11. Snow is likely across the eastern Great Lakes as the moist air slides over cold, dry air near the surface. 12. Showers and thunderstorms are also likely across the central Plains as a weak area of low pressure becomes nearly stationary over the region. 13. Some snow is likely across the high ground of central Pennsylvania. 14. Snow showers are likely across many mountain peaks from Montana to Arizona where significant accumulations are possible. 15. Strong winds and blowing sand are likely across southern Arizona, especially near thunderstorms. 16. Storms are more likely across southern Florida, with the risk of flooding in areas deluged by recent heavy rain. 17. Sunny and very warm conditions are likely across the West with high pressure settled over Utah. 18. Strong thunderstorms are most likely across Louisiana and western parts of Kentucky and Tennessee. 19. The heaviest storms are likely across the upper Middle West, as moist air is lifted by a vigorous jet stream disturbance. 20. Three to six inches of snow is likely across West Virginia, northern Virginia, Maryland and Delaware. |