Watch Out For Some Bumpy Weather

Well, according to the National Weather service, the Las Vegas can expect a lot of rain in the next week or so. Maybe up to 3 inches of rain may come to the valley over the next week or so. The mountains surrounding Las Vegas also may experience several feet of snow during this time frame as well. Snowfall may come down as low as 4500 feet- the upper edges of the Valley around 3000 feet or so- generally in the Summerlin area.
http://www.weather.com/weather/alerts/localalerts/USNV0050?phenomena=TSL&significance=S&areaid=NVZ020&office=KVEF&etn=4fa76f748da9a6974f1a839fc395796a45a2018a
So, if you are visiting, bring an umbrella and some warm clothes. You'll still have fun, just that you may have to dodge the rain.
If you are locals, beware of flash flooding and the oil on the highways.