A "dangerous situation" may unfold as inches of rain, moderating temperatures and melting snow threaten flooding and avalanches into early week, AccuWeather meteorologists warn.

A flood watch goes into effect Friday morning for much of central Alabama, with rain expected to reach Anniston by late morning, according to the National Weather Service. — Forecasters expect two to three inches of rain in Calhoun County,

A Pineapple Express is a type of atmospheric river where moisture accumulates in the tropical Pacific around Hawaii, bringing heavy rain or snow to the U.S. and Canada’s West Coasts, the National Ocean Service says.