A system of low pressure could develop near Florida or off the southeastern coast of the U.S. over the Fourth of July weekend ...

High-pressure system. We saw a couple of these high-pressure systems in the month of September, which is why we saw above average temperatures and below average amounts of rain.

This pattern features a jet stream shaped like the Greek letter omega — Ω — which traps a high-pressure system over the northern Plains, flanked by two low-pressure systems.

High pressure systems are often associated with clear skies and sunshine because the clockwise-circulating systems push air downward, causing winds to blow away from the system’s center.

It's going to be a warm week for our friends in inland areas due to a high-pressure system, but near the coast, marine layer fog will keep areas cool. Temperatures are expected to remain fairly ...

A high-pressure system that brought a historical heat wave earlier this month has reversed course and is tapping on the region's window again, according to the National Weather Service.

High pressure is building across the southeast keeping us dry and very warm. This ridge of high pressure will hold back a strong storm system setting up across the mis section of the country.

High-pressure system to bring early spring heat risk to SF Bay Area. By Olivia Hebert, News Reporter April 9, 2025. A view of Alamo Square Park. Ivo Gabrowitsch/Getty Images.