Rainfall Reports for September 15, 2025, as of 4 PM
- Hayward, WI: 0.08″
- Clam Lake, WI: 0.05″
- Ashland, WI: 0.01″
- Danbury, WI: 0.01″
- Moose Lake, MN: 0.01″
A few isolated showers or thunderstorms may pop up in the Northland this evening, but most areas should remain dry.
On Tuesday, a cold front will move southeast through the region, potentially bringing a few showers or thunderstorms late in the afternoon or evening. However, rain coverage is expected to stay fairly limited. While there is plenty of instability and moisture in the Northland for storms tonight and again on Tuesday, the other necessary conditions for storm development are either marginal or absent, which could hinder their formation.
As anticipated with today’s system, most of the rain fell over parts of North Dakota, as well as southern areas of Saskatchewan and Manitoba, where the surface and upper lows provided stronger forcing.
GOES-16 visible satellite loop for September 15, 2025, concluding at 4 PM CT.
It was another warm mid-September day across the region, with temperatures widely ranging from the 70s to low 80s in northeast Minnesota and northwest Wisconsin. Closer to Lake Superior, cooler readings in the 60s prevailed due to an east wind that has been blowing steadily for several days.
On Tuesday, winds are expected to shift to the south-southwest, bringing warm air even to areas near Lake Superior, with temperatures forecasted to reach the 80s by the afternoon.
Today’s highs and departure from normal for September 15, 2025.
Brainerd, MN: 84
Departure: +13 degrees above normal
International Falls, MN: 83
Departure: +16 degrees above normal
Note: International Falls came close to tying its record high of 84 degrees today, falling short by just one degree. That record has stood since 1920.
Hibbing, MN: 80
Departure: +14 degrees above normal
Ashland, WI: 81
Departure: +11 degrees above normal
Duluth, MN: 72
Departure: +4 degrees above normal
Later this week and into the weekend, a mid and upper-level low is expected to form over the northern or central Plains, while an upper-level ridge builds to our northwest and another upper low develops over eastern Canada. Rain chances and amounts in northeast Minnesota and northwest Wisconsin will depend on the path of the upper low to our southwest.
The Euro, AI, and GEFS models predict around half an inch to an inch of rain in Duluth by 7 PM Sunday, with the majority of the rain expected later in the week and into the weekend. Stay tuned, as rainfall predictions could change depending on the path of this late-week system.
While it has been warmer lately, September 2025 is still seeing below-average temperatures east of the Rockies, thanks to a chilly start to the month. On the other hand, the Pacific Northwest and northern Rockies are enjoying warmer-than-normal average temperatures this month.
Temperature anomalies in Northland for September 2025 through the 14th.
Duluth, MN: -4.5 degrees below normal
Ashland, WI: -3.8 degrees below normal
Brainerd, MN: -2.9 degrees below normal
International Falls, MN: -2.1 degrees below normal
Hibbing, MN: -1.0 degree below normal
So far this month in Duluth, up to September 15th, we’ve had nearly an equal number of colder-than-average days and warmer-than-average days.
Precipitation totals in Northland for September 2025 up to the 14th.
Ashland: 2.75 inches
Hibbing: 2.72 inches
Brainerd: 2.28 inches
Duluth: 1.90″ inches
International Falls: 1.24 inches
This month in the Northland has brought a variety of precipitation levels, with totals ranging from below average to above average.
Precipitation anomalies in Northland for September 2025 through the 14th.
Ashland: +1.40 inches above normal
Hibbing: +1.19 inches above normal
Brainerd: +1.12 inches above normal
Duluth: +0.23 inches above normal
International Falls: -0.21 inches below normal
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