Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

50°F

10°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.11 in (1019.8 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 6 Jul 2:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. East wind around 5 mph becoming calm.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 2am and 4am.  Increasing clouds, with a low around 47. Calm wind.  Chance of precipitation is 20%.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Southwest wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm.  Cloudy, with a high near 61. Calm wind becoming east around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 63. East wind around 5 mph becoming calm  in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 49. Calm wind.
Monday
Sunny, with a high near 58. East wind around 5 mph becoming calm.
Monday Night
A slight chance of showers and thunderstorms between 2am and 4am. Increasing clouds, with a low around 47. Calm wind. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 64. Southwest wind around 5 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 61. Calm wind becoming east around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 42. Calm wind.
Thursday
Mostly sunny, with a high near 63. East wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 63. Calm wind becoming east around 5 mph.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming south around 5 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 49. South wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 69. Southwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
2:52 am CDT Jul 6, 2026
3am CDT Jul 6, 2026-6pm CDT Jul 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database