CLI Plugin for Heroku Status 
Read more about Toolbelt 4.0 plugins here.
How to install this plugin
This CLI comes built into the Heroku CLI. https://cli.heroku.com
Available commands
$ heroku status
=== Heroku Status
Development: No known issues at this time.
Production: No known issues at this time.or, if there were a real incident...
$ heroku status
=== Heroku Status
Development: Yellow
Production: Yellow
=== Increased Platform Latency 7:04:22 PM UTC
7:04:22 PM UTC (42 minutes ago) [Issue] We are experiencing a network connectivity issue with our upstream provider. We will post another update as to the status in an hour if not sooner.More about https://devcenter.heroku.com/articles/heroku-status