Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 258 AM EST Wed Nov 08 2017 Valid 12Z Wed Nov 08 2017 - 12Z Fri Nov 10 2017 ...Heavy possible over the Upper Great Lakes... ...Heavy rain possible for parts of the Pacific Northwest and Northern/Central California... ...Temperatures will be 10 to 20 degrees below average over parts Southern Plains into Lower Mississippi Valley... A front extending from the Southeast to the Western Gulf Coast will move southward into the Gulf of Mexico and eastward over the Western Atlantic by Wednesday evening, continuing to move southeastward to the southern tip of Florida by Thursday evening. Showers and thunderstorms will develop from the Western Gulf Coast to the Central Gulf Coast on Wednesday that will end over the Western Gulf Coast by Wednesday afternoon. The showers and thunderstorms will expand into parts of the Eastern Gulf Coast and the Southeast by Wednesday evening More to Follow Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php