Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 233 PM EST Sun Jan 05 2020 Valid 00Z Mon Jan 06 2020 - 00Z Wed Jan 08 2020 ...Multiple rounds of precipitation are forecast for the Pacific Northwest... ...Light to moderate snow expected for the Great Lakes and interior Northeast tonight into Monday... ...Light snow possible from the southern Appalachians to the Mid-Atlantic on Tuesday... An active weather pattern will continue for the northwestern U.S., with a cold front moving through this evening and a warm front approaching on Monday. This will lead to multiple rounds of precipitation, with locally heavy rainfall and localized flooding possible in the lower elevations of western Washington and northwestern Oregon by Monday. Across higher elevations of the Cascades and northern Rockies, snowfall could be measured in multiple feet. A low pressure system will move across the Great Lakes and interior Northeast early this week, with snow likely to spread across these regions between this evening and Monday. Snowfall of 2 to 4 inches is forecast, with locally higher amounts downwind of Lake Erie and Lake Ontario. By Tuesday, a separate system will approach the eastern U.S. and could bring a quick burst of snow from the southern Appalachians to the Mid-Atlantic. Additional lake effect snow is possible across the upper Great Lakes on Tuesday as well. Most of the continental U.S. will have near to above average temperatures over the next couple of days. Florida is expected to be one cooler than average spot, where temperatures should remain near or less than 70 degrees for highs. The Central Rockies could be several degrees below average on Monday also. Snell Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php