the rivers are busting out of their banks and the ground is saturated.
the grass is growing extremely fast and it is probably very difficult keeping it cut between rains, but it is very important that the grass gets mowed before it gets out of hand. cutting too much off a lawn can damage it and cause disease and fungus problems.
the soil is so saturated that the surface cannot dry out. this can also cause disease and fungus problems. there is no need to water yet this year. the rain has provided more than enough water for your lawn. i have seen some places watering and this over watering can drown 