Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

9°F

-13°C

Humidity	84%
Wind Speed	SW 9 mph
Barometer	29.95 in (1016.7 mb)
Dewpoint	5°F (-15°C)
Visibility	NA
Wind Chill	-4°F (-20°C)
Last update	20 Jan 9:51 pm EST

More Information:

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

Extended Forecast for

Copper Harbor MI

Extreme Cold Watch January 22, 10:00pm until January 24, 01:00pm

Winter Weather Advisory January 20, 10:09pm until January 21, 07:00am

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Winter Weather Advisory January 20, 10:09pm until January 21, 07:00am
NOW until 7:00am Wed
Winter Weather Advisory
Tonight
Low: 9 °F
Snow Showers
Wednesday
High: 20 °F
Snow Showers
Likely
Wednesday Night
Low: 6 °F
Snow Showers
Likely and
Patchy
Blowing Snow
Thursday
High: 8 °F⇓
Snow Showers
Likely and
Patchy
Blowing Snow
Thursday Night
Low: -8 °F
Snow Showers
Likely and
Patchy
Blowing Snow
Friday
High: -1 °F
Snow Showers
Likely and
Areas Blowing
Snow
Friday Night
Low: -6 °F
Mostly Cloudy
Saturday
High: 6 °F
Cold

Detailed Forecast

Tonight

Snow showers, mainly before 4am. Low around 9. Wind chill values between -5 and zero. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Snow showers likely, mainly after 3pm. Mostly cloudy, with a high near 20. Wind chill values between zero and 5. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow showers likely. Patchy blowing snow before 1am, then patchy blowing snow after 2am. Mostly cloudy, with a low around 6. Wind chill values between -10 and zero. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow showers likely. Patchy blowing snow. Mostly cloudy and cold, with a temperature falling to around 2 by 4pm. Wind chill values between -10 and -20. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Thursday Night

Snow showers likely. Patchy blowing snow. Mostly cloudy, with a low around -8. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Friday

Snow showers likely. Areas of blowing snow. Mostly cloudy and cold, with a high near -1. Blustery. Chance of precipitation is 60%.

Friday Night

Mostly cloudy, with a low around -6.

Saturday

Partly sunny and cold, with a high near 6.

Saturday Night

Mostly cloudy, with a low around -3.

Sunday

Partly sunny and cold, with a high near 10.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 4.