An atmospheric river that has brought multiple rounds of heavy rainfall and strong winds across the U.S. is shifting later this week.

Double-digit rainfall totals are forecast, prompting the National Weather Service to issue flood watches from Wednesday into Saturday. Serious flash flooding and flooding of rivers, creeks and streams can be expected.

Here are some online tools if you don't already have them in your back pocket so that you can stay weather-aware on all fronts including flooding.

As Nashville braces for more severe weather through the weekend, those with homes in a floodplain face the highest risk of dangerous flooding.

Homeowners can now make monthly flood insurance payments without being charged an extra fee. The change is aimed at increasing the number of homes covered by flood policies. Policy participation has been declining in recent years even as more people move to flood-prone areas and natural disasters increase.

Sometimes you'll hear the phrase "100-year flood." Here's how meteorologists define that term and how to see if you live in a flood plain.

Many Nashville-area rivers are at risk of flooding this week due to heavy rain on the forecast. Some could experience moderate to major flooding, reported the National Weather Service.

U.S. homes with major wind risk — a risk score of 5 or more in First Street data displayed on for-sale listings on Zillow — are worth at least $17 trillion, homes with major risk of fire are valued at $9.1 trillion and homes with major flood risk are valued at $7 trillion.