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

Showers and Cooler Temperatures in the East; Multi-Day Rain Event in the Southwest

A cold front in the East will bring showers and thunderstorms and much cooler temperatures from the Northeast into the Southeast. The Southwest, centered around New Mexico, will continue to see showers and thunderstorms, where there maybe isolated flash flooding. Tropical moisture will bring a multi-day period of thunderstorms and locally heavy rainfall across the Southwest beginning Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

48°F

9°C

Humidity 50%
Wind Speed SW 5 mph
Barometer 30.42 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 Oct 11:15 am CDT
Extended Forecast for

Grand Portage MN

  • Today

    Today: Sunny, with a high near 53. Southwest wind around 5 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Southwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Increasing clouds, with a low around 50. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 60. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 60 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 61. South wind around 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 53. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 42. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 59. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers. Increasing clouds, with a low around 50. Southwest wind around 10 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 60. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 45. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 58. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 49. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 61. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 25 mph.
Columbus Day
A chance of showers. Partly sunny, with a high near 62. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. West wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 57. Southwest wind around 5 mph, with gusts as high as 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Portage MN
 47.96°N 89.69°W
Last Update:
9:56 am CDT Oct 8, 2025
Forecast Valid:
11am CDT Oct 8, 2025-6pm CDT Oct 14, 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