Local Clear Sky Chart Seeing Prediction:

      Seeing Forecast Maps for North America:

      http://www.weatheroffice.gc.ca/astro/seeing_e.html

      Massachusetts Weather:

      (Temperature/Dewpoint/Winds/Fog/Sky Cover/Precipitation)

      http://www.nws.noaa.gov/forecasts/graphical/sectors/massachusetts.php

      IR Cloud Cover Animation: (credit NOAA)

     Water Vapor Map (Eastern US): (credit NOAA)

      Visible Satellite (Eastern US): (credit NOAA)

      Jet Stream Speed and Location:

      (credit: San Francisco State University)

      The moon's appearance today: (credit: US Naval Observatory)

Weather Sites of Interest:

National Weather (US): http://www.nws.noaa.gov/forecasts/graphical/sectors/conus.php

Seeing Maps: http://www.weatheroffice.gc.ca/astro/seeing_e.html

Jet Stream Strength & Location (US):  http://squall.sfsu.edu/crws/jetstream.html

IR Weather Animation (Eastern US): http://www.goes.noaa.gov/GSSLOOPS/ecir.html

Current Moon Phase: http://www.calculatorcat.com/moon_phases/phasenow.php