January in Railway Crossing 99 is the cloudiest and the most freezing month of the year. In January, the weather in Railway Crossing 99 is typically freezing. Average daily high temperature in January is about 5 degrees below zero. On average, Railway Crossing 99 has 20 cloudy, 5 sunny, 4 partly cloudy, and 2 snowy days in January. The snowfalls are usually light.