A dangerous "heat dome" is expected to impact millions of Americans this week and into the Fourth of July holiday weekend.

Monday will be a little warmer with a chance of isolated thunderstorms in the Sierra, especially near Tahoe and southward.

Sunday will bring a noticeable shift in the weather, with a warmer, more humid feel settling in before an even more intense ...

After two full weeks of comfortable to chilly conditions around Chicagoland, Sunday will bring a noticeable shift in the ...

With summer patterns running up to four weeks behind schedule, meteorologist Don Day urges growers to plan in short windows for the second half of the growing season.

Mostly clear skies are present, but storms to the northeast have left behind more damp air in the Northeast Plains, ...

Regardless of whether a tropical storm forms, flooding, damaging winds and rip currents are expected with what could become Tropical Storm Arthur.

Regardless of whether the would-be Arthur gains purchase, areas of southern and eastern Texas and portions of Louisiana and ...

Add Yahoo as a preferred source to see more of our stories on Google. Forecast jet stream winds for next week. The colors show wind speed, with green, yellow and orange indicating the strongest winds.

Central Scotland The Met Office has forecast highs of 21C in southern regions on Wednesday, with temperatures reaching 19C further north. Similar conditions are anticipated throughout the remainder of ...

The omega block is a weather term that describes the shape of the jet stream in the northern hemisphere: a curved upside-down ...