Snow update Sunday into Monday; advisories, warnings for many areas

Updated 8:45 a.m.

Some snow fell overnight and additional periods of snow are in the forecast Sunday. The snow lingers into Sunday night and Monday in portions of northeastern Minnesota, far southeastern Minnesota and much of Wisconsin.

The National Oceanic and Atmospheric Administration’s High-Resolution Rapid Refresh models show the potential precipitation pattern from 10 a.m. Sunday to 6 p.m. Monday:

Snow totals so far

Snow reports are starting to come in this morning. You can find a plot of snow reports here.

This is how the snow report map looked at around 8 a.m.:

Snow totals are highest where there was an earlier changeover to snow Saturday night.

The 7 a.m. snow total at Minneapolis-St. Paul International Airport was three-tenths of an inch. The National Weather Service office in Chanhassen has tallied 1.8 inches so far.

Here are some additional snow reports:

• 5.3 inches, Spencer Brook (Isanti County)

• 5 inches, Pierz (Morrison County)

• 4.8 inches, Albany (Stearns County)

• 4.3 inches, Big Lake

• 3.1 inches, St. Cloud

• 3 inches, Mora and Dassel

• 2.8 inches, Maple Grove

Additional snow reports will probably arrive through Sunday night. You can pan and zoom the map at the linked site and then hover over any data point to get the exact location and snow total, plus the time of the snow measurement.

If you are measuring snow, it’s best to average as least three measurements in spots with little or no drifting. Don’t measure in areas where the snow may have blown off a roof.

Here are forecast storm totals which include what has already fallen:

There will be a second phase to the storm Sunday evening through Monday afternoon that will dump heavy snow in parts of Wisconsin:

Here is the snow forecast for northeastern Minnesota and northwestern Wisconsin:

Winter storm warnings, weather advisories

Here are advisories and winter storm warnings with various start and end times:

Here are details of the winter weather advisory that includes central Minnesota, the Twin Cities metro and parts of western Wisconsin:

URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 334 AM CDT Sun Apr 16 2023 MNZ043>045-049>053-058>063-066>070-075>078-083>085-092-093-WIZ014- 023-024-161645- /O.CON.KMPX.WW.Y.0020.000000T0000Z-230417T0300Z/ Morrison-Mille Lacs-Kanabec-Stearns-Benton-Sherburne-Isanti- Chisago-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-McLeod- Sibley-Carver-Scott-Dakota-Nicollet-Le Sueur-Rice-Goodhue- Blue Earth-Waseca-Steele-Faribault-Freeborn-Polk-St. Croix-Pierce- Including the cities of Little Falls, Princeton, Mora, St Cloud, Sauk Rapids, Elk River, Cambridge, Center City, Litchfield, Monticello, Minneapolis, Blaine, St Paul, Stillwater, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, St Peter, Le Sueur, Faribault, Red Wing, Mankato, Waseca, Owatonna, Blue Earth, Albert Lea, Osceola, Hudson, and River Falls 334 AM CDT Sun Apr 16 2023 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 45 mph. * WHERE...Portions of central, east central, south central and southeast Minnesota and northwest and west central Wisconsin. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. 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.

The winter storm warning for Winona and Houston counties in southeastern Minnesota and into Wisconsin begins at 7 p.m. Sunday and runs to 10 a.m. Monday:

URGENT - WINTER WEATHER MESSAGE National Weather Service La Crosse WI 339 AM CDT Sun Apr 16 2023 ...Band of Heavy Snow Expected Tonight into Monday Morning... .A very complex winter storm system impacts the region this afternoon through Monday morning. Snow develops this afternoon and increases in intensity overnight along and east of the Mississippi River where snowfall rates will likely exceed an inch per hour. Initial snowfall accumulations this afternoon will be tempered by melting, but as the sun sets and temperatures fall, rapid snow accumulation is expected. Total snow amounts will vary widely over short distances, but the highest amounts of 6 to 12 inches should fall along a north to south band from southwest into central Wisconsin by Monday morning. Travel tonight and into Monday will be significant hampered and some roads may be impassable until plowed. In addition, strong winds of 35 to 45 mph will further reduce visibilities during the times of heavier snow and a mix of freezing rain is possible north of Highway 10 in central Wisconsin this evening before transitioning to all snow. MNZ088-096-WIZ017-029-032>034-041>044-053>055-061-170045- /O.UPG.KARX.WS.A.0008.230417T0000Z-230417T1500Z/ /O.NEW.KARX.WS.W.0008.230417T0000Z-230417T1500Z/ Winona-Houston-Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse- Monroe-Juneau-Adams-Vernon-Crawford-Richland-Grant- Including the cities of Winona, Caledonia, Medford, Neillsville, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, Friendship, Viroqua, Prairie Du Chien, Richland Center, and Platteville 339 AM CDT Sun Apr 16 2023 ...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 10 AM CDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 45 mph. * WHERE...Portions of southeast Minnesota and central, north central, southwest and west central Wisconsin. * WHEN...From 7 PM this evening to 10 AM CDT Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions will impact the Monday morning commute. * ADDITIONAL DETAILS...There will be a very tight gradient in snowfall amounts along the edges of the warning in southeast Minnesota and far southwest Wisconsin. These areas may only see a few inches of snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. In Minnesota, visit 511mn.org for road conditions. In Wisconsin, visit 511wi.gov for road conditions.

Here are advisories and warnings for northeastern Minnesota and northwestern Wisconsin:

Here are details of the winter storm warning in Lake and Cook counties in northeastern Minnesota:

URGENT - WINTER WEATHER MESSAGE National Weather Service Duluth MN 324 AM CDT Sun Apr 16 2023 MNZ012-020-021-162030- /O.CON.KDLH.WS.W.0014.230416T1300Z-230418T0000Z/ Northern Cook and Lake-Southern Lake-Southern Cook- Including the cities of Isabella, Two Harbors, Silver Bay, and Grand Marais 324 AM CDT Sun Apr 16 2023 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM CDT MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches and ice accumulations of around one tenth of an inch. Winds gusting as high as 50 mph causing blowing and drifting snow. * WHERE...Northern Cook and Lake, Southern Lake and Southern Cook Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...From 8 AM this morning to 7 PM CDT Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...This should be a wet and heavy snow. Power outages are possible. 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 can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

There’s a wind advisory for the Twin Cities metro area and much of the southern half of Minnesota Sunday afternoon and evening, with wind gusts up to 45 mph possible at times.

You can check the National Weather Service offices in the Twin Cities, Duluth and La Crosse, Wis., for updated forecasts and details on warnings and advisories this weekend.

You can find updated weather information for Minnesota and western Wisconsin on the MPR News network.

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.