Chilly tonight; warmer weather this weekend into next week

Another chilly night ahead of us as lows fall into the 20s and 30s, although I don’t think will be breaking any record lows Friday morning – See list below

Record Low Temperatures for September 18th

International Falls, MN: 20 F set in 2012

Brainerd, MN: 21 F set in 1929

Hibbing, MN: 22 F set in 2012

Ashland, WI: 25 F set in 1929

Duluth, MN: 29 F set in 1929

Friday’s weather will feature some sun with highs in the 50s to lower 60s. Winds will shift to the south as we get on the backside of an area of high pressure.

Southerly flow increases this weekend resulting in warmer temperatures. Highs Saturday and Sunday are forecast to be in the 60s to lower 70s across the Northland with a breezy S-SW wind 10 to 20 mph on Saturday, and a 15 to 25 mph southerly wind on Sunday.

Not a whole lot of rain in the forecast thru early next week with mostly trace amounts for some parts of the Northland, and this comes mainly late Sunday night into Monday when a few light rain showers are possible.


Frost & Freeze Headlines

-Freeze Warning (dark blue areas on map) in effect from Midnight tonight to 9 AM Friday including the cities of: International Falls, Bigfork, Grand Rapids, Hibbing, Ely, Cook, Isabella, Ashland and Hurley.

Sub-freezing temperatures of 28 to 30 degrees expected. Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

-Frost Advisory (light blue area on map) in effect from Midnight tonight to 9 AM Friday including the cities of: Hill City, Duluth, Cloquet, Moose Lake, Two Harbors, Silver Bay, Grand Marais, Superior, Solon Springs, Washburn, Bayfield, Minong, Spooner, Shell Lake, Hayward and Winter.

Temperatures as low as 32 degrees will result in frost formation. Frost could kill sensitive outdoor vegetation if left uncovered.


Some mid and high level cloudiness has been moving SE through parts of the Northland today, but these clouds should begin to thin out by late this evening with mostly clear skies expected overnight.


A chilly morning across the Northland with record low temperatures set at International Falls and Hibbing for September 17th.

International Falls, MN: New Record: 23 F set on 9/17/2020; Old Record 24 F set on 9/17/1959.

Hibbing, MN: New Record: 24 F set on 9/17/2020; Old Record 26 F set on 9/17/2011.
Here are a few other low temperature reports from Thursday morning, September 17th, 2020.


Ash Lake, MN: 23 F
Crane Lake, MN: 25 F
Littlefork, MN: 26 F
Northome, MN: 27 F
Isabella, MN: 27 F
Cotton, MN: 27 F
Superior Airport: 27 F
Saginaw, MN: 28 F
Hill City, MN: 29 F
Hermantown, MN: 29 F
McGregor, MN: 30 F
Esko, MN: 30 F
Cloquet, MN: 30 F
Deer River, MN: 30 F
Walker, MN: 30 F
South Range, WI: 30 F
Solon Springs, WI: 30 F
Hayward, WI: 30 F
Siren, WI: 31 F
Moose Lake, MN: 32 F
Hinckley, MN: 32 F
Glidden, WI: 32 F
Washburn, WI: 32 F
Breezy Point, MN: 34 F
Two Harbors, MN: 34 F
Danbury, WI: 34 F
Duluth Sky Harbor Airport: 37 F

Note: Low temperature of 31 degrees at the Duluth Airport Thursday morning is the 2nd lowest minimum temperature on record for September 17th – Record low for September 17th is 28 degrees set in 1959.

A closer look at low temps in the Twin Ports from this morning.

Here’s the latest drought monitor update as of September 15th, 2020.


7% of Minnesota is in D1 or Moderate Drought (orange areas on map)

26% of Minnesota is Abnormally Dry (yellow areas on map)

8% of Wisconsin is Abnormally Dry (yellow areas on map) this is down from 16% last week.

Model agreement today continues to be very good regarding next week’s upper level pattern.

Next week still looks warm across the Northland with several days between September 21st-26th having afternoon temperatures in the 70s, and possibly even as warm as 80 degrees!


I’m not seeing any strong model trends for any significant rain events impacting the Northland for the rest of this month.

Fire weather concerns may start to increase across our area over the next few weeks if this very dry weather pattern continues. Note: The last time the Duluth Airport picked up at least a quarter inch of rain was on September 1st (over 2 weeks ago)

Precipitation totals thru the end of the month are forecast to only be around 10-30% of normal for northeast Minnesota and northwest Wisconsin.

Thanks for reading!


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