Major weather threats bring blizzard conditions to U.S. northern tier, early heat wave to the West

A severe weather front has dumped heavy snow on the Upper Midwest, caused thunderstorms in the South and threatens ...

Maps show forecast for extreme heat wave scorching the West

A long-duration heat wave is taking shape over the western half of the U.S. and forecast to stick around in the days ahead.

Rare March heatwave not seen in over 100 years hits North Texas, bringing rising fire danger

North Texas is bracing for rare early-season heat with record highs and increased fire danger expected through the weekend, ...