Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

38°F

3°C

Humidity 97%
Wind Speed E 5 mph
Barometer 29.39 in (996.1 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 12 Apr 6:56 pm CDT
Extended Forecast for

Grand Marais MN

Dense Fog Advisory until April 13, 01:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 13, 01:00am

    NOW until 1:00am Mon

    Dense Fog Advisory

  • Tonight

    Low: 39 °F

    Showers
    Likely and
    Patchy Dense
    Fog then
    Patchy Dense
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 46. West wind around 5 mph becoming calm.

    High: 46 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Showers likely.  Mostly cloudy, with a low around 36. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 1pm.  Partly sunny, with a high near 43. East wind around 5 mph.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 36. Northeast wind around 5 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before 1pm.  Partly sunny, with a high near 49. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 49 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 46. West wind around 5 mph becoming calm.
Monday Night
Showers likely. Mostly cloudy, with a low around 36. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 43. East wind around 5 mph.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph.
Thursday
A slight chance of rain before 1pm. Partly sunny, with a high near 49. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 39. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
A chance of rain and snow. Partly sunny, with a high near 37. Breezy, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39. Breezy, with a west 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
6:07 pm CDT Apr 12, 2026
7pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

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