|WeatherSA Frost Map for 20 June 2011|
The closest town on WeatherSA I could find was Aliwal North, which recorded temperatures of -3 and 14 degrees today. Further to the freezing temperatures, WeatherSA also has a 'Frost' map on their site. Sooner rather than later, snow and ice will start slowing down the pace and make pedaling even more challenging.
Traveling to Kranzkop tomorrow, this is what they are in for: