Possible Clues:

• Like poor fest conditions
• (Of a liquid) not clear
• Like gray days
• Far from sunny
• Conservative forte at end of day unclear
• Grey hollow chimney muffles roaring
• Murky or nebulous
• Within country's borders it's somehow vulgar and gloomy
• Obscure brash Yankee about to take the lead
• Dull city centre's gone flashy inside