Related Clues:

• Signal, as a taxi
• Frozen 61-Across
• Precipitation type
• Reason to bring out the chains
• Skier's wish
• Wintery downpour
• Flag down a cab
• Blizzard feature
• Throw off the track
• Picnic concern
• Solid precipitation
• Postal creed obstacle
• Frozen rain
• Picnic ruiner
• April weather