Marine Weather and Tide Forecast for Finlayson, MN

DISCUSSION
Issued at 131 PM CDT Tue Oct 14 2025

Overcast skies today should turn into some light rain showers over portions of the Northland this evening as a little ridge running disturbance quickly passes over the Upper Midwest. With a fair amount of dry air to the north, there will likely be plenty of virga initially, with the best chance of measurable rainfall accumulations in the southern third of the CWA Even these should be light, mostly around or less than a tenth of an inch.

As that disturbance passes, upper level ridging should continue to elongate over the Plains and Midwest through late week, leading to increasing temperatures and dewpoints. By Friday, temperatures are expected to be well above normal in the 60s and 70s during the afternoon, with dewpoints in the low to mid 50s. This increase in moisture alongside an ejecting Colorado Low will help create an atmospheric utopia for another chance at rain later this week. Most models are in fairly good agreement on warm frontal rain pushing into the area from this system into and through Thursday morning, which should likely be the heaviest rain out of this system as it will have the best moisture access and thermodynamics. The first round of rain could bring a tenth to three quarters of an inch of rainfall to the area, likely highest in the MN Arrowhead, but exact system track could still change. This low pressure system should continue to influence our sensible weather through the weekend, with the cold front passing through on Friday and then wrap around showers on the backside wandering over Saturday and Sunday.
Temperatures should fall in the CAA on the backside of this system, and its not out of the question that a couple snowflakes could mix in through the weekend as 850mb temperatures fall to around 0C.

High pressure is generally favored for early next week but there are large discrepancies on magnitude and timing with some models keeping us dry for a couple days while other solutions bring another quick round of precipitation in from the Canadian Plains. In all solutions however, we generally stay in a moderately active pattern through next week with more chances of rain, with a couple outliers bringing some frozen precipitation into the mix.

AVIATION /12Z TAFS THROUGH 12Z WEDNESDAY/
Issued at 1159 AM CDT Tue Oct 14 2025

VFR conditions expected through this evening at all terminals. There could be some light rain that impacts BRD, DLH, and HYR this evening, but is not expected to lead to appreciable visibility limitations. BRD and HYR could see some MVFR ceilings overnight into Wednesday morning. Expect mostly light and variable winds.

MARINE /FOR NEAR SHORE WATERS OF WESTERN LAKE SUPERIOR/
Issued at 131 PM CDT Tue Oct 14 2025

Mostly light northeast winds today continue into tomorrow. A couple afternoon gusts up to 15 knots are possible for the head of the lake Wednesday afternoon. Generally waves should remain at 1 foot or less. A 20-30% chance for some very light rain tonight but no thunderstorms are expected. Winds become southeast Thursday with a few gusts up to 20 knots possible which should lead to some bumpy conditions but nothing too much crazier. Another round of rain is likely Thursday especially along the North Shore.

For the open water discussion, refer to the NWS Marquette Area Forecast Discussion at weather.gov/mqt.

DLH WATCHES/WARNINGS/ADVISORIES
MN...None.
WI...None.
MARINE...None.