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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
Day 1 Excessive Rainfall Outlook Valid 16Z Wed Apr 30 2025 Through 12Z Thu May 01 2025 Issued: 1551Z Wed Apr 30 2025 Forecaster: LAMERS DOC/NOAA/NWS/NCEP/WPC