Thunderstorm activity will become more widespread this weekend and into next week. 

The higher peaks could see some light snow accumulations.    

Salida and Buena Vista can expect a high of 71. Look for an overnight low of 43.    
The San Luis Valley will see a high of 69, a low of 41.  
Leadville and Fairplay will warm up to 53 with a low of 31.