Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

38°F

3°C

Humidity	100%
Wind Speed	SW 9 mph
Barometer	29.67 in (1005.5 mb)
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	6 Mar 10:51 pm EST

More Information:

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

Extended Forecast for

14 Miles SW Isle Royale National Park MI

Tonight
Low: 30 °F
Wintry Mix
Likely and
Areas Fog
Saturday
High: 35 °F
Wintry Mix
and Patchy
Fog then
Mostly Sunny
Saturday Night
Low: 28 °F
Partly Cloudy
then Mostly
Cloudy and
Breezy
Sunday
High: 40 °F
Mostly Sunny
Sunday Night
Low: 34 °F
Slight Chance
Showers
Monday
High: 40 °F
Mostly Sunny
Monday Night
Low: 18 °F
Mostly Cloudy
Tuesday
High: 24 °F
Mostly Cloudy
then Chance
Snow Showers
Tuesday Night
Low: 17 °F
Chance Snow
Showers

Detailed Forecast

Tonight

Rain showers likely before 4am, then a chance of rain and snow showers between 4am and 5am, then snow showers and freezing rain likely, possibly mixed with rain showers after 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 30. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

Saturday

Snow showers, possibly mixed with freezing rain before 11am, then a slight chance of snow showers between 11am and noon. Patchy fog before 8am. High near 35. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.

Saturday Night

Increasing clouds, with a low around 28. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 35 mph.

Sunday

Mostly sunny, with a high near 40. Southwest wind around 15 mph, with gusts as high as 35 mph.

Sunday Night

A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 34. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Monday

Mostly sunny, with a high near 40.

Monday Night

Mostly cloudy, with a low around 18.

Tuesday

A chance of snow showers after 1pm. Mostly cloudy, with a high near 24.