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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

58°F

14°C

Humidity 87%
Wind Speed E 10 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 22 Jun 2:56 am CDT
Extended Forecast for

5 Miles ENE Grand Marais MN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 69. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 74. Breezy, with a west wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 64. East wind around 5 mph.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 48. Northeast wind around 5 mph.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Breezy, with a northeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 69. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 74. Breezy, with a west wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 50. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64. East wind around 5 mph.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 48. Northeast wind around 5 mph.
Thursday
A chance of showers. Partly sunny, with a high near 65. East wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. Northeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 66. Northeast wind around 5 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 50. South wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Grand Marais MN
 47.78°N 90.23°W
Last Update:
3:25 am CDT Jun 22, 2025
Forecast Valid:
4am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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