A river of fast air circles the planet near the top of the troposphere, bending north and south as it goes. Its changing route helps determine whether a region receives a procession of storms, a surge ...

From ocean temperature anomalies to the split-flow jet stream, learn how El Niño is setting the stage for winter. Find out ...

Network-wide coverage, immersive explainers and a deep bench of meteorologists will help Americans prepare for what ...

The World Meteorological Organization says an El Niño is "characterized by unusually warm ocean surface temperatures in the ...

The summer of 2025 brought unprecedented flash flooding across the U.S., with the central and eastern regions hit particularly hard. These storms claimed hundreds of lives across Texas, Kentucky and ...

How cold? Will there be snow? And what will the morning drive look like? This year, part of that answer is already developing ...

Meteorologist Justin Rudicel explains how the jet stream forms, why it shifts throughout the year and how it influences everything from severe storms to summer heat in Oklahoma. The jet stream is one ...

While tornado activity is most prominent in the springtime, autumn can bring a secondary peak — and the twisters can be even ...

What is an omega block? A jet stream pattern that pins high pressure over Indiana and sends storm systems around us. Here is ...

GLACIER NATIONAL PARK, Mont. — One day it’s warm and sunny, the next it's cold and wet. If it feels like western Montana’s weather can change on a dime this time of year, there’s a reason. A ...

Storm Bóelo swept across parts of the UK with powerful winds, heavy rain and transport disruption. The storm's development ...