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Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

42°F

6°C

Humidity 96%
Wind Speed Calm
Barometer 29.66 in (1005.0 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 13 Apr 3:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, with a steady temperature around 40. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 40 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 11pm and 3am. Patchy fog between 10pm and 11pm. Otherwise, cloudy, with a low around 36. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly between 7am and 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 40. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Northeast wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming east around 5 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 37. Northeast wind around 5 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain before 1pm. Mostly sunny, with a high near 49. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain. Partly cloudy, with a low around 38. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 49. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, with a steady temperature around 40. Southwest wind around 5 mph becoming northeast in the afternoon.
Tonight
A 40 percent chance of showers, mainly between 11pm and 3am. Patchy fog between 10pm and 11pm. Otherwise, cloudy, with a low around 36. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers, mainly between 7am and 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 40. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Northeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37. Northeast wind around 5 mph.
Thursday
A chance of rain before 1pm. Mostly sunny, with a high near 49. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 38. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A slight chance of rain, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 49. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Breezy, with a northeast wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Saturday
A chance of rain and snow. Partly sunny, with a high near 39. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 27. Blustery, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 41. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
4:37 am CDT Apr 13, 2026
Forecast Valid:
4am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation