National Weather Service United States Department of Commerce

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.

Low Bandwidth

More national forecast precipitation options
Static images. Updates every 6-12hrs.



Forecast precipitation interactive maps
Interactive maps with dynamic overlays. Gridded estimates from a combination of rain gauges and radar. Not recommended for mobile devices.