21.   Elsewhere, the Southeast will be partly sunny and humid while thundershowers are expected across parts of south Florida.

22.   Farther east, showers will surround the low as it crosses the interior Northeast with the steadiest rain expected across eastern New England.

23.   Friday, flooding tropical downpours will spread into the Southeast, with the heaviest rain expected across the Florida panhandle.

24.   In contrast to the advancing chill over the eastern half of the country, a rapid warming is expected across the western Plains Saturday.

25.   Indeed, a few hours of sunshine are expected across coastal New England.

26.   Mainly tranquil and dry conditions are expected across the nation on Sunday.

27.   Meanwhile, abundant sunshine is expected across the middle and lower Mississippi valley.

28.   Meanwhile, ample sunshine is expected across much of the Southwest, though locally dense fog will plague the valleys of southern California.

29.   More are expected across the country.

30.   More seasonable conditions are expected across the U.S and Canada this week.