More summer-like conditions will return to the Boston area for a brief time before a front pushes through the region during the latter part of the weekend.
The high temperature on Sunday will climb into the low 80s with an increase in humidity.
"However, the warmer and more humid air will provide fuel for thunderstorms, which can be strong Sunday into Sunday night," AccuWeather Meteorologist Mike Doll said.
One of those storms may be disruptive to the Boston Summer Arts Weekend on Sunday at Copley Square in Boston.
The higher humidity will stick around into Monday before exiting the region on Tuesday.
Sunshine will be the rule into the middle part of the week, with daytime highs in the mid-70s and overnight lows in the low 60s.
After a wet September, drier weather will finally arrive in Florida for the new month.
Fall air will erase the record warmth that has been gripping the Northeast, while chilly air is set to charge into the Midwest by week's end.
Locally damaging thunderstorms and flooding downpours may travel across a thousand-mile stretch of the nation through the balance of the week.
Residents of Japan are facing another tropical threat from strengthening Typhoon Phanfone.
Hundreds of colorful hot air balloons will dot the blue skies above Albuquerque, New Mexico, this weekend as the 43rd annual Albuquerque Balloon Fiesta begins.
With the United States stretching across such a vast mass of land, the varying landscape offers diverse weather phenomena in every corner of the country.
Louisiana Bayou County (1893)
Hurricane generated storm wave - killed 2,000. 12-foot tides; central pressure 970 mb; 100+ mph winds.
Two-day Deluge of Rain Table Rock, SC 7.01 inches Anderson, SC 5.44 inches Highlands, NC 9.91 inches Atlanta, GA 5.85 inches Athens, GA 9.03 inches
Yuma, AZ (1990)
A total of one inch of rain in 15 minutes with hail one inch in diameter.