Several weather regimes will be in play for the Labor Day weekend across the United States, including a familiar pattern of high humidity and downpours in the Deep South, while waves of cool air continue to slice across the northern tier.
With the last unofficial week of summer underway, some people planning end-of-the-season getaways will need to monitor the tropics, while others will be dodging downpours.
Across the North Central and Northeastern states, episodes of autumnlike weather will continue, but across the Deep South, the weather will remain tropical with downpours. Meanwhile, more heat will continue over the interior West with some monsoon moisture coming into play over part of the Southwest.
Downpours have been causing trouble in the form of flooding in parts of the South for days, and that is likely to continue for the holiday weekend.
The greatest risk of disruptive flooding downpours is likely to be from near Interstate 20 on south over the Mississippi Delta region and I-40 on south from the Appalachians on to the east.
Dorian, currently a tropical storm over the south-central Atlantic, has the potential to become the second hurricane of the 2019 season as it turns northwestward this week.
Dorian is forecast to cruise through part of the Caribbean into midweek and is then likely to travel across the Bahamas late in the week.
While the exact track and strength of Dorian will ultimately determine impact on Florida this weekend, moisture from the system is likely to further boost the intensity and frequency of downpours that have been riddling the state and perhaps other states in the region in recent weeks.
Expect incidents of urban flooding and disruptions to beach and boating plans during the latter part of the extended Labor Day weekend in the Sunshine State.
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Locally heavy shower and thunderstorm activity is also in store from the southern Plains to the middle Mississippi Valley, lower Great Lakes and the Northeast on Saturday and Sunday.
As has been the case in recent weeks, much of the West will remain free of rain with significant heat over the interior.
As temperatures soared well over 100 degrees on Aug. 23 in Arizona's Lost Dutchman State Park, 44 hikers had to be rescued after they became exhausted while hiking on the Flat Iron Trail.
A few storms associated with the North American monsoon are likely in parts of New Mexico, Arizona, Colorado and Utah during the extended weekend. It is possible some storms erupt in parts of southern Nevada and Southern California as well.
During Labor Day itself, unsettled conditions with clouds, showers and storms are likely to shift from the Ohio Valley to coastal areas of the Northeast.
This means that after some days of wet weather, a large part of the middle of the nation will dry out on Monday.
A new batch of showers and thunderstorms is forecast to drop southward across the northern Plains and the Upper Midwest on Labor Day.
Download the free AccuWeather app to view the latest forecast for your area and keep up-to-date with the latest tropical developments. Keep checking back for updates on AccuWeather.com and stay tuned to the AccuWeather Network on DirecTV, Frontier and Verizon Fios.
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