* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Colorado, including the following areas, Debeque to Silt Corridor, Four Corners/Upper Dolores River, Grand and Battlement Mesas, Paradox Valley/Lower Dolores River, Roan and Tavaputs Plateaus and Uncompahgre Plateau and Dallas Divide and Utah, including the following areas, Arches/Grand Flat, Canyonlands/Natural Bridges, La Sal and Abajo Mountains, Southeast Utah and Tavaputs Plateau. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of creeks, streams, slot canyons, slick rock areas, recent burn scars including Babylon, Deer Creek, Turner Gulch, Lee, PL Gulch, Ferris, Snyder, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood