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 >

Current conditions at

Grand Marais/Cook County Airport (KCKC)

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

Overcast

25°F

-4°C

Humidity	100%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	24 Dec 11:55 am CST

More Information:

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

Detailed forecast for

Southern Cook/North Shore

Rest Of Today

Mostly cloudy with a chance of flurries late this morning, then partly sunny this afternoon. Highs in the lower 30s. South winds around 5 mph, becoming west this afternoon.

Tonight

Partly cloudy. Lows 4 to 10 above. North winds 5 to 10 mph with gusts up to 25 mph. Wind chill values as low as 5 below.

Christmas Day

Mostly cloudy. Snow likely in the afternoon. Snow accumulation around an inch possible. Highs in the mid 20s. East winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of snow 60 percent. Wind chill values as low as 5 below.

Thursday Night

Snow with a slight chance of sleet in the evening, then snow with a slight chance of freezing rain after midnight. Additional light snow accumulation. Not as cool. Near steady temperature in the lower 20s. Temperature rising into the mid 20s after midnight. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation near 100 percent.

Friday

Mostly cloudy. A chance of snow with a slight chance of freezing rain in the morning, then a slight chance of freezing drizzle in the afternoon. Additional light snow accumulation possible. Highs in the lower 30s. South winds around 5 mph with gusts up to 20 mph, becoming southwest around 5 mph in the afternoon. Chance of precipitation 50 percent.

Friday Night

Mostly cloudy. Near steady temperature in the mid 20s.

Saturday

Mostly cloudy. A slight chance of rain and snow in the morning, then a chance of rain and snow in the afternoon. Highs in the mid 30s. Chance of precipitation 40 percent.

Saturday Night

Mostly cloudy with a 30 percent chance of snow. Much cooler with lows around 10 above. Wind chill values as low as zero after midnight.

Sunday

Mostly cloudy with a 40 percent chance of snow. Much cooler with highs 15 to 20. Temperature falling to around 10 above in the afternoon. Wind chill values as low as 15 below.

Sunday Night

Mostly cloudy with a 20 percent chance of snow. Cooler with lows 5 below to zero. Wind chill values as low as 25 below.

Monday

Mostly sunny. Cooler with highs 5 to 10 above. Wind chill values as low as 25 below.

Monday Night

Partly cloudy in the evening, then mostly cloudy with a slight chance of snow after midnight. Lows 5 below to zero. Chance of snow 20 percent. Wind chill values as low as 20 below.

Tuesday

Partly sunny with a chance of snow in the morning, then mostly cloudy with a slight chance of snow in the afternoon. Highs around 15. Chance of snow 30 percent. Wind chill values as low as 20 below.