Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. 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

4 Miles SW Grand Portage MN

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely.  Patchy dense fog. Low around 51. Breezy, with a north wind 5 to 15 mph becoming west after midnight.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    T-storms and
    Patchy Dense
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 7am.  Partly sunny, with a high near 66. West wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. West wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. West wind 5 to 10 mph becoming south in the afternoon.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 47. South wind around 5 mph becoming north after midnight.

    Low: 47 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely.  Partly sunny, with a high near 55. North wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 44. North wind around 5 mph becoming west after midnight.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 56. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 56 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 46. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then showers likely. Patchy dense fog. Low around 51. Breezy, with a north wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 7am. Partly sunny, with a high near 66. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 51. West wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 61. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 47. South wind around 5 mph becoming north after midnight.
Juneteenth
Showers likely. Partly sunny, with a high near 55. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44. North wind around 5 mph becoming west after midnight.
Friday
A chance of showers. Partly sunny, with a high near 56. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers before 1pm. Partly sunny, with a high near 58. Northeast wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. 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 60. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy, with a northeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Monday
A chance of showers. Partly sunny, with a high near 64. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Grand Portage MN
 47.92°N 89.73°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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