It should do. I just checked Ambient's site and checked what stations are supported WMR200 is listed:
"
All Oregon Scientific Weather Stations, including the WMR-100, WMR200, WMR-918, WMR-928N, WMR-968 and WM-918"
Also there is this version available:
April 6, 2008, Version 14.00p022- Added support for Oregon Scientific WMR200 / WMR200A
Virtual Weather Station Version History