Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

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

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	NA
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Detailed forecast for

Keweenaw County

Early This Morning

Snow with a slight chance of freezing rain. Snow may be heavy at times. Snow accumulation of 2 to 4 inches. Minor ice accumulation possible. Southeast winds 5 to 15 mph with gusts up to 45 mph. Chance of precipitation 100 percent.

Today

Cloudy. A chance of snow with a slight chance of freezing drizzle in the morning. Highs in the mid 30s. South winds 5 to 15 mph with gusts up to 25 mph, becoming light northwest in the afternoon. Chance of precipitation 50 percent.

Tonight

Cloudy. Lows around 28. Light west winds, becoming south after midnight.

Saturday

A slight chance of freezing rain in the morning, then a slight chance of rain showers in the afternoon. Cloudy. Highs around 35. South winds 5 to 10 mph, becoming southeast in the afternoon. Gusts up to 25 mph. Chance of precipitation 20 percent.

Saturday Night

Cloudy with a chance of rain showers and freezing rain. Lows around 32. South winds 5 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.

Sunday

A chance of rain showers, freezing rain and snow showers in the morning, then rain and snow showers likely in the afternoon. Cloudy. Minor ice accumulation possible. Highs around 34. North winds 10 to 20 mph with gusts up to 30 mph. Chance of precipitation 60 percent.

Sunday Night

Breezy, snow. Heavy freezing spray after midnight. Lows 10 to 15. Chance of snow 90 percent.

Monday

Breezy, colder. Snow likely in the morning, then a chance of snow in the afternoon. Heavy freezing spray. Cloudy. Highs around 14 inland to around 20 at the shore. Chance of snow 70 percent.

Monday Night

Heavy freezing spray in the evening. A chance of snow showers after midnight. Cloudy. Lows around 6 above inland to around 12 at the shore. Chance of snow 40 percent.

Tuesday

Snow showers likely. Highs around 16 inland to around 22 at the shore. Chance of snow 70 percent.

Tuesday Night And Wednesday

Colder. Cloudy with a 50 percent chance of snow showers. Lows around zero inland to around 6 above at the shore. Highs around 6 above inland to around 12 at the shore.

Wednesday Night

Mostly cloudy with a 50 percent chance of snow showers. Lows around 2 below inland to around 5 above at the shore.

New Years Day

A chance of snow showers in the morning. Cloudy. Highs 10 to 15. Chance of snow 30 percent.