With the "polar vortex" bringing frigid temperatures across the country, going outside isn't just uncomfortable — it can be downright dangerous. The temperature will drop to -25 F in Fargo, N.D., -31 ...

THIS temperature chart, which by the way should have been accompanied with some explanatory remarks, has been issued by the Smithsonian Institution. The isothermals are given for every 4° F., ...

With a massive snowstorm about to hit the Northeast, going outside isn't just uncomfortable — it can be downright dangerous. The storm, known as Winter Storm Jonas, is expected to bring heavy snow, ...

Hot weather and light winds have rapidly warmed the surface waters on the Great Lakes. The graphs of surface water temperatures are almost off the charts. Here’s a series of graphs comparing the ...