The National Weather Service on Tuesday said there was a growing potential for "impactful" winter weather on Saturday, and that still looks to be the case, though meteorologist Sven Sundgaard isn't expecting a blockbuster snowstorm. 

"It is looking less impressive than it did earlier in the week," said Sundgaard in his Wednesday video briefing. "A quick shot of snow, but a high ratio of snow because temperatures are going to be pretty chilly." 

How much snow could fall is still up in the air, but Sundgaard is currently thinking a "good 3-4 inches of fresh snow Saturday night." 

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Here's what the forecast discussion from the Twin Cities office of the National Weather Service says of the Saturday snow potential: 

"The winds should be light with this snow, and temperatures will be cool enough that this will be a more fluffy snow. It is still too early to forecast snowfall amounts. Based on the ensemble guidance, 0.20 to 0.30 inches of precipitation seems reasonable, along with ratios of 15-20:1. That puts most locations in the 3 to 6 inch snowfall range, but please keep in mind that changes in precipitation amounts or ratios will change the snowfall forecast. For example, if 0.40 inches of precipitation falls with a ratio of 20:1, that would lead to 8 inches of snow. Specific details in amounts will become more clear over the next couple of days."