6:50 p.m. update: Most of the moderate rain has moved west from the southern portion of the Las Vegas Valley toward Mountain SPrings and points west. Light rain is falling over the southwest portion of the valley. Another storm with light rain is moving into the eastern side of the southern valley from Lake Mead.
6:30 p.m. UPDATE: The NWS has extended a flood advisory for much of the southern part of the Las Vegas Valley until 9:30 p.m. Winds gusts have been reported up to 41 mph in Henderson and 61 mph in Goodsprings. Areas that could be affected with flooding include Rhodes Ranch, Wet n Wild, Green Valley, Blue Diamond, Southern Highlands, Spring Mountain Ranch and Windmill and Green Valley Parkway. Rainfall has been reported between a quarter-inch to three-quarters of an an inch across the southern half of the valley.
6:25 p.m. UPDATE: The storm over the southwest valley is moving toward the northwest. It is near Mountain Springs now with Mount Charleston and Pahrump possible areas of moderate rain within the next hour if the cells don't dissipate. It is still raining over the western third of Lake Mead.
6:15 p.m. UPDATE: There is water on roads in the Durango & Blue Diamond area in the southwest part of the valley. Moderate rain is falling across parts of the southwest valley. There have been several lightning strikes as well. A moderate cell has also popped up over the western portion of Lake Mead. There is widespread light rain from the Lincoln-Clark county line on the north then south through Mount Charleston and Pahrump and further south into California.
5:55 p.m. UPDATE: Flooding is reported in Interstate 15 in Jean. Traffic is having to merge into one lane.
5:35 p.m. UPDATE: The NWS has extended flash flood warnings in central and western Clark County and southern Nye County until 7:30 p.m. Most areas of Las Vegas proper are rain free and the bulk of the rain has moved into California.
5:25 p.m. UPDATE: There is a rain cell with moderate rain near Sunrise Mountain on the East side of the valley that may cause some flooding. Most of the rain southwest of the valley has moved into California. A moderate cell is dropping rain on Interstate 15 south of McCarran International Airport and another moderate cell is causing rain in the southern end of the valley south of St. Rose Parkway in Henderson south to east of Sloan.
5:20 p.m. UPDATE: The storm cell on U.S. 95 northwest of Las Vegas has all but disappeared. Scattered and lighter shows are along U.S. 95 up to Indians Springs. The storms near the state line south of Jean are moving northwest into California. There is a storm cell in Arizona southwest of Lake Mead that is moving northwest and could hit the eastern portions of Lake Mead.
5:15 p.m. UPDATE: The NWS said a flood advisory remains in effect until 6:30 p.m. for central Clark County. At 4:33 p.m. heavy rain was continuing in the Jean area. A Twitter user sent the NWS a picture at 4:29 showing 2 to 3 inches of rain running across Las Vegas Boulevard in Jean.
4:55 p.m. UPDATE: The heaviest rain cells to the southwest of Las Vegas have moved away from Jean and into San Bernardino County in California. A flash flood watch remains in effect for southern Nye County and north-central San Bernardino County in California. The Sandy Valley and Kingston Road areas are also under a flash flood warning for the next hour.
4:40 p.m. UPDATE: The NWS has issued a flash flood warning for central Clark County until 6:30 p.m. because of heavy rain falling along U.S. 95 northwest of the valley. At 4:27 p.m., very heavy rain from a storm 7 miles northwest of Floyd Lamb State Park was moving northwest across the valley. The affected area is U.S. 95 just northwest of the Las Vegas Valley.
4:20 p.m. UPDATE: A heavy line of thunderstorms extends across U.S. 95 northwest of Las Vegas nearly to Indian Springs. The storm is causing moderate to heavy rainfall. It could bring flash flooding to the northwest part of Las Vegas in coming hours. There is also a heavy storm to the west of Interstate 15 between Las Vegas and the California state line. The National Weather Service says Jean, Goodsprings and Mt. Potosi areas may see flooding. A flash flood advisory has been issued until 6:30 p.m. Moderate rain is also falling on the west side of Mt. Charleston and in Pahrump.
LAS VEGAS (KSNV MyNews3.com) -- A flash flood warning has been issued for west central Clark County effective until 5:45 p.m. Sunday.
The NWS said at 2:46 p.m. doppler radar indicated flash flooding from a thunderstorm about 10 miles northeast of Mount Charleston. The storm was nearly stationary.
Affected areas include Lee Canyon Road and rural areas of western Clark County.
Flash flooding was expected in washes and on low water crossings. Residents should expect rising water and should move to higher ground.
The NWS advised to never try and cross a flood road or enter a flood channel.
Report flooding to the Las Vegas National Weather Service via Facebook or Twitter.