National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Hazardous Weather Conditions

Current Conditions

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20 Miles NW Grand Marais/Cook County Airport MN

7 Day Forecast

For More Weather Information:

Duluth, MN Local Forecast Office

Tonight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 54 °F

Saturday

Decreasing Clouds

Decreasing
Clouds

High: 67 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 48 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 67 °F

Sunday
Night

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

Low: 58 °F

Labor
Day

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 68 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 51 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 69 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 50 °F

Detailed Forecast

  • Tonight Scattered showers, mainly before 7pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 54. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
  • Saturday Cloudy, then gradually becoming mostly sunny, with a high near 67. North wind around 5 mph.
  • Saturday Night Patchy fog after 1am. Otherwise, partly cloudy, with a low around 48. East wind around 5 mph becoming calm.
  • Sunday A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
  • Sunday Night Showers and thunderstorms. Areas of fog. Low around 58. Southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 80%.
  • Labor Day A 50 percent chance of showers and thunderstorms, mainly before 1pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 68.
  • Monday Night Partly cloudy, with a low around 51.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 69.
  • Tuesday Night Partly cloudy, with a low around 50.
  • Wednesday Mostly sunny, with a high near 70.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
  • Thursday Night A slight chance of showers. Partly cloudy, with a low around 52.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.