Clouds linger Sunday; a few flakes and a chance of freezing mist

Advisory until 9 a.m. for far southeastern Minnesota

We’re starting our Sunday with some icy roads in spots. A winter weather advisory continues until 9 a.m. this Sunday in portions of southeastern Minnesota, southern Wisconsin and northeastern Iowa:

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Winter weather advisory until 9 a.m. Sunday
National Weather Service

Here are details of the winter weather advisory:

URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 257 AM CST Sun Jan 17 2021 ...Slippery Travel Conditions into this Morning from Icy and Snow Covered Roads... .Lingering freezing drizzle over central and southwest Wisconsin will transition to light snow early this morning. Some untreated icy roads may accumulate a layer of light snow on them, leading to slippery travel conditions even after drizzle has stopped. If you must travel, take it slow and be prepared for slippery road conditions. IAZ010-011-029-030-MNZ079-088-095-096-WIZ032>034-041>044-053>055- 061-171500- /O.EXT.KARX.WW.Y.0002.000000T0000Z-210117T1500Z/ Winneshiek-Allamakee-Fayette-Clayton-Wabasha-Winona-Fillmore- Houston-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-Adams- Vernon-Crawford-Richland-Grant- Including the cities of Decorah, Waukon, Oelwein, Elkader, Wabasha, Winona, Preston, Caledonia, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, Friendship, Viroqua, Prairie Du Chien, Richland Center, and Platteville 257 AM CST Sun Jan 17 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Freezing drizzle transitioning to light snow. Additional snow accumulations of less than a half inch and ice accumulations of a light glaze. * WHERE...Portions of central, southwest and west central Wisconsin, northeast Iowa and southeast Minnesota. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

You can hear updated weather information for Minnesota and western Wisconsin on the MPR network, and you’ll see updated weather info on the MPR News live weather blog.

Snow chances

There will be some areas of fog this Sunday morning. Light snow or flurries will develop at times today in Minnesota and western Wisconsin. Patchy freezing drizzle and freezing mist are also possible.

The National Oceanic and Atmospheric Administration’s North American Mesoscale (NAM) forecast model shows the potential precipitation pattern Sunday through Sunday evening:

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Simulated radar Sunday and Sunday evening
NOAA, via Tropicaltidbits.com

Temps and winds

Sunday highs will be mild (for January). Our average Twin Cities high temp is 23 degrees this time of year. Twin Cities highs are expected to reach the upper 20s this Sunday, and 20s will be common across most of Minnesota and western Wisconsin:

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Sunday forecast highs
National Weather Service

Southwestern Minnesota could reach the lower 30s.

Sunday afternoon wind gusts of 9-15 mph are expected in most areas, with gusts over 20 mph possible in parts of southwestern and west-central Minnesota:

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Sunday noon forecast wind gusts
National Weather Service

Plotted winds are in knots, with 8 knots equal to around 9 mph.

Update

This Updraft blog will be updated around 10:15 a.m., with a look at the week ahead.

Programming note

You can hear my live weather updates on MPR News at 7:35 a.m., 9:35 a.m. and 4:39 p.m. each Saturday and Sunday.

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