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 96%
Wind Speed E 12 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 29 Jun 3:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could be severe.  Mostly cloudy, with a high near 66. East wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Some of the storms could be severe.  Patchy dense fog after 11pm.  Otherwise, cloudy, with a low around 48. Breezy, with an east wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Severe
    Thunderstorms
    and Patchy
    Dense Fog

  • Tuesday

    Tuesday: A 10 percent chance of showers before 7am.  Patchy dense fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    High: 63 °F

    Partly Sunny
    then Chance
    T-storms

  • 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 44. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Partly cloudy, with a low around 50. West wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 68. Calm wind becoming east around 5 mph.

    High: 68 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 66. East wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers after 4am. Some of the storms could be severe. Patchy dense fog after 11pm. Otherwise, cloudy, with a low around 48. Breezy, with an east wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 10 percent chance of showers before 7am. Patchy dense fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 45. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
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 44. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 68. Calm wind becoming east around 5 mph.
Friday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 49. Calm wind.
Independence Day
A chance of showers. 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 49. East wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 66. East wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northwest wind around 5 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67. Northwest wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
4:26 pm CDT Jun 29, 2026
4pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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