NWS Forecast for: Grand Portage MN Issued by: National Weather Service Duluth, MN Last Update: 1:40 pm CDT Jul 5, 2025

Hazardous Weather Outlook This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 71. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: A 10 percent chance of showers before 7pm. Areas of smoke between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 54. North wind 5 to 10 mph, with gusts as high as 20 mph. Sunday: Sunny, with a high near 68. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Sunday Night: Partly cloudy, with a low around 51. Calm wind. Monday: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon. Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tuesday: A chance of showers, mainly before 1pm. Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the morning. Tuesday Night: Mostly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm. Wednesday: Mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon. Wednesday Night: Partly cloudy, with a low around 51. Calm wind. Thursday: Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the morning. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm. Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Calm wind becoming south around 5 mph in the morning.

Grand Portage MN  47.96°N 89.69°W

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