Halloween marks a tricky time of the year when it comes to the weather. As our chief meteorologist Bernadette Woods Placky explains, you have to consider this month's weather extremes and climate trends in order to pick a costume that's not going to leave you neither freezing nor sweating.

Remember the night you spent sweating in your Chewbacca costume because you expected Halloween to be colder? Well, that may start to happen more often. When Halloween comes around, it can be difficult to forecast the weather. Fall days are often unpredictable year to year. It’s a season of transition and unstable weather. One year may be

What a difference a year and a shift in weather patterns makes: This time last year, drought was spread across the entire Pacific Northwest, but a spate of storms has wiped out much of it and could give cities like Seattle and Portland their wettest Octobers on record. The shift in weather fortunes could be related to an emerging La Niña. How clim

While the weather catchphrase of recent winters was the shiver-inducing polar vortex, the buzzword for this winter in the U.S. will be drought. Significant droughts are already in place over nearly 45 percent of the contiguous U.S., with hotspots in California — where the drought is in its sixth year — the Southeast and Northeast. With the renewed