National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from mid-South to Upstate New York on Tuesday

Thunderstorms are expected to develop along and ahead of a cold front from the Tennessee Valley to Upstate New York on Tuesday. The storms will be capable of producing damaging wind gusts and heavy rainfall that could lead to isolated flash flooding.
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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

Overnight

Mostly Clear

Mostly
Clear

Low: 54 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 70 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 55 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 72 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 56 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 70 °F

Thursday
Night

Chance Showers

Chance
Showers

Low: 53 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 47 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 54. West wind 5 to 10 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 70. West wind 5 to 10 mph.
  • Tuesday Night A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
  • Wednesday A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
  • Wednesday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South wind around 5 mph becoming southeast after midnight.
  • Thursday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70.
  • Thursday Night A chance of showers. Partly cloudy, with a low around 53.
  • Friday Mostly sunny, with a high near 62.
  • Friday Night Partly cloudy, with a low around 47.
  • Saturday Mostly sunny, with a high near 63.
  • Saturday Night Partly cloudy, with a low around 48.
  • Sunday Mostly sunny, with a high near 62.
  • Sunday Night Mostly clear, with a low around 50.
  • Monday Mostly sunny, with a high near 63.