National Weather Service United States Department of Commerce

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

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.

 

National Precipitation Totals

 

 

Low Bandwidth
 

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.

 

Full-Featured
 

Customizable gridded precipitation
Zoomable, panable map, forecaster QCed. Gridded estimates from a combination of rain gauges and radar. May be slow on mobile devices.