* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of southeast New Mexico, including the following areas, Central Lea, Eddy County Plains, Guadalupe Mountains of Eddy County, Northern Lea and Southern Lea and Texas, including the following areas, Andrews, Crane, Davis Mountains, Davis Mountains Foothills, Dawson, Eastern Culberson, Ector, Gaines, Glasscock, Guadalupe Mountains Above 7000 Feet, Guadalupe and Delaware Mountains, Loving, Martin, Midland, Pecos, Reagan, Reeves County Plains, Terrell, Upton, Ward and Winkler. * WHEN...From late tonight through Friday afternoon. * IMPACTS...Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Be especially careful if driving after dark, as flooded roadways may be difficult to see. * ADDITIONAL DETAILS... - Heavy rainfall may occur tonight into Friday afternoon, with between 1 to 2 inches of rain possible for portions of the area. - http://www.weather.gov/safety/flood