This milepost forecast is designed to give you an idea of what the weather will be like while traveling down the road. There are three zoom levels starting with mileposts spaced approximately 10 miles apart. The next level is 5 miles and the last every mile. Milepost location information was provided by the California Department of Transportation. In addition to the mileposts, summit locations are indicated by red triangles. This forecast is for planning purposes only and you should always check for the latest conditions.