Before more seasonable air returns, drenching thunderstorms threaten to put a damper on Labor Day outdoor plans in the Harrisburg, Lancaster and York areas.
With steamy air in place, showers and thunderstorms will rumble across the Harrisburg area through Labor Day ahead of an approaching cold front.
Downpours will accompany some of the thunderstorms, threatening to cause localized flash flooding.
All of the downpours will pose hazards to motorists by reducing visibility and heightening the risk of vehicles hydroplaning at highway speeds. Airline passengers may encounter delays and headaches.
Those with outdoor plans should prepare to move inside for a time or make indoor alternatives.
The good news is that there will still be rain-free intervals through Labor Day.
Residents and visitors should just stay alert for changing weather and seek shelter when storm-related warnings are issued or thunder is heard. For the latter, you are then close enough to get struck by lightning.
While lightning and downpours are the greatest concerns from the thunderstorms through Labor Day, an isolated number producing damaging winds and hail cannot be ruled out.
A couple of showers and thunderstorms will linger into Monday night before the cold front passes through and gives way to lowering humidity Tuesday.
Days of sunshine and mild weather will remain in the Dallas area into next week.
A warmer weather pattern is forecast for much of the Central and Eastern states, while temperatures should throttle back in the Northwest during the middle of August.
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