Rock Island Lake Weather Forecast

Today 19 Dec Yosemite NP outside of the valley

Mostly sunny until late afternoon then becoming mostly cloudy. Chance of snow and rain in the late morning and early afternoon. Rain with snow likely late in the afternoon. Little or no snow accumulation. Snow level above 8000 feet. Highs 40 to 52. Southwest Winds 5 to 15 Mph with Gusts to around 55 Mph. Chance of precipitation 90 percent.