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.

41°F

5°C

Humidity 65%
Wind Speed E 14 mph
Barometer 30.03 in (1017.7 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 22 Apr 2:56 pm CDT
Extended Forecast for

Grand Marais MN

Dense Fog Advisory April 23, 12:00am until April 23, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 7pm, then a chance of rain between 7pm and midnight. Patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 34. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance
    Showers then
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: A chance of rain before 10am, then a slight chance of showers between 10am and noon. Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 50. East wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 30%.

    High: 50 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Northwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 51. Northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph.
Tonight
A chance of showers before 7pm, then a chance of rain between 7pm and midnight. Patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 34. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain before 10am, then a slight chance of showers between 10am and noon. Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 50. East wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 37. Northwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming east around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph after midnight.
Friday
Partly sunny, with a high near 51. Northeast wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 37. Calm wind.
Saturday
Sunny, with a high near 52. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 37. East wind around 5 mph becoming calm after midnight.
Sunday
A slight chance of rain. Partly sunny, with a high near 52. Calm wind becoming southeast around 5 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. East wind around 5 mph, with gusts as high as 15 mph.
Monday
A chance of rain. Mostly cloudy, with a high near 55. East wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. East wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
2:41 pm CDT Apr 22, 2025
Forecast Valid:
3pm CDT Apr 22, 2025-6pm CDT Apr 29, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation