Millions face soggy Halloween weekend as Tropical Storm Vance's moisture fuels widespread rain

THE TAKEAWAY

More than 20 states across the U.S. are expected to see heavy rain or flash flooding as moisture from Tropical Storm Vance shifts north, bringing a wet Halloween weekend for millions of Americans.

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Beginning Thursday, Vance’s deep tropical moisture will interact with a developing frontal system, setting the stage for heavy rain and flash flooding across Texas before spreading into a much broader area of the country.

According to the FOX Forecast Center, Texas is expected to face the greatest flooding threat, with repeated rounds of showers and thunderstorms that could produce widespread rainfall.

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Some areas may see 2 to 3 inches of rain, with higher amounts of 4 to 5 inches possible.

A Level 2 out of 4 flash flood threat has been issued, as flooding is very likely in some areas.

By Friday and Saturday, the threat of rain will expand across the Plains, Mississippi and Ohio Valleys, Great Lakes and Southeast.

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Moisture from Vance will combine with a large storm system, fueling rain and thunderstorms across more than 20 states.

The unsettled weather could disrupt Halloween celebrations and outdoor plans for millions of Americans.

The system is expected to push farther east as an upper-level trough moves across the U.S. by Sunday.

Rain and gusty winds could spread from the Mid-Atlantic to the Northeast, bringing a wet and unsettled end to the weekend.

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The areas most affected will depend on how the front and tropical moisture interact. However, Texas appears to be the primary focus for flooding concerns early in the event, followed by a broader stretch of wet weather across the central and eastern U.S.

Tropical Storm Vance is currently located about 315 miles off the southwestern coast of Mexico and is moving at 7 mph, with maximum sustained winds of 70 mph.