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

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

32°F

0°C

Humidity	88%
Wind Speed	N 0 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	26 Dec 01:56 AM MST

More Information:

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

Extended Forecast for

24 Miles ENE Lake WY

Winter Weather Advisory December 26, 05:00am until December 26, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 23 °F
Snow Likely
and Areas
Blowing Snow
Friday
High: 28 °F⇓
Snow and
Patchy
Blowing Snow
Friday Night
Low: 13 °F
Snow Likely
and Patchy
Blowing Snow
Saturday
High: 16 °F
Snow and
Breezy
Saturday Night
Low: -8 °F
Chance Snow
then Partly
Cloudy
Sunday
High: 7 °F
Cold
Sunday Night
Low: -4 °F
Partly Cloudy
Monday
High: 17 °F
Sunny
Monday Night
Low: 8 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow. Some thunder is also possible. Patchy blowing snow. Temperature rising to near 28 by noon, then falling to around 19 during the remainder of the day. Windy, with a southwest wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow likely, mainly after 11pm. Patchy blowing snow before 11pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 16. Wind chill values as low as -10. Breezy, with a west southwest wind 14 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -8. West northwest wind around 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

Sunday

Mostly sunny and cold, with a high near 7. West wind 9 to 13 mph, with gusts as high as 21 mph.

Sunday Night

Partly cloudy, with a low around -4. West wind around 10 mph.

Monday

Sunny, with a high near 17.

Monday Night

Partly cloudy, with a low around 8.

Tuesday

Partly sunny, with a high near 23.

Tuesday Night

Mostly cloudy, with a low around 11.