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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

36°F

2°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 29.97 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 23 Nov 11:15 am CST
Extended Forecast for

Grand Portage MN

  • Today

    Today: Mostly cloudy, with a high near 44. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain before noon, then rain and snow likely. Cloudy, with a high near 39. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times. Low around 24. Blustery, with a north wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 24 °F

    Blustery.
    Rain/Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind around 15 mph, with gusts as high as 35 mph.

    High: 31 °F

    Snow Likely
    and Blustery

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly before midnight, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 19. Blustery, with a northwest wind around 15 mph, with gusts as high as 35 mph.

    Low: 19 °F

    Chance Snow
    and Blustery

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 27. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 27 °F

    Partly Sunny
    and Blustery

Detailed Forecast

Today
Mostly cloudy, with a high near 44. Northwest wind around 5 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a low around 34. Southwest wind around 5 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 45. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 31. Northeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A chance of rain before noon, then rain and snow likely. Cloudy, with a high near 39. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times. Low around 24. Blustery, with a north wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 31. Blustery, with a northwest wind around 15 mph, with gusts as high as 35 mph.
Wednesday Night
A chance of snow, mainly before midnight, then a slight chance of snow showers after 1am. Mostly cloudy, with a low around 19. Blustery, with a northwest wind around 15 mph, with gusts as high as 35 mph.
Thanksgiving Day
Partly sunny, with a high near 27. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 13. Northwest wind around 10 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 13. Northwest wind around 5 mph.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 26. Northwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Portage MN
 47.96°N 89.69°W
Last Update:
11:21 am CST Nov 23, 2025
Forecast Valid:
11am CST Nov 23, 2025-6pm CST Nov 29, 2025
 
Forecast Discussion
 
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Additional Resources

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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