Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

63°F

17°C

Humidity 70%
Wind Speed NE 3 mph
Barometer 30.20 in (1022.2 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 15 Aug 1:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Northeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Cloudy, with a high near 56. East wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight.  Patchy fog before 2am.  Otherwise, mostly cloudy, with a steady temperature around 56. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Partly sunny, with a high near 65. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. Northwest wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 50. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 1pm.  Mostly cloudy, with a high near 65. West wind around 5 mph.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers.  Mostly cloudy, with a low around 50. North wind around 5 mph.

    Low: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Northeast wind around 5 mph.
Saturday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 56. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog before 2am. Otherwise, mostly cloudy, with a steady temperature around 56. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 65. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 48. Northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 63. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 50. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 65. West wind around 5 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 50. North wind around 5 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 63. North wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
1:21 am CDT Aug 15, 2026
2am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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