About the Observatory Weather Pages

• The quick-glance 40-hour cloud forecasts are provided by the Clear Sky Clock webpage.


• Tables of recent weather data are provided by the MesoWest Weather Data site, or by local instruments at the observatories themselves. (McDonald Observatory, Subaru Telescope, & Faulkes Telescope)


• The multi-day forecasts are provided by the National Weather Service.


• All of the webcam images come from various outside sources which you can identify by clicking on the images.


• The unique satellite/radar movies are from accuweather.com.