Low pressure will bring locally heavy precipitation to the Pacific Northwest, much of California, and the Great Basin today and tonight, before pushing into the Rockies by Monday. Heavy snowfall can be expected in higher elevations, with several feet possible across the Sierra Nevada. Meanwhile, considerably milder temperatures are expected over most of the eastern U.S., including New England. Read More >
Forecasts of future precipitation are derived from weather models and from forecaster judgment. Although accuracy of precipitation forecasts can vary from weather system to weather system, such forecasts are important for river forecasts.
More national forecast precipitation options
Static images. Updates every 6-12hrs.
Forecast precipitation interactive maps
Gridded forecasts for future rainfall. Interactive maps with reduced functionality indended for mobile devices and tablets.
Forecast precipitation interactive maps
Interactive maps with dynamic overlays. Gridded forecasts for future rainfall. Not recommended for mobile devices.
