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 >

With hot and dry conditions expected this weekend, along with breezy conditions, we wanted to explain a bit more about the Grassland Fire Danger product. Fire danger is a concern this weekend, especially with all the activities with fireworks. We've also included a short video from Darren Clabo, State Fire Meteorologist for South Dakota.

https://www.youtube.com/watch?v=jY5j_z4awCA

The current Grassland Fire Danger Index can be found here: https://www.weather.gov/unr/rfd

For a Fire Danger outlook beyond Day 2, visit the Graphical Hazardous Weather Outlook, then click on the "Grassland Fire Danger Index" and the appropriate days to view the current forecast.

https://www.weather.gov/crh/ghwo?sid=abr

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

Grassland Fire Danger Index Explained