Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

54°F

12°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 24 Aug 11:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. North wind around 5 mph becoming calm.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Calm wind.
Tuesday
A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 53. Northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 49. North wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 63. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Saturday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm after midnight.
Sunday
A chance of showers. Partly sunny, with a high near 67. East wind 5 to 10 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Northeast wind around 5 mph.
Monday
A slight chance of showers. Partly sunny, with a high near 68. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
12:16 am CDT Aug 25, 2026
12am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

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