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 >

HYDROLOGIC OUTLOOK

NATIONAL WEATHER SERVICE BISMARCK ND

1207 PM CDT Thu Oct 17 2019

...INCREASED RELEASES OUT OF GARRISON DAM...

The U.S. Army Corps of Engineers has announced a 2000 cubic feet per second increase in discharge from Garrison Dam beginning today. This will put the total release from Garrison Dam at 48,000 cfs. Downstream areas, such as the Bismarck and Mandan area, will see an increase of about 0.3 feet in water levels. Missouri River levels at the Bismarck gage have been between 11.0 and 11.2 feet as of late and this new discharge suggests river stages may range as high as 11.5 ft well into the first half of November.