After Being Kicked Out of the Village, I Relied on Precognitive Dreams to Survive

A girl travels back in time to a famine year and is driven out of the village by her family, but she can dream about the disaster three days in advance. The villagers did not believe her at first, but later floods, locust plagues and wars came true one after another. The people who had driven her away could only come back with food and beg her for help.