Moderate Winter Storm remains on track to impact the Sierra today through Saturday. Expect winter driving conditions today over Sierra passes spreading into the Tahoe Basin tonight. For more detailed timing and impacts check out the Winter Weather Advisory for the Sierra - http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=rev&wwa=winter weather advisory | US National Weather Service Reno Nevada

7.6K views · 19 reactions | This simulated radar loop from the High-Resolution Rapid Refresh model depicts precipitation overspreading Northern and Central Nevada from west to east tonight. Periods of snow are expected in most of Northern and Central Nevada Friday into Friday night. Minor travel impacts are likely over most passes and summits. | US National Weather Service Elko NV | Facebook

This simulated radar loop from the High-Resolution Rapid Refresh computer model depicts light precipitation ahead of the next storm system overspreading Northern Nevada Friday. This light precipitation will taper off Friday night, before ending Saturday morning. Snow levels will rise to around 6,500 feet Friday afternoon. | US National Weather Service Elko NV

Have you ever wondered how a Doppler radar works? Storm Team4 Meteorologist Ryan Miller explains how radio waves help track storms. http://nbc4dc.com/zbpIZca | NBC Washington