Scattered showers and thunderstorms will develop in the afternoon and evening hours.

The main risks will be lightning and locally heavy rainfall which will be capable of producing flash flooding.

Widespread thunderstorms are likely Monday through Thursday. 

Salida and Buena Vista can expect a high of 79. Look for an overnight low of 57.    
The San Luis Valley will see a high of 69, a low of 49.   
Leadville and Fairplay will warm up to 65 with a low of 41.