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

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Mostly Cloudy

46°F

8°C

Humidity	93%
Wind Speed	ESE 4 MPH
Barometer	29.44 in (996.95 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	24 Dec 08:20 AM PST

More Information:

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

Extended Forecast for

13 Miles NW Fort Jones CA

Wind Advisory December 24, 08:30am until December 24, 01:00pm

Winter Storm Warning December 24, 08:30am until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory December 24, 08:30am until December 24, 01:00pm
Winter Storm Warning December 24, 08:30am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 52 °F
Chance Rain
and Breezy
then Mostly
Sunny
Tonight
Low: 37 °F
Rain
Christmas Day
High: 47 °F
Rain
Thursday Night
Low: 34 °F
Rain
Friday
High: 46 °F
Rain
Friday Night
Low: 28 °F
Chance Rain
then Mostly
Cloudy
Saturday
High: 44 °F
Mostly Sunny
Saturday Night
Low: 25 °F
Mostly Clear

Detailed Forecast

Today

A 50 percent chance of rain before 11am. Snow level 5700 feet lowering to 4500 feet. Partly sunny, with a high near 52. Breezy, with a south wind 18 to 28 mph decreasing to 7 to 17 mph in the morning. Winds could gust as high as 44 mph.

Tonight

Rain, mainly after 9pm. Low around 37. East southeast wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Christmas Day

Rain. Snow level 4300 feet. High near 47. South southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Snow level 3900 feet. Low around 34. South southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain, mainly before 4pm. Snow level 3800 feet. High near 46. Southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A 30 percent chance of rain before 10pm. Snow level 3400 feet. Mostly cloudy, with a low around 28.

Saturday

Mostly sunny, with a high near 44.

Saturday Night

Mostly clear, with a low around 25.

Sunday

Mostly sunny, with a high near 46.

Sunday Night

Mostly clear, with a low around 28.

Monday

Mostly sunny, with a high near 50.