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National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

Flash Flood Guidance

Flash flood guidance is defined as the average inches of rainfall for a given duration required to produce flash flooding in small streams. These graphics are updated daily at approximately 9:15 AM PST (10:15 AM PDT).

Graphical Version

RFC Area
Time Duration
Entire CNRFC Area
WFO Area
Time Duration
Medford
Eureka
Sacramento
SF Bay Area/Monterey
San Joaquin Valley/Hanford
Los Angeles/Oxnard
San Diego
Reno
Elko
Las Vegas
Phoenix