/Issued 6:06 PM CST, Saturday, January 13, 2018/
Here’s my snowfall accumulation map for our next snow event for Sunday
*All of northeast Minnesota and northwest Wisconsin can expect 1 to 3 inches of snow by Sunday evening, but a few locations could get up to 4 inches of snow.
*Far northeast Minnesota, along the Higher Terrain in Cook County could get 3 to 5 inches of snow due to some lake enhancement on Sunday.
*The South Shore of Lake Superior from northeast Douglas, Bayfield, Ashland and Iron County could get 5 to 10 inches of snow by Tuesday as heavy lake effect snow showers develop for Monday and Tuesday.
12z GFS model 500mb vorticity forecast valid from Sunday morning through Tuesday morning. Our next snow maker digs S/SE into the upper Midwest Sunday, then into the Great Lakes for Monday and Tuesday.
18z 3km NAM – Simulated Radar Forecast beginning Sunday morning, ending late Sunday night. Blue colors=Snow
Low temperature reports from Saturday morning, January 13, 2018
Embarrass, MN: -46 F
Cotton, MN 3 SE: -41 F
Celina, MN 2 E: -39 F
Effie, MN 7 E: -38 F
Ely, MN 25 E: -36 F
International Falls, MN: -36 F
Bigfork, MN: -35 F
Emily, MN 4 S: -35 F
Littlefork, MN: -34 F
Babbit, MN: -33 F
Crane Lake, MN: -33 F
Ely, MN: -33 F
Northome, MN: -33 F
Pine River, MN: -31 F
Brule, WI 11 SSE: -30 F
Minong, WI 7 WNW: -30 F
Cook, MN: -29 F
Brainerd, MN: -28 F
Aitkin, MN: -27 F
Oliver, WI 2 ENE: -27 F
Longville, MN: -27 F
Clam Lake, WI 3 W: -26 F
Moose Lake, MN: -26 F
Siren, WI: -26 F
Hayward, WI: -25 F
Hinckley, MN: -24 F
Walker, MN: -24 F
Grand Rapids, MN: -23 F
Chisholm-Hibbing Airport: -23 F
Winter, WI: -23 F
Silver Bay, MN: -22 F
Northome, MN: -22 F
Esko, MN 1 ESE: -21 F
Glidden, WI: -21 F
Phillips, WI: -21 F
Cloquet, MN: -20 F
Proctor, MN 2 SW: -20 F
Superior Airport: -20 F
Two Harbors, MN: -18 F
Duluth Airport: -18 F
Grand Marais Airport: -17 F
Ashland, WI: -16 F
Duluth Harbor: -15 F
-5th coldest low temperature on record for January 12 at International Falls, Minnesota. Low temperature on Friday was -36 degrees (5th coldest low on record for January 12) The record low for January 12 is -44 degrees which was set in 1909.
-Hibbing, Minnesota had its 3rd coldest high temperature on record for January 12, and their 5th coldest low temperature on record. High on Friday, January 12 was -5 degrees; Low was -27 degrees.
-Brainerd, Minnesota had its 5th coldest low temperature on record for January 12 with a low temperature on Friday of -24 degrees.
What to expect on Sunday
•Snow moves into northern Minnesota mid to late Sunday morning
•Snow is forecast to begin in Duluth and Superior between 11 AM and 2 PM Sunday
•Snow continues through late Sunday afternoon/evening, but the snow will diminish from NW-SE Sunday evening
•Roads will become snow covered and slippery Sunday afternoon-evening. Drive safely!
Link to Road Conditions
Wisconsin – https://511wi.gov/map
Widespread sunshine throughout the Northland once again today but temperatures remained on the chilly side with highs generally around zero to a few degrees above zero.
Tonight: Radiational cooling will be in full effect with mainly clear skies this evening but clouds will begin to increase overnight which should stop the temperature free-fall, but by then we’re looking at low temperatures in the teens, 20s and 30s below over most of the area.
Sunday: Low pressure moves E/SE out of western Canada and into the upper Midwest — Snow will overspread the Northland from NW-SE through the day with snow ending Sunday evening. High snowfall ratios are expected with this event, probably around 22:1 to 25:1. Decent lift will pass through the area, lasting ~3 hours in any given location. This should be a fluffy snow with rather large snowflakes possible at times with a favorable DGZ (Dendritic Growth Zone) in place over most of the Northland. Slightly warmer Sunday with highs in the single digits to lower teens above zero. Arctic air will return though Sunday night with lows ranging from the teens and 20s below in northern Minnesota to the single digits above zero in northwest Wisconsin.
Note: Cold arctic air will remain over the Northland for Monday and Tuesday, but a warming trend is expected mid to late next week with daytime highs getting into the 20s, maybe even the 30s later next week (18th-20th) There could be a system that impacts the upper Midwest/western Great Lakes between the 19th-21st with possible snow or mixed precipitation, but still a lot of uncertainty with that one so will see how it looks on the computer models in coming days.
Forecast for Duluth and Superior
.Tonight… Frigid. Mostly clear with some clouds moving in late. Low 13 below to 18 below. Wind southwest at 5 to 10 mph.
.Sunday… A bit of sun possible early, otherwise overcast with snow especially during the afternoon. High 5 to 10. Wind south at 10 to 15 mph.
.Sunday night… Snow early with lingering flurries or light snow showers overnight. Total snowfall accumulation of 2 to 3 inches. Low 2 below to 7 below. Wind southwest at 10 to 15 mph, becoming northwest at 10 to 20 mph.
Normal temperatures for Sunday
Sunrise Sunday: 7:50 AM CST
Sunset Sunday: 4:46 PM CST