Barometric Pressure in Grand Marais, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Grand Marais hour by hour across the next 6 hourly readings.
Grand Marais has changing air pressure due to its location on Lake Superior. Cold air from Canada brings low pressure and snow, while warm air from the Gulf brings high pressure.
The town's geography, near a big lake and surrounded by hills, affects air pressure. Moist air rises over hills, cools, and creates rain and snow.
In winter, low pressure brings snow and cold. In summer, high pressure brings warm and calm weather. Spring and fall have changing pressure, leading to unpredictable weather.
Grand Marais has a humid continental climate with large pressure changes. This means cold winters with low pressure and warm summers with high pressure.
(106 km)