage was reported as cleared. And continues today.

This problem also seems to occur every few months, and then gets better, then recurs again. It does seem to be worse in windy or rainy weather, but does not seem to be due to trees or debris on lines (the problems are not coincident with power outages).

Would it be possible to get some deeper diagnosis of the network infrastructure in our area to see what might be happening? Perhaps a detailed report on yesterday's outage to see if there is already a diagnosis and a plan that we're unaware of?

Thanks much.