National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

36°F

2°C

Humidity 64%
Wind Speed Vrbl 5 mph
Barometer 30.04 in (1018.1 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 30 Apr 3:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: A 20 percent chance of snow showers. Cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 41. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 11pm, then a chance of rain showers between 11pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 29. West wind around 5 mph becoming north after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 42. North wind around 5 mph becoming south in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 50. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. West wind around 5 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Cloudy, with a low around 34. Calm wind.
Thursday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 41. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow showers before 11pm, then a chance of rain showers between 11pm and midnight, then a slight chance of snow showers after midnight. Mostly cloudy, with a low around 29. West wind around 5 mph becoming north after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 42. North wind around 5 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 29. Calm wind.
Saturday
Mostly sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 35. Calm wind.
Sunday
Partly sunny, with a high near 50. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. West wind around 5 mph, with gusts as high as 15 mph.
Monday
A chance of rain. Mostly cloudy, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of rain. Partly sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. North wind around 5 mph.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
3:47 am CDT Apr 30, 2026
Forecast Valid:
4am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation