21.   Potent thunderstorms will develop from the northern Plains to the western Great Lakes as a cool front approaches.

22.   Rain and wind will lash the Northwest Coast as a Pacific front approaches.

23.   The day will start mostly sunny east of the Appalachians, though clouds will increase during the afternoon as a front approaches from the Middle West.

24.   The hot spell in the Northeast will persist, though moisture will increase as a front approaches from the northwest.

25.   The Northwest will turn dull and windy as a front approaches with showers likely later in the day.

26.   The Northwest will turn cloudy as a front approaches from the Pacific.

27.   The showers will diminish Sunday morning as the front crosses the Appalachians, but will redevelop as the front approaches the Northeast coast in the afternoon.

28.   The Southwest will turn drier, but rain will arrive in the Northwest as a front approaches.

29.   Windswept rain will lash portions of the Northwest Coast from northern California to Washington as a complex front approaches from the Pacific.

30.   The forecast calls for this front to approach the region sometime Sunday and remain in the vicinity for Monday.