71.   Isolated afternoon thunderstorms may form near the Appalachians in Virginia and North Carolina.

72.   Isolated afternoon thunderstorms will form near the Ohio Valley and central Appalachians as a weak jet-stream disturbance passes overhead.

73.   Isolated afternoon thunderstorms will form over some mountain peaks.

74.   Isolated heavy thunderstorms will form in Florida in concert with the leading edge of the sea breeze just inland from the Gulf and Atlantic coasts.

75.   Isolated thunderstorms will also form across the Cascades, Bitterroots and northern Sierra.

76.   Isolated thunderstorms will form in the heat of the afternoon near the Mexican border from New Mexico to California.

77.   Isolated thunderstorms will form, however, near a decaying front close to the Tennessee and Red River valleys.

78.   Isolated afternoon thunderstorms may form near the western Gulf Coast.

79.   Isolated afternoon thunderstorms will form in western sections where moist winds ascend the sloping terrain.

80.   Isolated thunderstorms will form in Florida but no widespread rain is expected in the fire-plagued areas over the northern part of the state.