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

Winter Weather Advisory in effect from December 26, 02:00 AM MST until December 27, 08:00 PM MST

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

light snow

29°F

-2°C

Humidity	NA
Wind Speed	SSW 7 MPH
Barometer	NA
Dewpoint	N/A
Visibility	0.29 mi
Wind Chill	22°F (-6°C)
Last update	NA

More Information:

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

Extended Forecast for

8 Miles WNW Gibbonsville ID

Winter Weather Advisory until December 27, 08:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 27, 08:00pm
NOW until 8:00pm Sat
Winter Weather Advisory
Overnight
Low: 22 °F
Chance Snow
Friday
High: 25 °F
Heavy Snow
and Blowing
Snow
Friday Night
Low: 8 °F
Heavy Snow
and Blowing
Snow
Saturday
High: 12 °F
Snow and
Areas Blowing
Snow
Saturday Night
Low: -6 °F
Partly Cloudy
Sunday
High: 11 °F
Mostly Sunny
Sunday Night
Low: 2 °F
Mostly Clear
Monday
High: 17 °F
Mostly Sunny

Detailed Forecast

Overnight

A 30 percent chance of snow before 5am. Mostly cloudy, with a low around 22. South wind around 14 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow, mainly before 4pm. The snow could be heavy at times. Widespread blowing snow, mainly between 8am and 9am. High near 25. Breezy, with a south wind 16 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow, mainly between midnight and 4am. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 4am. Low around 8. Wind chill values as low as -10. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. Areas of blowing snow before 2pm. High near 12. Wind chill values as low as -15. Breezy, with a west wind 16 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Partly cloudy, with a low around -6. West northwest wind 8 to 16 mph, with gusts as high as 23 mph.

Sunday

Mostly sunny, with a high near 11.

Sunday Night

Mostly clear, with a low around 2.

Monday

Mostly sunny, with a high near 17.

Monday Night

Mostly cloudy, with a low around 11.

Tuesday

Partly sunny, with a high near 23.