A freeze warning is in effect for parts of South Florida as the NEXT Weather Team tracks a significant arctic blast.

Will it be in the 30s again?

Miami's weather this week includes scattered showers transitioning to clearer skies, with the highs fluctuating around the upper 70s to low 80s. Rain chances decrease with a mostly sunny weekend ahead.

In this file photo from Dec. 31, 2020, Mat Nittmann wears a Santa Claus costume while kiteboarding at Crandon Park Beach in Key Biscayne, Florida. The weather forecast for Christmas Week 2025 calls for comfy temperatures so don’t rule out Santa swims.

"I haven't seen something like this," says a National Weather Service meteorologist.

Miami's weather is set to change with a 50% chance of showers today and a cold front hitting over the weekend, leading to a freeze watch.