1.  Another cool front will move into the Northeast.

2.  As a cool front approaches from the west, clouds will increase, and a shower is possible near evening.

3.  As a cool front presses east from the Rockies, isolated potent thunderstorms will develop over the Dakotas.

4.  As a cool front approaches later Saturday and Saturday night, showers and isolated showers will develop from Washington to northern California.

5.  As a result, Gulf moisture will rapidly converge ahead of an advancing cool front.

6.  As Boyd and his assistant monitored the slow descent of the spinning drill, more anvil clouds rolled in from the west, ushering in a cool front.

7.  As the ridge of high pressure expands northward, it will check the advance of a weak cool front.

8.  Balmy breezes from the Southwest have directed the hot air to the New England coast, but an approaching cool front should curtail the hot weather on Friday.

9.  Before a cool front can move in, though, the heat could claim more victims.

10.  Before these rains materialize, scattered showers will develop near a cool front across the Middle West, the upper Mississippi Valley and the western Great Lakes.