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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

60°F

16°C

Humidity 38%
Wind Speed NW 12 G 21 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 4 Oct 2:56 pm CDT
Extended Forecast for

25 Miles E Grand Portage MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles between 8pm and 9pm. Mostly clear, with a low around 42. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Chance
    Sprinkles

  • Monday

    Monday: Sunny, with a high near 57. Northwest wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 15 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers between 3am and 4am. Increasing clouds, with a low around 47. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of sprinkles between 8pm and 9pm. Mostly clear, with a low around 42. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 57. Northwest wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 20 percent chance of showers between 3am and 4am. Increasing clouds, with a low around 47. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers between 8am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles E Grand Portage MN
 47.92°N 89.13°W (Elev. 761 ft)
Last Update:
4:14 pm EDT Oct 4, 2026
Forecast Valid:
4pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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