Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

10°F

-12°C

Humidity	76%
Wind Speed	N 9 mph
Barometer	30.26 in (1027.3 mb)
Dewpoint	4°F (-16°C)
Visibility	NA
Wind Chill	-3°F (-19°C)
Last update	25 Jan 10:51 am EST

More Information:

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

Extended Forecast for

6 Miles E Isle Royale National Park MI

Today
High: 1 °F
Cold and
Blustery
Tonight
Low: -4 °F
Mostly Cloudy
Monday
High: 12 °F
Chance Snow
Showers and
Patchy
Blowing Snow
Monday Night
Low: 1 °F
Snow Showers
Likely and
Blowing Snow
Tuesday
High: 8 °F
Blustery.
Patchy
Blowing Snow
then Partly
Sunny
Tuesday Night
Low: 0 °F
Mostly Cloudy
Wednesday
High: 5 °F
Cold
Wednesday Night
Low: -1 °F
Mostly Cloudy
Thursday
High: 7 °F
Cold

Detailed Forecast

Today

Mostly cloudy and cold, with a high near 1. Wind chill values between -15 and -25. Blustery, with a north wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

Tonight

Mostly cloudy, with a low around -4. Wind chill values between -15 and -25. Northwest wind around 15 mph, with gusts as high as 25 mph.

Monday

A 30 percent chance of snow showers after 1pm. Patchy blowing snow after 5pm. Mostly cloudy, with a high near 12. Wind chill values between -15 and -25. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

Monday Night

Snow showers likely, mainly before 1am. Widespread blowing snow before 1am, then patchy blowing snow after 4am. Cloudy, with a low around 1. Wind chill values between -5 and -15. Blustery, with a west wind 20 to 25 mph becoming north after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday

Patchy blowing snow before 11am. Partly sunny and cold, with a high near 8. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday Night

Mostly cloudy, with a low around 0.

Wednesday

Mostly cloudy and cold, with a high near 5.

Wednesday Night

Mostly cloudy, with a low around -1.

Thursday

Partly sunny and cold, with a high near 7.

Thursday Night

Mostly cloudy, with a low around 2.