Mostly cloudy with a slight chance of rain and snow showers in the evening...partly cloudy with a chance of rain showers and a slight chance of snow showers after midnight. Little or no snow accumulation. Snow level 6000 feet decreasing to 3500 feet after midnight. Lows around 22 on the North Rim to around 37 along the Colorado River. West winds around 15 mph shifting to the north with gusts to around 30 mph in the late evening and overnight. Chance of precipitation 30 percent.