Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

51°F

11°C

Humidity 89%
Wind Speed E 13 mph
Barometer 29.74 in (1007.4 mb)
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 16 Jun 7:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog between 9pm and 4am. Low around 54. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain
    and Areas Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northwest wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 69. Calm wind becoming south around 5 mph.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 49. Calm wind becoming northwest around 5 mph.

    Low: 49 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 63. North wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers.  Partly cloudy, with a low around 44. North wind around 5 mph becoming calm.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 63. Northeast wind around 5 mph becoming southeast in the morning.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 48. East wind around 5 mph.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog between 9pm and 4am. Low around 54. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 51. Northwest wind around 5 mph.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 69. Calm wind becoming south around 5 mph.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. Calm wind becoming northwest around 5 mph.
Juneteenth
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 63. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers. Partly cloudy, with a low around 44. North wind around 5 mph becoming calm.
Friday
A chance of showers. Partly sunny, with a high near 63. Northeast wind around 5 mph becoming southeast in the morning.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. East wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 66. Northeast wind around 5 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 70. East wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 10 mph becoming west 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.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
7:56 pm CDT Jun 16, 2025
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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