... also (for devs)
I think you must keep the green colour code for areas with no sign. weather
(No special awareness required)
cause now we don't know if a "gray" colour means
"no awarness required" or "no data". (see Germany)
So you should see the small clock in the low right corner of your screen.
Find additional information on symbols here:
You can find it on https://www.opencyclemap.org/
Is it possible to create different layers in Windy?
Let's say just walking routes, just biking or even just nothing.
There is this possibility (sort of) in the Android app by switching from Tourist to Winter, but that makes the colors fade and the woods turn green.