11. A potent jet stream disturbance will cause a swath of snow to develop from the panhandle of Texas to parts of eastern Kansas. 12. A potent jet stream disturbance will cause inclement weather to persist in portions of the Pacific Northwest. 13. A second disturbance will cause more thundershowers in south Texas. 14. A slow-moving disturbance will cause rain to spread gradually from the eastern Ohio Valley to the Middle Atlantic States. 15. A weak disturbance aloft will cause billowy clouds to form over the southern Appalachians. 16. A weak jet stream disturbance will cause patchy clouds in the Northeast this afternoon, especially near the Canadian border. 17. A weak jet stream disturbance will cause a cold front to approach the Northeast and Middle Atlantic coasts toward evening. 18. Elsewhere, a jet stream disturbance will cause pockets of showers and isolated thunder across the interior Northwest. 19. Farther north, a weak jet stream disturbance will cause flurries and spotty freezing drizzle in a narrow band across the central Plains. 20. Farther south, a fast-moving jet stream disturbance will cause isolated thunderstorms to develop Monday from Oklahoma to the upper Tennessee Valley. |