Alex Sosnowski

As Josephine departs by way of the North Atlantic into the weekend, a new tropical threat may arise farther south with building seas, surf and other coastal concerns from Florida to the Carolinas through next week.

Rain and thunderstorms could disrupt Halloween trick-or-treating across parts of the southwest and central US, while much of the East stays dry. Find out where chilly weather may require extra costume layers.

A tropical or subtropical storm could form near Florida and the Bahamas before Halloween, while rough surf, coastal flooding and beach erosion threaten the immediate southern Atlantic Coast regardless of development.

The Atlantic could have at least one more late-season trick up its sleeve ahead of Halloween

Vance briefly strengthened into a major hurricane and will track north with a landfall in Mexico possible as one scenario. A separate storm in the tropical Pacific could bring rain to Hawaii in late October.

A brewing storm that could develop tropical characteristics has the potential to disrupt daily activities in Hawaii due to flooding downpours during the last week of October.

A storm producing ongoing drenching rain, flash flooding and severe weather in the Rockies will end on a colder note over the northern part of of the Plains with the first snowfall of the season upcoming for some areas.

A wet Halloween may dampen some spooky spirits across the United States this year, while a chill may force others to bundle up for trick-or-treating.

Tropical moisture could fuel heavy Halloween weekend rain and renewed flash flooding across the Southwest. Southern California's flood risk hinges on how quickly storms and a Pineapple Express come together.

Election Day downpours are likely to dampen trips to the polls across the central U.S., while spotty showers may reach the Northeast and severe weather could cause disruptions in part of the Mississippi Valley.