The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

This story was updated to correct spelling in headline. An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week.

After an unusually dry January, a weather system called an atmospheric river - or Pineapple Express - is now headed towards ...

Forecasters say 'Pineapple Express' storm will probably be beneficial for Los Angeles and Ventura counties, helping to reduce ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

Instead of major fires the Golden State will be delt with major rainfall with precipitation amounts that could reach over half a foot over the next week.