I also occasionally see this issue, and have for a while. Sometimes it will start working on its own, and other times a simple restart of the weather PC will fix it. I have not had any opportunity to try to diagnose this when it occurs 
I also occasionally see this issue, and have for a while. Sometimes it will start working on its own, and other times a simple restart of the weather PC will fix it. I have not had any opportunity to try to diagnose this when it occurs