Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

53°F

12°C

Humidity 86%
Wind Speed W 3 mph
Barometer 29.73 in (1007.0 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 17 Jun 2:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm.  Mostly sunny, with a high near 73. West wind around 10 mph, with gusts as high as 15 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Northwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 49. Calm wind becoming northwest around 5 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm.  Partly sunny, with a high near 61. North wind around 5 mph becoming southeast in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 46. East wind around 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 64. East wind around 5 mph.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 50. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Mostly sunny, with a high near 73. West wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 53. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 49. Calm wind becoming northwest around 5 mph.
Juneteenth
A chance of showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Partly sunny, with a high near 61. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers. Mostly cloudy, with a high near 64. East wind around 5 mph.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 50. East wind around 5 mph, with gusts as high as 15 mph.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 71. East wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. East wind around 10 mph becoming south in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
A chance of showers. Partly sunny, with a high near 71. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 63. North wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.77°N 90.36°W
1:39 pm CDT Jun 17, 2025
3pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

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