πυῤῥάζω G4449
pyrrházō · poor-hrad'-zo · Verb
from πυῤῥός; to redden (intransitively):--be red.
2 Occurrences in the King James Bible
Matthew 16:2He answered and said unto them, When it is evening, ye say, It will be fair weather: for the sky is red.
Matthew 16:3And in the morning, It will be foul weather to day: for the sky is red and lowring. O ye hypocrites, ye can discern the face of the sky; but can ye not discern the signs of the times?