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

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84° N Lon: 90.39° W Elev: 1784 ft.

Overcast

18°F

-8°C

Humidity	100%
Wind Speed	SE 9 G 17 mph
Barometer	30.08 in
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	7°F (-14°C)
Last update	25 Dec 2:55 pm CST

More Information:

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

Detailed forecast for

Southern Cook/North Shore

This Afternoon

Cloudy with a 50 percent chance of snow. Little or no snow accumulation. Near steady temperature in the lower 20s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Tonight

A slight chance of freezing rain and sleet. Snow. Patchy fog after midnight. Snow and sleet accumulation around an inch. Ice accumulation around a trace. Not as cool with lows in the lower 20s. Temperature rising into the mid 20s after midnight. Southeast winds 15 to 20 mph. Gusts up to 35 mph in the evening. Chance of precipitation 90 percent.

Friday

Patchy fog in the morning. Mostly cloudy with a chance of freezing drizzle and snow in the morning, then partly sunny in the afternoon. Little or no additional snow accumulation. Ice accumulation around a trace. Not as cool with highs in the mid 30s. Temperature falling to around 30 in the afternoon. Southwest winds around 5 mph, becoming northwest in the afternoon. Chance of precipitation 50 percent.

Friday Night

Mostly cloudy. Lows in the lower 20s. Temperature rising into the mid 20s after midnight. North winds around 5 mph, becoming southeast after midnight.

Saturday

Cloudy. A slight chance of drizzle and freezing drizzle in the morning, then a chance of drizzle and freezing drizzle in the afternoon. Highs in the mid 30s. Southeast winds 5 to 10 mph.

Saturday Night

Cloudy with a chance of freezing rain and freezing drizzle. A chance of rain in the evening, then a chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 50 percent.

Sunday

A chance of freezing drizzle with a slight chance of drizzle in the morning. Mostly cloudy with a chance of snow. Highs in the lower 30s. Temperature falling into the lower 20s in the afternoon. Chance of precipitation 40 percent.

Sunday Night

Mostly cloudy with a 50 percent chance of snow. Much cooler with lows around zero. Wind chill values as low as 20 below.

Monday

Partly sunny. Much cooler with highs around 10 above. Wind chill values as low as 20 below.

Monday Night

Mostly cloudy. A slight chance of snow after midnight. Lows around zero. Temperature rising to around zero after midnight. Chance of snow 20 percent. Wind chill values as low as 20 below.

Tuesday

Mostly cloudy. A chance of snow, mainly in the morning. Highs 15 to 20. Chance of snow 50 percent. Wind chill values as low as 10 below in the morning.

Tuesday Night

Mostly cloudy. Lows around 5 below. Wind chill values as low as 20 below.

Wednesday

Partly sunny with a 20 percent chance of snow. Highs 5 to 10 above. Wind chill values as low as 25 below.