Low temperature reports from Monday morning and a look ahead to tonight’s rain event

Low Temperature reports from Monday morning, September 13, 2021

Brimson, MN: 32 F
Embarrass, MN: 32 F
Hibbing, MN: 34 F
Ely, MN: 34 F
Cotton, MN: 34 F
Orr, MN: 36 F
Cook, MN: 36 F
Crane Lake, MN: 36 F
Bigfork, MN: 36 F
Aitkin, MN: 36 F
International Falls, MN: 37 F
Ashland, WI: 37 F
McGregor, MN: 37 F
Superior Airport: 38 F
3 E Wright, MN: 38 F
Hayward, WI: 39 F
Cloquet, MN: 39 F
Solon Springs, WI: 39 F
Siren, WI: 39 F


A trough of low pressure over the Northern Plains this morning will continue to move to the east and northeast through Tuesday morning, this system will bring some rain to northeast Minnesota and northwest Wisconsin by late this afternoon into early Tuesday morning.

Goes-16 water vapor loop from Monday morning, September 13, 2021.


Rain is forecast to move into western/southern sections of the Northland by late this afternoon or early this evening, with rain moving into Duluth and Superior ~8 PM to 11 PM tonight. Rain ends from W-E early Tuesday morning.

Simulated radar forecasts valid from 7 PM this evening to 7 AM Tuesday.

12z NAM 3km model

12z HRRR model

Rainfall forecast thru 7 AM Tuesday.

–Least amount of rain is expected across northwest portions of the area where a trace to less than a quarter inch of rain is forecast, including for International Falls and Bigfork.

–Highest amounts of rain are expected in most of northwest Wisconsin and eastern Minnesota where a half inch to over an inch of rain is possible including for Hinckley, Pine City, Solon Springs, Minong, Shell Lake, Spooner, Siren, Hayward, Winter, Hurley and Ashland.

–Anywhere from 0.20″ to 0.40″ of rain is possible for Duluth, Superior, Port Wing, Brainerd, Moose Lake, Aitkin, Hill City, Two Harbors and Silver Bay.

–Rain totals of around a quarter inch are possible for Hibbing, Grand Rapids, Ely, Isabella, and Grand Marais.


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