National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

The Lower Mississippi River Forecast Center is located in Slidell, Louisiana, and is co-located with the New Orleans/Baton Rouge Weather Forecast Office. Our office is open seven days a week, 365 days a year, from 6am to 10pm. During times of active flooding, our office is staffed 24 hours a day.

We provide daily river forecasts for locations on the lower Mississippi River and its tributaries. This includes over 200 forecast locations across a 210,000 square mile area.

 

Contact the LMRFC

More information on the history of NWS River Forecast Centers

Technical papers written by LMRFC staff