Thursday, December 8, 2016

Chilly thru the weekend; Big time arctic blast mid/late next week with more shots of arctic air beyond next week; Little bit of snow possible this weekend; Heavier lake effect snow into Friday along the South Shore of Lake Superior

/Issued 4:32 PM CST, Thursday, December 8, 2016/


18z RAP model temperature forecast.

Lake Effect Snow Warning and Advisory remains in effect along the South Shore of Lake Superior.  Source:

More information at the following links.

Lake Effect Snow Warning

Lake Effect Snow Advisory

Tonight's low temperature forecast.  Source:

Friday's high temperature forecast.  Source:

Weather Summary for northeast Minnesota and northwest Wisconsin

Cyclonic flow remained over the area today with low pressure well to our east while strong arctic high pressure of 1046mb builds S/SE through the northern Rockies and central Plains.  A mix of sun/clouds with scattered flurries and snow showers continued across the Northland today with heavier lake effect snow along the South Shore of Lake Superior.  Highs were in the teens and 20s with northwest winds at 10 to 20 mph.

Forecast Discussion for northeast Minnesota and northwest Wisconsin

.Short Term Forecast...

Tonight through Friday night (December 8-9)

Partly to mostly cloudy.  A few snow showers or flurries into Friday.  Low temperatures tonight will be in the single digits and teens, highs on Friday ranging from around 10 above in western areas to around 20 degrees near Lake Superior.  Lows Friday night ranging from around 10 below to 10 above.  Winds will be out of the northwest or west at 10 to 20 mph.

Synopsis:  Arctic high pressure will build slowly E/SE into the Upper Midwest through Friday night while a trough lingers over the upper Great Lakes region.

.Extended Forecast...

Saturday and Sunday (December 10-11)

Could be a little bit of snow from late Saturday into Sunday but this doesn't look like a big deal for our area.  Accumulations if any should remain very light.  High temperatures mainly in the teens on Saturday and in the teens and 20s for Sunday.  Lows Saturday night in the single digits and teens.

Note:  Looks like will be dealing with a couple shots of arctic air between December 13th-19th -- Daytime highs running in the single digits below to single digits above zero; Low temperatures anywhere from 10 below to 30 below.  Wind chills could also be dangerously low at times next week.

With the arctic air winning out, this means only very minor snowfall events (If any) for our local area through next week.  The lake effect snow machine will be activated at times along the South Shore of Lake Superior in northern Wisconsin with periods of significant snowfall accumulation possible depending on the wind direction.

Forecast for Duluth and Superior

.Tonight...  Partly to mostly cloudy.  Flurries possible.  Low 9 to 13.  Wind northwest at 10 to 20 mph.

.Friday...  Partly to mostly cloudy.  High 13 to 18.  Wind west to northwest at 10 to 20 mph.

Normal temperatures for Friday

High:  24
Low:   10

Sunrise Friday:  7:42 AM CST
Sunset Friday:   4:20 PM CST