National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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Grand Portage MN

7 Day Forecast

For More Weather Information:

Duluth, MN Local Forecast Office

Today

Areas Rain/Sleet Chance for Measurable Precipitation 30%

Areas
Rain/Sleet

High: 42 °F

Tonight

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 25 °F

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 26 °FFalling Temperatures

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 10 °F

Tuesday

Partly Sunny

Partly
Sunny

High: 21 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 15 °F

Wednesday

Chance Snow

Chance
Snow

High: 24 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 2 °F

Thanksgiving
Day

Mostly Sunny

Mostly
Sunny

High: 13 °F

Detailed Forecast

  • Today Areas of drizzle and sleet before 11am, then a chance of rain. Areas of dense fog. Otherwise, cloudy, with a high near 42. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%.
  • Tonight Snow likely, possibly mixed with rain, becoming all snow after 4am. Areas of fog before midnight. Otherwise, cloudy, with a low around 25. North wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Monday Snow likely with areas of blowing snow. Cloudy, with a temperature falling to around 20 by 4pm. Blustery, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Monday Night A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 10. North wind 10 to 20 mph, with gusts as high as 30 mph.
  • Tuesday Partly sunny, with a high near 21. West wind 5 to 10 mph, with gusts as high as 20 mph.
  • Tuesday Night A 20 percent chance of snow. Mostly cloudy, with a low around 15.
  • Wednesday A chance of snow. Mostly cloudy, with a high near 24.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 2.
  • Thanksgiving Day Mostly sunny, with a high near 13.
  • Thursday Night Partly cloudy, with a low around 2.
  • Friday Partly sunny, with a high near 17.
  • Friday Night Mostly cloudy, with a low around 2.
  • Saturday Mostly sunny, with a high near 15.