Temps rebound on Sunday; arctic cold returns Wednesday

I’ll get to the forecast in a moment, but let’s first look at the brief pressure bump that happened here on Saturday, which was due to Friday’s underwater volcanic eruption in the South Pacific:

Here’s how Friday’s volcanic eruption looked from satellite:

Blowing snow in southwest Minnesota

Gusty winds will lead to areas of blowing snow and low visibilities Saturday night and early Sunday in parts of southwestern Minnesota, where there is a winter weather advisory:

Winter weather advisory (blue) Saturday night and early Sunday
National Weather Service

Here are details of the advisory:

URGENT - WINTER WEATHER MESSAGE National Weather Service Sioux Falls SD 227 PM CST Sat Jan 15 2022 MNZ071-072-080-081-160430- /O.NEW.KFSD.WW.Y.0004.220116T0200Z-220116T1200Z/ Lincoln-Lyon-Murray-Cottonwood- 227 PM CST Sat Jan 15 2022 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM CST SUNDAY... * WHAT...Blowing snow expected. Winds gusting as high as 45 mph. * WHERE...Lincoln, Lyon, Murray and Cottonwood Counties. * WHEN...From 8 PM this evening to 6 AM CST Sunday. * IMPACTS...Areas of blowing snow could significantly reduce visibility, especially along and east of the highest elevations of the Buffalo Ridge. Use caution while traveling, as visibility could change rapidly. * ADDITIONAL DETAILS...Also watch for significant drifting of freshly fallen snow, which could impact travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling, especially in open areas. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Snow chances on Sunday

The northern third of Minnesota could see areas of light snow Saturday night. Most of Minnesota, plus western Wisconsin, will have a chance of occasional light snow on Sunday. The National Oceanic and Atmospheric Administration’s North American Mesoscale (NAM) forecast model shows the potential precipitation pattern from 10 p.m. Saturday to 10 p.m. Sunday:

NAM simulated radar 10 p.m. Saturday to 10 p.m. Sunday
NOAA, via Tropicaltidbits.com

NOAA’s High-Resolution Rapid-Refresh (HRRR) model shows a similar pattern, but includes more of southwestern Minnesota in the Sunday precipitation chances:

HRRR simulated radar 10 p.m. Saturday to 10 p.m. Sunday
NOAA, via Tropicaltidbits.com

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

Temperature trends

Our Saturday afternoon high temp at MSP airport was 15 degrees. That was well below our average Twin Cities Jan. 15 high of 23 degrees.

The metro area and much of Minnesota could top out slightly above 30 degrees Sunday afternoon:

Sunday forecast highs
National Weather Service

Parts of northeastern and southeastern Minnesota, plus western Wisconsin, will have Sunday highs in the 20s.

Wind gusts will be highest in western Minnesota Sunday afternoon:

Sunday noon forecast wind gusts
National Weather Service

Forecast wind gusts are in knots, with 20 knots equal to 23 mph. There’s a gale warning for Lake Superior until noon on Sunday.

Back to temperatures, Twin Cities metro area highs are projected to reach the upper 20s on Monday (Martin Luther King Jr. Day), followed by lower 30s Tuesday.

Much colder air moves in for Wednesday and Thursday, with highs in the single digits. Highs rebound to the mid teens on Friday.

The metro area could see a bit of light snow Tuesday and Friday….check forecast updates.

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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