Updraft® - Minnesota Weather News

The snow isn't over: Storm totals, weather advisories and warnings

Rivers already at flood stage in parts of Minnesota, NW Wisconsin

Spring weather will return eventually.

Many areas saw some snow Saturday night and Sunday morning, and additional periods of snow are in the forecast Sunday afternoon and evening.

Snow lingers through Sunday night and into Monday in portions of northeastern Minnesota, far southeastern Minnesota and in much of Wisconsin.

The National Oceanic and Atmospheric Administration’s North American Mesoscale (NAM) forecast model shows the potential precipitation pattern from 1 p.m. Sunday to 6 p.m. Monday:

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Simulated radar from 1 p.m. Sunday to 6 p.m. Monday
NOAA, via Tropicaltidbits.com

There may be some drizzle or light rain mixed with the snow in some areas. Some locations could see a bit of icing.

Snow totals so far

Snow reports continuing to come in. You can find a plot of snow reports here.

This is how the snow report map looked at around midday Sunday:

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Snow reports received through noon Sunday
National Weather Service

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. An updated snow total will arrive Sunday afternoon. The National Weather Service office in Chanhassen has tallied 1.8 inches of new snow so far.

Here are some additional snow reports:

  • 6.6 inches, Grove City (Meeker County)

  • 5.3 inches, a few miles northeast of Brainerd, and also in Spencer Brook (Isanti County))

  • 5 inches, Pierz (Morrison County)

  • 4.8 inches, Albany (Stearns County)

  • 4.3 inches, Big Lake

  • 4 inches Little Falls and Garrison

  • 3.9 inches Chisholm

  • 3.1 inches, St. Cloud and Cambridge

  • 3 inches, Mora and Dassel

  • 2.8 inches, Maple Grove

Additional snow reports will arrive Sunday afternoon 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’re 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.

Additional snow

Additional snow totals of 2 to 3 inches are possible Sunday in central Minnesota and parts of southern Minnesota, with higher snow totals in northeastern Minnesota and portions of northwestern Wisconsin.

The heaviest snow Sunday night into Monday will be in portions of southeastern Minnesota and in northeastern Minnesota and parts of Wisconsin:

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Sunday evening through Monday afternoon
National Weather Service

Here’s the snow forecast for northeastern Minnesota and northwestern Wisconsin:

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Snow totals for two pulses of the storm
National Weather Service

Winter storm warnings, weather advisories

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

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Winter weather advisories (blue) and winter storm warnings
National Weather Service

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 1007 AM CDT Sun Apr 16 2023 MNZ043>045-049>053-058>063-066>070-WIZ014-023-024-162315- /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-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, Osceola, Hudson, and River Falls 1007 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 2 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.

A winter weather advisory includes the Rochester area Sunday afternoon and evening.

A 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.

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.

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

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Winter weather advisories (blue) and winter storm warnings
National Weather Service

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.

You can check the National Weather Service offices in the Twin CitiesDuluth 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.

River level update

Rivers have already reached flood stage in parts of Minnesota and northwestern Wisconsin. You can check the river levels at various locations in northern Minnesota and northwestern Wisconsin here.

This is how the linked map looked Sunday morning:

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River gauges and status
NOAA/NWS/U.S. Geological Survey

You can find info on river levels elsewhere in Minnesota and western Wisconsin here.
Here’s how the linked map looked Sunday morning:

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River gauges and status
NOAA/NWS/U.S. Geological Survey

You can zoom in on the linked map page and get detailed info on river levels at a specific location.

I should mention that river levels are measured in relation to the height above a local benchmark. In some locations, river levels are listed in feet above sea level.

You can find info on river levels in eastern North Dakota and northwestern Minnesota here. Here’s how the linked map looked Sunday morning:

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River gauges and status
NOAA/NWS/U.S. Geological Survey

Here’s the hydrograph of recent, current and forecast levels for the Mississippi River at St. Paul:

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Mississippi River at St. Paul
NOAA/NWS/U.S. Geological Survey

A rise of about 6 feet is expected at that location in the next six days. The forecast level is 18.7 feet on Saturday, which is at major flood stage.

Here are the results when various river levels occur at the St. Paul gauge:

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Flood impacts of Mississippi River levels at St. Paul
NOAA/NWS/U.S. Geological Survey

Here’s the hydrograph of recent, current and forecast levels for the St. Croix River at Stillwater, Minnesota:

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St. Croix River at Stillwater
NOAA/NWS/U.S. Geological Survey

A rise of about 2.17 feet is expected in the next two to three days, with the river reaching major flood stage of 89.8 feet.

Here are the results of various river levels at the Stillwater gauge:

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Flood impacts of St. Croix River levels at Stillwater
NOAA/NWS/U.S. Geological Survey

Rainfall and snowfall amounts will affect river levels.

Here are the historic St. Croix River crests at the Stillwater gauge:

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Historic crests of the St. Croix River at Stillwater, Minnesota
NOAA/NWS/U.S. Geological Survey

Here’s the hydrograph of recent, current and forecast levels for the Red River at Fargo, North Dakota:

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Red River at Fargo, North Dakota
NOAA/NWS/U.S. Geological Survey

A rise of 14.5 feet is expected over the next 7 days, with the river reaching major flood stage.

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.