Persistent arctic air is forecast to break numerous daily records and produce dangerously cold sub-zero wind chills across the Central and Southern Plains, Lower Mississippi Valley, and the Southeast U.S. today. An atmospheric river will bring heavy rain and mountain snow to the Pacific Northwest states and northern Rockies today through at least Tuesday. Read More >
Lower Mississippi RFC
River Forecast Center
Many different estimates of observed precipitation are used in the river forecast process. Sources include rain gauge networks (both official and volunteer) as well as radar estimates.
Daily 24hr precipitation report (HYDORN)
Text only, forecaster QCed. Point observations from gauges. Updates daily.
Daily 24hr precipitation from CoCoRAHS volunteers
Static images, no QC. Point observations from gauges.
Customizable gridded precipitation
Zoomable, panable map, forecaster QCed. Gridded estimates from a combination of rain gauges and radar. May be slow on mobile devices.
