National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Recreation Forecast


The Recreational Forecast contains forecasts and reports on conditions for resort and recreational areas. The forecast will be issued one per day between 4am LST and 6am LST and will include a site specific forecast for the following weather elements:

  • Maximum Temperatures
  • Minimum Temperatures
  • Sky/Weather
  • Wind Speed and Direction
  • Lightning
  • 2 Day Extended Forecast

The Recreational Forecast will be issued for the following areas (see graphic below):

  • Northern Lake Oahe in north-central South Dakota
  • Southern Lake Oahe and Lake Sharpe in south-central South Dakota
  • Glacial Lake Region of northeastern South Dakota
  • Big Stone Lake and Lake Traverse in west-central Minnesota
  • Lake Kampeska in eastern South Dakota

 

Recreation Forecast