A high pressure system strengthening against the West Coast is bringing well above-average highs to Arizona. The area of high pressure will also keep us dry with no chance for rain in the near future.

Understanding atmospheric pressure is vital, newsroom meteorologist Justin Ballard said, because those giant H’s and L’s representing high and low air pressure systems on a weather map are meaningless ...

High temperatures in the Valley are expected to reach the low 80s this weekend as a strong high-pressure system brings clear skies and a warming trend across the western United States. Clear ...