Nice Sunday; Rain, ice and snow late Sunday night and Monday

It’ll be a nice winter day today.

Parts of Minnesota will have patchy early morning fog. Most of Minnesota and western Wisconsin will have plenty of sunshine Sunday, possibly filtered by high clouds at times this afternoon.

Highs will be mainly in the 30s:

Parts of northwestern and northeastern Minnesota will have highs in the 20s.

Rain, ice and snow move in Sunday night

A low pressure system will spread precipitation into southern, central and eastern Minnesota and much of Wisconsin overnight Sunday night, with precipitation continuing on Monday.

The precipitation will begin as rain in many areas, with freezing rain at locations that have cold enough surface temperatures. Some locations will see a mix of rain, freezing rain and snow. Periods of rain, freezing rain and snow transition to mainly snow as colder air arrives at some point on Monday.

The National Oceanic and Atmospheric Administration’s North American Mesoscale (NAM) forecast model shows the potential precipitation pattern from 8 p.m. Sunday to 8 p.m. Monday:

Here is the potential for ice accumulation:

Here’s the ice potential in northeastern Minnesota and northwestern Wisconsin:

Here’s the snow forecast for those same areas:

This is the Monday snow potential elsewhere:

Warnings and advisories

Winter storm warnings for ice begin at midnight Sunday night and continue until 6 p.m. Monday in several Wisconsin counties, with winter weather advisories for portions of central Minnesota and the north/east metro:

Here’s an overview of the storm, plus central Minnesota and metro advisory details:

URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 403 AM CST Sun Feb 26 2023 ...ICY PRECIPITATION LIKELY LATE TONIGHT THROUGH MONDAY... .A strong storm system will bring widespread precipitation to central and southern Minnesota into western Wisconsin late tonight through most of Monday. The precipitation will start out as a mix of rain and freezing rain late tonight, with the icy precipitation most likely north of a line from Appleton to Anoka MN to Durand WI. The precipitation will gradually mix with rain and snow late Monday morning then change over to all snow Monday afternoon and evening before ending. The highest ice amounts are expected in western Wisconsin, where around one quarter inch of ice is likely. Going westward across central Minnesota, ice accumulations may reach one to two tenths of an inch. A Winter Storm Warning is in place for much of western Wisconsin while a Winter Weather Advisory is in place for central Minnesota north of a line from Appleton to Litchfield to Anoka to Stillwater, continuing through Pierce and Pepin counties in western Wisconsin. At this time, freezing rain is not expected inside or south of the Interstate 694 and 494 loop around the Twin Cities. MNZ047-055-057>059-061-063-WIZ024-026-261900- /O.NEW.KMPX.WW.Y.0010.230227T0600Z-230228T0000Z/ Stevens-Swift-Kandiyohi-Meeker-Wright-Anoka-Washington-Pierce- Pepin- Including the cities of Morris, Benson, Willmar, Litchfield, Monticello, Blaine, Stillwater, River Falls, and Durand 403 AM CST Sun Feb 26 2023 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST MONDAY... * WHAT...Freezing rain, occasionally mixed with snow. Total snow accumulations of up to one inch and ice accumulations of up to one tenth of an inch. Winds gusting as high as 35 mph. * WHERE...Portions of central, east central and west central Minnesota and west central Wisconsin. * WHEN...From midnight tonight to 6 PM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. 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. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

Here are details of the winter storm warning for ice that begins at midnight in several western Wisconsin counties:

IZ014-023-025-028-261900- /O.UPG.KMPX.WS.A.0004.230227T0600Z-230227T1500Z/ /O.NEW.KMPX.WS.W.0005.230227T0600Z-230228T0000Z/ Polk-St. Croix-Dunn-Eau Claire- Including the cities of Osceola, Hudson, Menomonie, and Eau Claire 403 AM CST Sun Feb 26 2023 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST MONDAY... * WHAT...Freezing rain, occasionally mixed with snow. Total snow accumulations of up to two inches and ice accumulations of around one quarter inch. Winds gusting as high as 40 mph. * WHERE...Polk, St. Croix, Dunn and Eau Claire Counties. * WHEN...From midnight tonight to 6 PM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions may impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

You can find updated weather information for Minnesota and western Wisconsin on the Minnesota Public Radio News network, and on the MPR News live weather blog.

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. Saturday and Sunday.