News10NBC will unveil its eclipse forecast at 4 p.m.; How accurate are models for 10-day forecasting?

How accurate are 10 day forecasts?

Updates on local, state and national News are detailed by the News10NBC Morning Team, along with traffic, sports and the weather forecast.

ROCHESTER, N.Y. — News10NBC will unveil its forecast for the total solar eclipse on Friday, 10 days ahead of the big day. Tune in at 4 p.m.

How well can models forecast 10 days out compared to a week out? How about compared to three days out? First Alert Meteorologist Alex Bielfeld explains.