National Weather Service United States Department of Commerce

Severe thunderstorms possible this evening and tonight

Large hail and damaging winds may occur from eastern Montana into North Dakota. Strong storms are also possible over the southern mid-Atlantic states. Hot weather continues across the southern Plains to Arizona.
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Hazardous Weather Conditions

Current Conditions

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Grand Portage MN

7 Day Forecast

For More Weather Information:

Duluth, MN Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 66 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 54 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 68 °F

Saturday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 50 °F

Sunday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 67 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 51 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 66 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 51 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph.
  • Friday A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 66. South wind around 5 mph.
  • Friday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening.
  • Saturday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
  • Saturday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Northeast wind around 5 mph. Chance of precipitation is 60%.
  • Sunday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
  • Sunday Night Partly cloudy, with a low around 51.
  • Monday Mostly sunny, with a high near 66.
  • Monday Night Partly cloudy, with a low around 51.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
  • Tuesday Night A slight chance of showers. Partly cloudy, with a low around 52.
  • Wednesday A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
  • Wednesday Night Partly cloudy, with a low around 53.
  • Thursday A chance of showers and thunderstorms. Mostly cloudy, with a high near 62.