sky.gshaw.ca draws weatherglass's sky as a JPEG: the weather at a place now, from weatherq, at the time of day there.

  https://sky.gshaw.ca/49.27,-123.16

Options, all optional:
  w, h      size in CSS pixels, 64 to 2560; 1600 × 900 if left out
  dpr       pixels per CSS pixel, 1 to 3, for srcset; at most 4,096,000 pixels in all
  look      a condition word in place of the weather now, such as rain, snow or partly-cloudy
  at        an instant in place of now, such as 2026-11-04T17:46-07:00
  horizon   where the sky meets the dark band at the bottom, 0.3 to 1; 0.7 if left out
  sun       0 to leave the sun's disc and glow out

A live sky changes every 5 minutes. The X-Sky-Weather header says what it shows.
The lab: https://weatherglass.gshaw.ca