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 27, 12:00 AM MST until December 27, 02:00 PM MST

Current conditions at

DARKHORSE LAKE (DHLM8)

Lat: 45.17367°NLon: 113.5846°WElev: 8600.0ft.

24°F

-4°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

12 Miles W Jackson MT

Winter Weather Advisory December 27, 12:00am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 27 °F
Chance Snow
Showers
Friday
High: 31 °F
Breezy. Snow
Likely then
Chance Snow
Friday Night
Low: 14 °F
Snow Likely
and Breezy
Saturday
High: 15 °F
Snow
Saturday Night
Low: -4 °F
Partly Cloudy
Sunday
High: 13 °F
Sunny
Sunday Night
Low: 3 °F
Mostly Clear
Monday
High: 22 °F
Sunny
Monday Night
Low: 13 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of snow showers. Mostly cloudy, with a steady temperature around 27. South southwest wind around 17 mph, with gusts as high as 33 mph. Total nighttime snow accumulation of 2 to 4 inches possible.

Friday

A chance of snow showers before 9am, then snow likely, mainly between 9am and 1pm. Partly sunny, with a high near 31. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 14. Wind chill values as low as -5. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. High near 15. Wind chill values as low as -10. West wind 15 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

Partly cloudy, with a low around -4. West northwest wind 6 to 15 mph, with gusts as high as 28 mph.

Sunday

Sunny, with a high near 13. West wind around 6 mph.

Sunday Night

Mostly clear, with a low around 3. South southwest wind around 6 mph.

Monday

Sunny, with a high near 22. Southwest wind around 7 mph.

Monday Night

Mostly cloudy, with a low around 13.

Tuesday

Partly sunny, with a high near 28.