21.   Humid air streaming into Texas should trigger some showers as the southern end of the front approaches.

22.   Humid air from the western Gulf of Mexico will stream into east Texas and Arkansas, triggering some showers.

23.   Humid air streaming into Louisiana and western Mississippi will trigger a few showers.

24.   Increasing onshore winds in the Southeast will trigger a few showers near the Carolina coast.

25.   Meanwhile, a jet stream disturbance will trigger patchy showers from New Mexico to the southwestern Plains states.

26.   Residual moisture from an offshore cool front will trigger a few showers in southeastern Florida.

27.   This front will trigger a few showers in the Northern Plains on Friday as it crosses the Dakotas.

28.   Tropical moisture associated with Katrina, a strengthening depression in the eastern Gulf of Mexico, will stream into Florida triggering heavy showers in western sections.

29.   Winds ascending the western Plains will combine with moisture attendant with a cold front to trigger showers from Kansas and Nebraska into Colorado.

30.   Yet another Pacific storm will approach the Northwest Coast on Wednesday, triggering some showers in coastal Washington.