Fog lingers; wintry mix to snow Sunday evening into Monday

Many Minnesota and western Wisconsin residents are waking up to dense fog this Sunday.

The fog will linger much of the day in southern Minnesota, but it’s expected to diminish a bit elsewhere.

A dense fog advisory covers much of Minnesota and Wisconsin:

NWS Twin Cities

The Twin Cities metro area remains in a dense fog advisory until noon today, and is also in a winter weather advisory from 9 p.m. today through 9 a.m. Monday for a wintry mix changing to snow. The dense fog advisory continues through midnight Sunday night in Scott and Dakota counties and much of southern Minnesota.

Here  are dense fog advisory details for central and north portions of the metro area into central Minnesota

URGENT – WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
546 AM CST Sun Feb 3 2019

MNZ041>045-048>053-057>063-065>068-073-WIZ014-031800-
/O.CON.KMPX.FG.Y.0002.000000T0000Z-190203T1800Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Pope-Stearns-Benton-
Sherburne-Isanti-Chisago-Kandiyohi-Meeker-Wright-Hennepin-Anoka-
Ramsey-Washington-Renville-McLeod-Sibley-Carver-Redwood-Polk-
Including the cities of Alexandria, Long Prairie, Little Falls,
Princeton, Mora, Glenwood, St Cloud, Foley, Elk River, Cambridge,
Center City, Willmar, Litchfield, Monticello, Minneapolis,
Blaine, St Paul, Stillwater, Olivia, Hutchinson, Gaylord, Chaska,
Redwood Falls, and Osceola
546 AM CST Sun Feb 3 2019

…DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY…

* VISIBILITY…A quarter mile or less.

* IMPACTS…Significantly reduced visibilities. In addition, icy
conditions are expected due to the frozen ground.

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.

Wintry mix to snow Sunday evening into Monday

Snow is expected to spread into parts of northwestern Minnesota on Sunday. The snow area expands across most of northern Minnesota Sunday evening, with the snow continuing Sunday night into Monday.

Southern Minnesota and the Twin Cities metro area could see a wintry mix of rain, light freezing rain, sleet and snow Sunday night, changing over to all snow at some point on Monday.

The National Oceanic and Atmospheric Administration’s North American Mesoscale forecast model shows the potential precipitation pattern from Sunday afternoon through Monday evening:

NOAA NAM simulated radar from Sunday afternoon through Monday evening, via tropicaltidbits

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.

The heaviest snow Sunday afternoon into Monday will be in northern Minnesota:

NWS Grand Forks NWS Duluth

Here are the warning and advisories for the northwest, which begin at 6 p.m. this Sunday:

NWS Grand Forks

And the northeast:

NWS Duluth

The winter weather advisory in northeastern Minnesota begins at 10 p.m. this Sunday evening.

The Twin Cities metro could see occasional drizzle today then a wintry mix of light rain and light freezing rain and sleet this evening and tonight, changing to light snow late tonight or early Monday:

The winter weather advisory runs from 9 p.m. this Sunday to 9 a.m. Monday in the Twin Cities:

URGENT – WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
302 AM CST Sun Feb 3 2019

…FREEZING RAIN EXPECTED TONIGHT INTO MONDAY MORNING…

.Light freezing rain will develop late this evening and continue
for much of the night before mixing with sleet and snow Monday
morning. One tenth of an inch of ice and less than an inch of snow
are expected. A Winter Weather Advisory is in effect tonight and
Monday morning from southwest Minnesota to east central Minnesota
and west central Wisconsin.

MNZ051>053-058>063-065>070-073>078-082>085-091-092-WIZ014-015-
023>025-031715-
/O.NEW.KMPX.WW.Y.0009.190204T0300Z-190204T1500Z/
Sherburne-Isanti-Chisago-Meeker-Wright-Hennepin-Anoka-Ramsey-
Washington-Renville-McLeod-Sibley-Carver-Scott-Dakota-Redwood-
Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-Waseca-
Steele-Martin-Faribault-Polk-Barron-St. Croix-Pierce-Dunn-
Including the cities of Elk River, Cambridge, Center City,
Litchfield, Monticello, Minneapolis, Blaine, St Paul, Stillwater,
Olivia, Hutchinson, Gaylord, Chaska, Shakopee, Hastings,
Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, Red Wing,
St James, Mankato, Waseca, Owatonna, Fairmont, Blue Earth,
Osceola, Rice Lake, Hudson, River Falls, Prescott, and Menomonie
302 AM CST Sun Feb 3 2019

…WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
9 AM CST MONDAY…

* WHAT…Mixed precipitation expected. Total snow accumulations of
up to one inch and ice accumulations of one tenth of an inch
expected. Winds gusting as high as 35 mph.

* WHERE…Portions of northwest and west central Wisconsin and
central, east central, south central, southeast and southwest
Minnesota.

* WHEN…From 9 PM this evening to 9 AM CST Monday.

* ADDITIONAL DETAILS…Plan on slippery road conditions. The
hazardous conditions could impact the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Winter Weather Advisory means that periods of snow, sleet or
freezing rain will cause travel difficulties. Expect slippery
roads and limited visibilities, and use caution while driving.

The latest road conditions for Minnesota can be found at
511mn.org and for Wisconsin at 511wi.gov, or by calling 5 1 1 in
either state.

Here’s a summary:

NWS Twin Cities

You can check the latest forecasts from the NWS offices in the Twin Cities, Grand Forks, N.D., Sioux Falls, S.D., La Crosse, Wis. and Duluth.

As always, updated weather information can be heard on the Minnesota Public Radio Network, and you’ll also see updated weather info on the MPR News live weather blog.

This Updraft blog will be updated around mid-morning.

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.