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

Rain is expected to start on Friday afternoon across New Jersey. After the rain ends Sunday, strong winds gusting up to 40 mph are possible.

Saturday will be the main event. Rain develops and gets heavy at times into the afternoon and evening. It will be cooler, with highs in the mid-40s. Roads could get slick, and with some downpours around, ponding on roadways and localized flooding is possible—so keep an eye on conditions.

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.

Rain is expected to move into North Jersey this afternoon, bringing steady precipitation and wet roadways through the evening.

A Flood Watch and severe weather alert are in effect for Atlanta and north Georgia today as a cold front brings heavy rain and plunging temperatures.

One of January’s wettest days on record followed by a return to winter, and snow chances are back this weekend. Here’s what to expect.

Chief Meteorologist Dave Nussbaum says on Friday and Friday night, a slow-moving cold front brings two rounds of heavy rain and storms. Rain totals of 2–4+ inches could lead to flash flooding, especially in flood-prone areas.