Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Overcast

37°F

3°C

Humidity 56%
Wind Speed NW 12 G 29 mph
Barometer 29.68 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Nov 12:15 pm CST
Extended Forecast for

Grand Portage MN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain.  Mostly cloudy, with a high near 49. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 36 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 31. Northwest wind around 10 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 45. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 39. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 49. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 36. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 36. Northwest wind around 5 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 26. North wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 38. North wind around 5 mph, with gusts as high as 15 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Portage MN
 47.96°N 89.69°W
9:52 am CST Nov 12, 2025
12pm CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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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