National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies; Severe Weather in the Central US

Extremely dangerous heat will persist from the Midwest to the East Coast into late this week. Monsoonal moisture may produce excessive rain and considerable flash flooding and debris flows, especially near recent burn scar areas in New Mexico and west Texas. Severe storms are possible from the southern/central Plains into the Great Lakes and Northeast, and the northern/central Plains today. Read More >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

50°F

10°C

Humidity 80%
Wind Speed SW 5 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 24 Jun 9:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Sunny, with a high near 65. West wind around 5 mph becoming southwest in the afternoon.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. Calm wind becoming southeast around 5 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 63. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 1pm. Partly sunny, with a high near 67. Northeast wind around 5 mph becoming south in the afternoon.

    High: 67 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. South wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 65. West wind around 5 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 51. Calm wind.
Wednesday
Partly sunny, with a high near 63. Calm wind becoming southeast around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. Northeast wind around 5 mph.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 63. East wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A slight chance of showers before 1pm. Partly sunny, with a high near 67. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 50. South wind around 5 mph becoming calm.
Saturday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming northwest after midnight.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
8:10 am CDT Jun 24, 2025
Forecast Valid:
10am CDT Jun 24, 2025-6pm CDT Jun 30, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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