Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47° N Lon: 87.88° W Elev: 623 ft.

36°F

2°C

Humidity	86%
Wind Speed	Vrbl 5 mph
Barometer	29.78 in (1009.3 mb)
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	27 Dec 1:51 pm EST

More Information:

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

Detailed forecast for

Keweenaw County

Late This Afternoon

Cloudy with a 50 percent chance of rain showers. South winds 10 to 15 mph with gusts up to 35 mph.

Tonight

Cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Patchy fog. Near steady temperature in the mid 30s. South winds 5 to 15 mph. Chance of rain 40 percent.

Sunday

A chance of rain showers in the morning, then rain and snow showers in the afternoon. Patchy blowing snow in the afternoon. Cloudy. Snow accumulation around an inch. Highs around 35. Inland, north winds 5 to 15 mph, increasing to 15 to 25 mph in the afternoon. Near the shore, light east winds, increasing to northeast 10 to 20 mph in the afternoon. Chance of precipitation 90 percent.

Sunday Night

Very windy. Snow showers. Blowing snow. Heavy freezing spray after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation of 8 to 12 inches. Lows 11 to 16. North winds 25 to 35 mph with gusts up to 60 mph. Chance of snow 100 percent.

Monday

Very windy and colder. Snow showers likely in the morning, then a chance of snow showers in the afternoon. Areas of blowing snow and heavy freezing spray. Cloudy. Visibility one quarter mile or less at times. Highs 15 to 20. Temperature falling to between 10 and 15 in the afternoon. North winds 25 to 35 mph with gusts up to 65 mph. Chance of snow 70 percent.

Monday Night

Breezy, cloudy. Heavy freezing spray in the evening. Patchy blowing snow. Lows around 5 above inland to around 11 at the shore. Northwest winds 15 to 25 mph with gusts up to 50 mph.

Tuesday

Snow showers likely in the afternoon. Cloudy. Highs 18 to 23. Chance of snow 70 percent.

Tuesday Night

Cloudy with snow showers likely. Heavy freezing spray after midnight. Lows 3 to 8 above. Chance of snow 60 percent.

Wednesday And Wednesday Night

Colder. Cloudy with a 50 percent chance of snow showers. Heavy freezing spray. Highs around 8 above inland to around 14 at the shore. Lows 4 below to 1 above inland to around 4 above at the shore.

New Years Day

Heavy freezing spray in the morning. Cloudy with a 30 percent chance of snow showers. Highs around 7 above inland to around 13 at the shore.

Thursday Night

Cloudy. Heavy freezing spray in the evening. Lows 2 below to 3 above inland to around 7 above at the shore.

Friday And Friday Night

Cloudy. Highs 13 to 18. Lows around 6 above inland to around 12 at the shore.

Saturday

Warmer. A chance of snow showers in the afternoon. Cloudy. Highs 19 to 24. Chance of snow 30 percent.