Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

58°F

14°C

Humidity	81%
Wind Speed	E 10 mph
Barometer	30.13 in (1020.0 mb)
Dewpoint	52°F (11°C)
Visibility	NA
Last update	18 Aug 3:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Grand Marais MN

Overnight
Low: 59 °F
Slight Chance
Showers
Monday
High: 65 °F
Showers
Likely and
Patchy Fog
Monday Night
Low: 63 °F
Chance
Showers and
Patchy Fog
then Patchy
Fog
Tuesday
High: 72 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 72 °F
Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 73 °F
Mostly Sunny
Thursday Night
Low: 62 °F
Chance
Showers

Detailed Forecast

Overnight

A 20 percent chance of showers. Cloudy, with a steady temperature around 59. East wind around 10 mph, with gusts as high as 20 mph.

Monday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog after 4pm. Otherwise, cloudy, with a high near 65. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 9pm. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a steady temperature around 63. North wind around 5 mph. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 72. North wind around 5 mph.

Tuesday Night

Mostly clear, with a low around 58. Calm wind.

Wednesday

Sunny, with a high near 72. Calm wind becoming south around 5 mph.

Wednesday Night

Partly cloudy, with a low around 60. Calm wind.

Thursday

Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph in the morning.

Thursday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. West wind around 5 mph, with gusts as high as 15 mph.

Friday

A slight chance of showers before 1pm. Mostly sunny, with a high near 75. West wind 5 to 10 mph, with gusts as high as 15 mph.

Friday Night

Partly cloudy, with a low around 57. West wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 54. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday

Mostly sunny, with a high near 65. Northwest wind around 10 mph, with gusts as high as 20 mph.