Rainfall totals for the last 24 hours to 3 days – high resolution map

Data Update Cycle: The 1-hr mosaic is updated every 5 min (approx). The 3h, 6h, 12h, and 24h maps are updated hourly. The 48h and 72h maps are generated once daily, at 12 UTC (i.e. 7AM EST).

Showing the rainfall map for the past

Click anywhere on the map for a rainfall estimate.


Data collected using Doppler radar polarimeteric technology are objectively analyzed by complex precipitation algorithms to produce very accurate estimates of accumulated precipitation at each grid point.

Our maps will display on any mobile device, including smartphones and tablets, though you may notice a better visual presentation and optimal performance from a desktop computer.

Precipitation Analysis
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US States

US Counties

NWS Forecast Offices