Day 3 Excessive Rainfall Threat Area NWS Weather Prediction Center College Park MD 347 AM EDT Sat May 18 2024 Valid 12Z Mon May 20 2024 - 12Z Tue May 21 2024 MARGINAL RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM 30 NNE ODX 15 ESE FRM IIB 15 NNW LWD 15 S HJH 40 ENE GLD 20 NNE IML 30 NNE ODX.