1.   As a cold front presses into the region by Wednesday, heavier showers and thunder will develop.

2.   A cluster of heavier showers will sweep from the central Gulf Coast to northern Florida later Thursday and Thursday night as a jet stream disturbance moves overhead.

3.   A cluster of heavier showers will occur near low pressure in the central Mississippi Valley and western Ohio Valley.

4.   A cluster of heavier showers will accompany a weak low pressure zone traveling along the front from the central Ohio Valley to the Middle Atlantic states.

5.   A band of heavier showers will occur in the interior Southeast where humid air will flow north from the Gulf of Mexico.

6.   A cluster of heavier showers will accompany a weak low pressure system moving northeast into North Carolina.

7.   A few heavier showers are possible late Wednesday and into Wednesday night in the lower Mississippi Valley.

8.   A few heavier showers will occur near the eastern shores of Lakes Huron and Ontario.

9.   A pool of cool air at high levels over the northern Plains will promote a few heavier showers, especially in the eastern Dakotas and southern Minnesota.

10.   A weak tropical system over the western Gulf of Mexico may bring a period of heavier showers to the Texas and Louisiana coasts.