email facebook twitter
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.

Product Info   |  Understanding ERO Categories   |  ERO Climatology   |  Day 1 threat area   |  Day 2 threat area   |  Day 3 threat area

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

Day 1 Excessive Rainfall Outlook
Valid 12Z Mon Mar 27 2023 Through 12Z Tue Mar 28 2023
Issued: 0737Z Mon Mar 27 2023
Forecaster: HURLEY

Please Consider filling out our survey on the Day 4-5 experimental products
Excessive Rainfall Forecaster Discussion
Download Excessive Rainfall Outlooks in GIS Format
Day 4 & 5 are Experimental

Day1 | Day2 | Day3 | Day4 | Day5

Day1 | Day2 | Day3 | Day4 | Day5

Day1 | Day2 | Day3

ArcGIS REST Service:
Day1 | Day2 | Day3 | Day4 | Day5

Change image opacity:  

Excessive Rainfall Outlook Day 1 Static Image
Day 1 Excessive Rainfall Outlook
OutlookPopulation Impacted Area (Sq Mi) Impacted
Slight (At Least 15%)4,019,32025,846
Marginal (At Least 5%)30,400,700200,229