National Weather Service United States Department of Commerce

The flash flooding threat will begin moving east out of the Plains into the Upper Midwest and Great Lakes on Thursday

Flash flooding will continue to be possible on Thursday but will begin moving out of the central and northern Plains. The area of concern will be the Upper Midwest edging into the the eastern Great Lakes region. 1 to 2 inches of rainfall will be possible into Friday.
Read More...

Current Conditions

En Español

Share |

Grand Portage MN

7 Day Forecast

For More Weather Information:

Duluth, MN Local Forecast Office

Overnight

Patchy Fog

Patchy
Fog

Low: 45 °F

Thursday

Areas Fog

Areas
Fog

High: 68 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 53 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 66 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 55 °F

Saturday

Partly Sunny

Partly
Sunny

High: 65 °F

Saturday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 52 °F

Sunday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 65 °F

Sunday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 55 °F

Detailed Forecast

  • Overnight Patchy fog after 3am. Otherwise, mostly clear, with a low around 45. Southwest wind around 5 mph becoming calm after midnight.
  • Thursday Areas of fog before 8am. Otherwise, mostly sunny, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
  • Thursday Night A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. Southeast wind around 5 mph.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Southeast wind around 5 mph becoming south in the afternoon.
  • Friday Night A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming northwest after midnight.
  • Saturday Partly sunny, with a high near 65.
  • Saturday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
  • Labor Day A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
  • Monday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
  • Tuesday Night Partly cloudy, with a low around 53.
  • Wednesday Mostly sunny, with a high near 65.