WASHINGTON, DC — Severe weather is expected to affect several parts of the country over the Labor Day weekend, with damaging wind gusts and flash flooding identified as the main hazards. Thunderstorms are targeting portions of the Southeast on Saturday, and additional storm chances are expected to shift south by Sunday.
Forecasters say the first round of storms could disrupt holiday plans in Virginia and the Carolinas, while a separate flooding threat returns to the Southwest later in the weekend. Even with those regional risks, much of the United States is expected to remain quiet overall through the holiday period.
Severe thunderstorms target Virginia and the Carolinas on Saturday
Saturday afternoon brings the most immediate severe thunderstorm threat to parts of Virginia, North Carolina and South Carolina. Areas under alert include Norfolk, Virginia; Raleigh, Charlotte and Wilmington, North Carolina; and Myrtle Beach and Columbia, South Carolina.
Severe thunderstorm watches were posted for parts of North Carolina and South Carolina through the evening, including Raleigh, Charlotte, Asheville and Greenville, South Carolina. The main concern with any storms that move through is strong wind, and some gusts could be damaging.
That wind threat is important because severe thunderstorms can form quickly and produce dangerous conditions even when rainfall is not extreme. The watch area covers several major population centers, making the potential impact especially notable for travel, outdoor plans and holiday events.
Sunday storm risk shifts toward South Carolina and Georgia
By Sunday, the focus of the severe weather threat is expected to move farther south across South Carolina and Georgia. Cities named in the risk area include Charleston and Columbia, South Carolina, along with Savannah, Georgia.
Damaging wind remains the primary hazard from any thunderstorms that develop or move through. Forecasters also say flash flooding is possible, especially if storms train over the same area or drop heavy rain in a short period of time.
The shift means communities that were not in the center of Saturday’s setup may still need to prepare for changing conditions the next day. For holiday travelers, the timing could complicate road trips and outdoor gatherings across the coastal Southeast.
Most of the country stays quiet while the holiday weekend storm threat stays regional
Despite the severe weather in the Southeast, much of the country is expected to experience relatively calm conditions for Labor Day weekend. The forecast calls for quiet weather across large areas, which means the strongest impacts are likely to remain concentrated in the regions under watch or advisory.
For Monday’s Labor Day holiday, there is no organized severe weather threat across the nation. Some places could still see scattered thunderstorms, and those storms may bring lightning, gusty winds and brief downpours.
That means the holiday pattern is not expected to be a widespread storm outbreak. Instead, the weather story is one of localized trouble spots surrounded by a broader stretch of calm conditions.
Flash flooding returns to the Southwest with a level 2 risk
The other major concern is in the Southwest, where flash flooding is expected to return on Sunday. Forecasters have placed parts of southern Nevada, northern Arizona and Utah under a level 2 of 4 risk for excessive rain and flooding.
This setup is especially relevant for popular outdoor destinations, including Grand Canyon National Park, Zion National Park and Bryce Canyon National Park. Those areas recently dealt with significant flash flooding impacts from monsoon storms, which makes the renewed threat more concerning for visitors and nearby communities.
Scattered thunderstorms later in the day could produce downpours and frequent lightning. If the heaviest rain falls over the same area for too long, flash flooding becomes possible quickly.
Flood watches cover Utah and burn scar areas face added danger
A Flood Watch has been issued for Sunday across parts of Utah, including Cedar City, Beaver, Richfield and Price, along with Zion National Park and Bryce Canyon National Park. The watch signals that conditions are favorable for flooding, even if every location does not see dangerous rainfall.
Forecasters say the threat is not as widespread or intense as the previous flooding event, but the risk is still real. Heavy rain in the wrong spot could still lead to dangerous water rises in canyons, washes and other low-lying terrain.
Areas with recent wildfire burn scars in Utah and Arizona are described as especially vulnerable. Burned ground can repel water and increase runoff, which can make flash flooding more likely when thunderstorms bring heavy rain.
What travelers and holiday planners should keep an eye on through Monday
The weekend forecast leaves two main concerns for Americans heading into Labor Day: strong thunderstorms in parts of the Southeast and renewed flood risk in the Southwest. Both hazards can change quickly, especially when storms build later in the day.
For people in the Southeast, the biggest issue is wind damage from thunderstorms. For travelers and park visitors in the Southwest, the key concern is rapid water rise and flooding in areas that can look dry until storms arrive.
With much of the country otherwise calm, the storm risk is not expected to be broad nationwide. Still, the forecast suggests that holiday plans in the affected regions may need extra flexibility as weather conditions evolve from Saturday through Monday.
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