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Blue Marble, Apollo 17, NASA
The view of Earth captured by the Apollo 17 crew on December 23, 1972. (NASA)
Weather resources

Tonight’s Forecast: Cloudy or Clear?

Don’t plan a big night observing without consulting these weather resources.

By on Dec 01, 2019

Government of Canada—Weather Information for Astronomers
This web site gives access to up-to-date meteorological forecasts in order to help astronomers make their sky-observing plans. Visibility is broken down by cloud forecast, seeing forecast, sky transparency and weather forecast near the ground.
https://weather.gc.ca/astro/index_e.html

Clear Sky Charts
The go-to site for amateur astronomers in search of at-a-glance forecasts for nights of clear, dark skies by location. The data on this site comes from model developed by Alan Rahill of the Canadian Meteorological Centre.
http://www.cleardarksky.com/csk/

Government of Canada
Official government site with the latest overall weather forecast, 24-hour detailed forecasts and seven-day forecast for locations across Canada. Includes local radar and satellite imagery. You’ll need to drill down a few clicks from province to city to get your local weather statement.
https://weather.gc.ca/canada_e.html

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