Well, butterflies are about done here in Michigan. Cold weather (lows in the low 30's) rain and wind make for rough butterfly finding.
To the best of my knowledge, Monarchs were last recorded on October 13 on the campus of Michigan State University.
It may get up to the low 60's next week for a day or two. With luck, a Mourning Cloak would be flying.

If you have not gotten signed up for e-butterflies.org, you should. ebutterflies.org is very similar to ebirds.com. e-butterflies.org does not have all the bells and whistles of ebirds, but the information is excellent.
As ebutterflies progresses, it will become as valuable to butterfliers as ebirds as become to birders.
Already, I have found places to visit within a days drive of where I live that will allow me to see butterflies that I have not seen before. Northern Metalmark is a good example.
Checkout e-butterflies.org, sign up and enter your sightings. It will be better for all of us.

 http://e-butterfly.org/#&panel1-2