NWS still watching potential for winter storm to impact parts of southern MN Tuesday night

Refined details are expected later in the weekend.
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Pre-Thanksgiving snow? The National Weather Service says confidence is increasing for parts of southern Minnesota to pick up some snow Tuesday night into Wednesday morning. 

"It still looks like southern Minnesota and parts of Wisconsin could see some snow Tuesday night. There is quite a bit of uncertainty of where, or how much snow will fall, because the storm track continues to shift," the Twin Cities office of the NWS says, urging people to "check back for forecast updates over the weekend."

Determining specific snow amounts at this point is impossible, the weather service says

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Here's more from the National Weather Service office out of La Crosse, Wisconsin: 

"Planning Thanksgiving travel Tuesday and Wednesday? You'll really want to keep a close eye on the weather forecast the next few days as the possibility exists for a winter storm across portions of the area. Right now, it remains too early to determine exactly which, if any, areas will receive wintry precipitation but should snow occur, hazardous travel could quickly develop by Tuesday night."

NWS La Crosse meteorologists agree that the storm track and potency of the storm is "HIGHLY LIKELY" to change between now and when the low pressure system actually arrives. 

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Model runs have been all over the map. Earlier this week, model simulations had Minnesota getting pounded. Models then started taking the system through Chicago, or even further east, which indicated the possibility of Minnesota missing the storm by 500-600 miles. Now the models are swing back to the west, teasing Minnesota again. More changes are possible over the next three days. 

Here's the latest (as of 5:30 p.m.) GFS (American) model simulation. 

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Here's the latest European model simulation. 

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And this is the Canadian model. 

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With more storm track changes possible, you'll definitely want to keep tabs on the forecast as the storm could cause significant travel impacts Tuesday-Wednesday. 

Thanksgiving Day looks to be dry while there is a possibility for another snowmaker to arrive next weekend. That's way too far out for any specifics, the weather service notes. 

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