WILLIAMS — Heavy rains and thunderstorms over the next couple of days could cause flash floods. A flash flood watch is set for portions of northern and central Arizona from 11 a.m. today through late Wednesday. Particularly vulnerable are areas of recent fires damage such as the are of the Museum Fire that has experienced problems already. Other areas include Coconino Plateau, Mogollon Rim, White Mountains, Oak Creek and Sycamore Canyons and Ash Fork.

Showers and thunderstorms are expected to increase today and continue at times through Wednesday. Some of these storms will be capable of producing 1- to 2-inches of rain in less than an hour, leading to flash flooding. Burn scars and low water crossings are especially vulnerable to flooding.

Showers and thunderstorms are expected to continue through Labor Day.