Many MS counties are under heat advisory. NWS says parts of the state can expect heavy rain from a tropical weather system this week. What to know ...

Have you ever wondered why some river valleys seem to have weather that dances to its own tune? From sudden fog banks rolling ...

The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific. La Niña is marked by cooler-than-average ocean water in the region. It is one of ...

Brian Wheeler, director of Save Wild Trout, recently documented extensive algae blooms on the Big Hole, Jefferson and Boulder ...

The Mississippi River crested in New Orleans this week, capping an anxious period for the engineers and residents who live alongside it.

The Mississippi River is considered the most endangered in the U.S. due to uncertainty over the Federal Emergency Management Agency's future.

How big is the Mississippi River Basin? The Mississippi River basin encompasses parts of 31 states and two Canadian provinces and is over 1,245,000 square miles in size.

Cuts to FEMA could have lasting effects for the Mid-South due to flooding along the Mississippi River, a new study shows.

The focus of the visit was the algae bloom that occurred in the Mississippi Sound after the Corps of Engineers opened the Bonnet Carre Spillway in Louisiana to prevent flooding.

But what is an atmospheric river? Here's a look at the upcoming weather patterns in Reno and Lake Tahoe as well as the weather terms you might hear in the upcoming days. What is an atmospheric river?

Flood control along the Mississippi River is a central piece of a newly passed federal law — work that advocates believe is critical as the river basin sees more frequent and severe extreme weather ...