Frost is likely early Sunday morning across much of northeast Minnesota and northwest Wisconsin, with a hard freeze possible in areas like Hibbing, Ely, and International Falls, where temperatures could dip to the upper 20s to around 30 degrees. The rest of the Northland can expect temperatures ranging from the 30s to lower 40s.
In the Twin Ports area, frost is possible Sunday morning, particularly on higher elevations, while areas within 5 to 10 miles of Lake Superior are likely to see little to no frost.
Record or near-record cold temperatures are possible in the Northland on Sunday morning. Below are the record low temperatures for September 7th.
- Duluth, MN: 30 set in 1986
- International Falls, MN: 30 set in 1956
- Hibbing, MN: 30 set in 1986 and 2024
- Ashland, WI: 32 set in 1986
- Brainerd, MN: 35 set in 1986
Rainfall reports for the past 24 hours, concluding at 8:35 PM on September 6, 2025.
McGregor, MN: 0.37″
Littlefork, MN: 0.29″
Hayward, WI: 0.28″
Siren, WI: 0.21″
Walker, MN: 0.17″
Cass Lake, MN: 0.11″
Esko, MN: 0.11″
Saginaw, MN: 0.1″
Hermantown, MN: 0.1″
Keewatin, MN: 0.1″
Nashwauk, MN: 0.09″
Duluth Airport: 0.08″
Moose Lake, MN: 0.08″
International Falls, MN: 0.08″
Orr, MN: 0.07″
Grantsburg, WI: 0.06″
Minong, WI: 0.06″
Solon Springs, WI: 0.05″
Bigfork, MN: 0.05″
Maple, WI: 0.04″
Hill City, MN: 0.04″
Hinckley, MN: 0.04″
Superior Airport: 0.04″
Isabella, MN: 0.04″
Grand Rapids, MN: 0.03″
Glidden, WI: 0.03″
Spooner, WI: 0.03″
Poplar, WI: 0.02″
Danbury, WI: 0.02″
Ashland, WI: 0.01″
Ely, MN: 0.01″
Hibbing, MN: 0.01″
Washburn, WI: 0.01″
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