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Updraft® - Minnesota Weather News
Paul Huttner

Wintry Wednesday ahead; accumulating snow in NW Minnesota

Wind-driven snow showers in the Twin Cities could lay down a snowy coating

Snowfall projection for Minnesota
Snowfall projection for Minnesota
National Oceanic and Atmospheric Administration

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Here it comes, Minnesota.

Wednesday, Nov. 20 might be the day we can say it felt like real winter for the first time this season.

A tightly wound low-pressure system will spin southward through the Red River Valley on Wednesday. It’s cold enough to produce snow. The heaviest snow will fall across the Red River Valley into northwestern Minnesota, but some occasionally vigorous snow showers will sail through the Twin Cities on Wednesday.

The National Oceanic and Atmospheric Administration’s NAM 3 km model shows the system spinning southward with steadier snow in the northwest and snow showers in the Twin Cities and south.

The forecast model loop below runs between midnight Wednesday and midnight Thursday.

NOAA NAM 3 km model
North American Mesoscale 3 km model Wednesday
NOAA, via Tropical Tidbits

Snowfall accumulations will be heaviest in the northwest. Anywhere from 2 to 6 inches of wind-driven snow will fall in those areas. The Twin Cities is likely to pick up a coating, mainly on grassy areas.

NOAA HRRR snowfall output
High-Resolution Rapid Refresh model snowfall output through Wednesday
NOAA, via Pivotal Weather

The pavement is still warm but temperatures will be near freezing, so slick spots could develop especially Wednesday night.

Forecast high temperatures Wednesday
Forecast high temperatures Wednesday
NOAA

Temperatures will remain in the 20s and 30s for the next several days. It appears our seasonal transition to winter weather is here to stay.