Weather Prediction Center

National Oceanic and Atmospheric Administration

Excessive Rainfall Forecast

This web page depicts the Excessive Rainfall Outlook (ERO). In the ERO, the Weather Prediction Center (WPC) forecasts the probability that rainfall will exceed flash flood guidance (FFG) within 40 kilometers (25 miles) of a point.

Proposed changes to the Excessive Rainfall Outlook

Map Overlays
CWAs		Counties
RFCs		FEMA Regions
States		NWS Forecast Zones
Urban Areas		ARTCC/FIR

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Day 1 Excessive Rainfall Outlook
Valid 1600Z Sun Oct 25 2026 Through 1200Z Mon Oct 26 2026
Issued: 1554Z Sun Oct 25 2026
Forecaster: PEREIRA
DOC/NOAA/NWS/NCEP/WPC

Excessive Rainfall Forecaster Discussion

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Download Excessive Rainfall Outlooks in GIS Format KML: Day1\| Day2\| Day3\| Day4\| Day5 Shapefile: Day1\| Day2\| Day3\| Day4\| Day5 GeoJSON: Day1\| Day2\| Day3\| Day4\| Day5 ArcGIS REST Service: Day1\| Day2\| Day3\| Day4\| Day5

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Excessive Rainfall Outlook Day 1 Static Image

Day 1 Excessive Rainfall Outlook
Outlook	Population Impacted	Area (Sq Mi) Impacted
Slight (At Least 15%)	7,132,324	83,176
Marginal (At Least 5%)	6,411,204	175,307

Weather Prediction Center National Oceanic and Atmospheric Administration

Weather Prediction Center

National Oceanic and Atmospheric Administration