The entire state of West Virginia is under a flash flood watch Tuesday afternoon, ahead of rain moving in from Hurricane Ida.

The National Weather Service issued the watch for 2 p.m. Tuesday through Wednesday evening. Counties in the region under the watch include Kanawha, Putnam, Cabell, Mason, Jackson, Wayne, Wood, Pleasants, Lincoln, Tyler, Roane, Wirt, Calhoun, Ritchie, Doddridge, Mingo, Logan, Boone, Clay, Braxton, Gilmer, Lewis, Harrison, Taylor, McDowell, Wyoming, Upshur, Barbour, Raleigh, Fayette, Nicholas, Pocahontas and Randolph.

In Kentucky, Greenup, Carter, Boyd and Lawrence counties are under the flash flood watch. In Ohio, Gallia, Meigs, Vinton, Lawrence, Athens and Morgan counties are affected.

Heavy rain associated with remnants from Hurricane Ida will affect the area beginning in the afternoon Tuesday, the weather service said. Amounts of 2 to 4 inches of rain is expected through Wednesday evening, with higher amounts locally of up to 6 inches possible. Flash flooding could occur.

A flood warning has also been issued for the Little Kanawha River at Grantsville, affecting Wirt and Calhoun counties in West Virginia.

Emergency responders and the West Virginia National Guard have been preparing for the worst to come Tuesday and Wednesday across the Mountain State, as some areas, such as Huntington, have already received a lot of rain.

On Monday, rain caused widespread flooding in Huntington. Cabell 911 said every viaduct and many streets in the city were flooded. Marshall University canceled Monday evening classes.

For the latest Storm Team weather, download the WCHS Weather App, or go here.

Share your weather photos or videos with Eyewitness News here, or in the widget below.