Here are some possibilities:
Dying, Expiring, Perishing, Departing, Passing
Grieving
Dying
dieing
soothing
Discouraging
Yelling, tackling,
Schooling studying reading
dieing
soothing
Discouraging
soothing Flaming beautiful
Yelling, tackling,
Schooling studying reading
Winning, being victorious, not losing.
kissing, hugging, loving, smiling, laughing
Bawling, weeping, greeting (Scotish), howling
Rustling, shimmering, dying, dancing, and lying.
Glistening, sparkling, shining, enchanting, etc.
Some words that have ING in them and can be used to describe the sky are glistening and sparkling. Another word to describe the sky would be dazzling.