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

Widespread Heat This Week; Monsoon Rain Lingers

Widespread heat concerns are expected through at least midweek as high pressure covers a large portion of the U.S., especially the Central half. Excessive heat warnings and watches along with heat advisories are in effect from the northern Plains to the northwestern Gulf Coast and in parts of the West. Flood watches continue in parts of the Southwest due to the heavy monsoon rain threat. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

68°F

20°C

Humidity 76%
Wind Speed SW 3 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 26 Jul 2:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This
    Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 72. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.

    Chance
    Showers

    High: 72 °F

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph.

    Severe
    Thunderstorms

    Low: 59 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Northeast wind around 5 mph becoming southeast in the afternoon.

    Mostly Sunny

    High: 68 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming north after midnight.

    Mostly Clear
    then Chance
    Showers

    Low: 56 °F

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 68. North wind around 5 mph becoming southeast in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. North wind 5 to 10 mph.

    Chance
    T-storms then
    Chance
    Showers

    Low: 59 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 70. North wind 5 to 10 mph becoming southwest in the afternoon.

    Mostly Sunny

    High: 70 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Partly Cloudy

    Low: 56 °F

  • Friday

    Friday: A slight chance of showers after 1pm. Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming south in the morning.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 69 °F

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 72. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 68. Northeast wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming north after midnight.
Wednesday
Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 68. North wind around 5 mph becoming southeast in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 70. North wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers after 1pm. Mostly sunny, with a high near 69. West wind 5 to 10 mph becoming south in the morning.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 70. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 67. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 53. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 65. North wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
2:57 pm CDT Jul 26, 2021
Forecast Valid:
3pm CDT Jul 26, 2021-6pm CDT Aug 2, 2021
 
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