A Johns Hopkins study reveals slight arm-position changes during blood pressure tests can falsely elevate readings.

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the ...

A tropical wave is moving across the eastern Caribbean. Its axis is along 65W/66W from 16N southward to central Venezuela, moving westward at around 15 kt. Convection is limited near the wave axis. A ...

A steep pressure gradient will tighten along the California coastline, generating moderate gale-force to fresh-gale force (32 ...

The stronger the pressure gradient becomes, the stronger the wind. A fundamental fact in physics is that a fluid will flow from high pressure to low pressure. Recall that hot air rises and cool ...

While most of the area will stay dry, tonight there’s a chance for isolated showers or storms to form this afternoon and ...

It's another toasty day here in the Coachella Valley, but not as hot as the previous few days. Temperatures are on a downward ...

The fire danger is as significant as it has been at any time this year, and it prompted PG&E to shut off power to some Bay ...

San Francisco has now recorded below-normal high temperatures 12 days in a row. That streak is unlikely to be snapped anytime ...

Have you ever wondered how a tiny, almost invisible force can shape the weather you wake up to each morning? Air pressure, ...

Heat Advisory for the Columbia Basin, Kittitas & Yakima Valley, and the Columbia River Gorge from 11 AM to 9 PM ...

Multiple, large-scale atmosphere-oceanic and local factors developed and favoured the early monsoon onset this year. Here is what to know.