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

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Overcast

1°F

-17°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.19 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 23 Feb 6:55 pm CST
Extended Forecast for

Grand Portage MN

Winter Storm Warning February 24, 12:00am until February 24, 03:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before midnight, then snow likely, mainly after 5am. Cloudy, with a temperature rising to around 19 by 4am. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 7 °F⇑

    Slight Chance
    Snow then
    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Snow, mainly before 3pm. The snow could be heavy at times. Widespread blowing snow, mainly before 9am. High near 28. Breezy, with a south wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 28 °F

    Heavy Snow
    and Blowing
    Snow then
    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 7. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 7 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 18 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Northwest wind around 5 mph.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow after noon. Partly sunny, with a high near 39. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3. Breezy, with a west wind around 15 mph, with gusts as high as 40 mph.

    Low: 3 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
A chance of flurries with a slight chance of snow before midnight, then snow likely, mainly after 5am. Cloudy, with a temperature rising to around 19 by 4am. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 3pm. The snow could be heavy at times. Widespread blowing snow, mainly before 9am. High near 28. Breezy, with a south wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Mostly cloudy, with a low around 7. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 35 mph.
Wednesday
Mostly sunny, with a high near 18. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 5. Northwest wind around 5 mph.
Thursday
Partly sunny, with a high near 29. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A slight chance of snow after noon. Partly sunny, with a high near 39. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 3. Breezy, with a west wind around 15 mph, with gusts as high as 40 mph.
Saturday
Mostly sunny, with a high near 12. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around -6. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 14. North wind around 5 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 1. North wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 24. South wind 5 to 10 mph, with gusts as high as 20 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:
5:16 pm CST Feb 23, 2026
Forecast Valid:
7pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation