Saturday night fog and shower chance; snow should taper off in northern Minnesota

Road conditions at 5 p.m. Saturday, via the Minnesota Department of Transportation

Periods of snow will continue into Saturday evening in parts of northern Minnesota, then it tapers off later Saturday night.

Winter weather advisories continue until 10 p.m. Saturday in parts of northern Minnesota due to snow, low visibilities and slippery roads:

rt1104adv7
NWS Duluth
rt1104adv8
NWS Grand Forks

Here are details of the advisory for northeastern Minnesota:

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URGENT - WINTER WEATHER MESSAGE

National Weather Service Duluth MN

317 PM CDT Sat Nov 4 2017

MNZ010-011-018-019-050300-

/O.CON.KDLH.WW.Y.0027.000000T0000Z-171105T0300Z/

Koochiching-North St. Louis-North Itasca-Central St. Louis-

Including the cities of International Falls, Ely, Bigfork,

and Hibbing

317 PM CDT Sat Nov 4 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS

EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions.

Additional snow accumulations of up to two inches are expected.

* WHERE...Koochiching, North St. Louis, North Itasca and Central

St. Louis County.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at

times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will

cause primarily travel difficulties. Be prepared for snow covered

roads and limited visibilities, and use caution while driving.

The latest road conditions for Minnesota can be obtained by

calling 511 in state, or 1-800-542-0220. For Wisconsin, call

511 in state, or 1-866-511-9472

And northwestern Minnesota advisory details:

URGENT - WINTER WEATHER MESSAGE

National Weather Service Grand Forks ND

340 PM CDT Sat Nov 4 2017

MNZ005-006-008-009-050300-

/O.CON.KFGF.WW.Y.0013.000000T0000Z-171105T0300Z/

Roseau-Lake Of The Woods-East Marshall-North Beltrami-

Including the cities of Roseau, Warroad, Greenbush, Baudette,

Newfolden, Middle River, Grygla, Red Lake, Redby, and Ponemah

340 PM CDT Sat Nov 4 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS

EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions.

Additional snow accumulations of 1 to 3 inches are expected,

with locally higher amounts possible near the Lake of the

Woods.

* WHERE...Portions of north central and northwest Minnesota.

* WHEN...Until 10 PM CDT this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at

times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will

cause primarily travel difficulties. Be prepared for snow covered

roads and limited visibilities, and use caution while driving.

The latest road conditions for the state you are calling from can

be obtained by calling 5 1 1.

Dense fog overnight

Dew point temperatures in the 30s are moving over fresh snow cover in central Minnesota this Saturday evening.

The air will cool to the dew point and areas of dense fog are expected.

The National Weather Service has issued dense fog advisories from west-central through central Minnesota that run until 2 a.m. Sunday:

rt114dense2
NWS Twin Cities

Details of the dense fog advisory:

URGENT - WEATHER MESSAGE

National Weather Service Twin Cities/Chanhassen MN

334 PM CDT Sat Nov 4 2017

MNZ041>043-047>050-050445-

/O.CON.KMPX.FG.Y.0011.000000T0000Z-171105T0800Z/

Douglas-Todd-Morrison-Stevens-Pope-Stearns-Benton-

Including the cities of Alexandria, Long Prairie, Little Falls,

Morris, Glenwood, St Cloud, and Foley

334 PM CDT Sat Nov 4 2017

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 2 AM CST SUNDAY...

* VISIBILITY...1/4 mile or less at times.

* IMPACTS...Fog will become more widespread this evening.

Drivers may encounter sudden reductions in visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Dense Fog Advisory means visibilities will frequently be

reduced to less than one quarter mile. If driving...slow down...

use your headlights...and leave plenty of distance ahead of you.

And here's the eastern portion of the advisory:

URGENT - WEATHER MESSAGE

National Weather Service Twin Cities/Chanhassen MN

334 PM CDT Sat Nov 4 2017

MNZ044-045-051-052-050445-

/O.EXA.KMPX.FG.Y.0011.000000T0000Z-171105T0800Z/

Mille Lacs-Kanabec-Sherburne-Isanti-

Including the cities of Princeton, Mora, Elk River, and Cambridge

334 PM CDT Sat Nov 4 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 AM CST SUNDAY...

The National Weather Service in Twin Cities/Chanhassen has issued

a Dense Fog Advisory, which is in effect until 2 AM CST Sunday.

* VISIBILITY...1/4 mile or less at times.

* IMPACTS...Fog will become more widespread this evening.

Drivers may encounter sudden reductions in visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Dense Fog Advisory means visibilities will frequently be

reduced to less than one quarter mile. If driving...slow down...

use your headlights...and leave plenty of distance ahead of you.

Some areas of fog are expected in the Twin Cities metro area overnight, and into western Wisconsin.

Snow pattern

Here's a look at snow accumulations across central Minnesota Friday afternoon and Friday night:

rt114snowtot
NWS Twin Cities

Specific snow reports are also posted by the National Weather Service.

There’s also an interactive map that allows you to click on a location for snow totals.

You might want to use the "last 48 hours" tab at the top of that map, since the snow began Friday afternoon in some areas.

Precipitation chances

Snow tapers overnight Saturday night in northern Minnesota, while central Minnesota has a chance of drizzle and rain and snow showers overnight into Sunday morning.

Southern Minnesota and the Twin Cities metro area could see patchy rain showers and drizzle Saturday night into Sunday, possibly mixed with a few snowflakes Sunday morning.

The National Oceanic and Atmospheric Administration's North American Mesoscale forecast model shows the potential precipitation pattern Saturday night through Sunday:

rt1104rad2
NOAA NAM simulated radar Saturday night through Sunday afternoon, via tropicaltidbits

Green areas in the simulated radar loop indicate rain, blue areas are snow.

The color chart to the right of the loop refers to the strength of the signal that returns to the radar, not to the amount of snow or rain.

Programming note

You can hear my live weather updates on Minnesota Public Radio at 7:49 a.m. Thursdays and Fridays, and at 7:35 a.m., 9:35 a.m. and 4:35 p.m. each Saturday and Sunday.