US Day 3-7 Hazards Outlook NWS Weather Prediction Center College Park MD 912 AM EST Mon Dec 10 2018 Valid Thursday December 13 2018 - Monday December 17 2018 Hazards: Heavy rain across portions of the Pacific Northwest and the Northern Great Basin, Tue-Wed, Dec 11-Dec 12. Heavy rain across portions of the Middle Mississippi Valley, the Lower Mississippi Valley, the Pacific Northwest, the Ohio Valley, and the Tennessee Valley, Thu-Fri, Dec 13-Dec 14. Heavy rain across portions of the Lower Mississippi Valley, the Central Appalachians, the Tennessee Valley, the Middle Mississippi Valley, the Mid-Atlantic, the Southern Appalachians, the Southeast, the Great Lakes, and the Ohio Valley, Fri, Dec 14. Heavy snow across portions of the Pacific Northwest and the Northern Great Basin, Tue-Fri, Dec 11-Dec 14. Heavy snow across portions of the Northern Rockies and the Northern Great Basin, Tue-Thu, Dec 11-Dec 13. Heavy snow across portions of the Southern Appalachians, the Mid-Atlantic, the Central Appalachians, the Ohio Valley, and the Tennessee Valley, Mon-Tue, Dec 10-Dec 11. Freezing rain across portions of the Southeast, the Mid-Atlantic, the Southern Appalachians, the Ohio Valley, and the Tennessee Valley, Mon-Tue, Dec 10-Dec 11. Flooding occurring or imminent across portions of the Southeast. Flooding likely across portions of the Southern Plains. High winds across portions of the Central Plains, the Middle Mississippi Valley, the Lower Mississippi Valley, and the Southern Plains, Fri, Dec 14. High winds across portions of the Alaska Panhandle and mainland Alaska, Mon-Thu, Dec 10-Dec 13. High significant wave heights for coastal portions of the Alaska Panhandle and mainland Alaska, Thu-Fri, Dec 13-Dec 14. Detailed Summary: It's going to be active. End of story.