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

6 Miles SSW 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: 27 °F
Snow Likely
and Patchy
Blowing Snow
Friday
High: 33 °F
Snow and
Areas Blowing
Snow
Friday Night
Low: 18 °F
Snow Likely
and Patchy
Blowing Snow
Saturday
High: 24 °F
Snow and
Breezy
Saturday Night
Low: -3 °F
Chance Snow
then Mostly
Clear
Sunday
High: 15 °F
Mostly Sunny
Sunday Night
Low: -2 °F
Partly Cloudy
Monday
High: 24 °F
Sunny
Monday Night
Low: 7 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow likely. Patchy blowing snow. Mostly cloudy, with a low around 27. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow, mainly before 4pm. Some thunder is also possible. Areas of blowing snow. High near 33. Windy, with a south southwest wind 22 to 28 mph, with gusts as high as 39 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. Increasing clouds, with a low around 18. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. Some thunder is also possible. High near 24. Breezy, with a southwest wind 8 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 30 percent chance of snow before 11pm. Partly cloudy, with a low around -3. West northwest wind around 6 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 15. Calm wind becoming west around 5 mph.

Sunday Night

Partly cloudy, with a low around -2. Calm wind.

Monday

Sunny, with a high near 24.

Monday Night

Partly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 29.