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

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

41°F

5°C

Humidity	51%
Wind Speed	SW 6 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	24 Dec 08:15 AM MST

More Information:

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

Extended Forecast for

2 Miles NE Norris WY

Today
High: 42 °F
Mostly Sunny
then
Rain/Snow
Likely and
Breezy
Tonight
Low: 32 °F
Rain/Snow
Christmas Day
High: 38 °F
Rain/Snow
then Snow
Likely
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 33 °F
Snow
Friday Night
Low: 17 °F
Chance Snow
Saturday
High: 24 °F
Chance Snow
Saturday Night
Low: 3 °F
Partly Cloudy
Sunday
High: 23 °F
Partly Sunny

Detailed Forecast

Today

A slight chance of rain before 1pm, then a chance of rain and snow between 1pm and 2pm, then rain likely after 2pm. Snow level rising to 8500 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

Rain and snow. Snow level 8700 feet lowering to 8200 feet after midnight . Low around 32. South wind 8 to 11 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Christmas Day

Rain and snow, becoming all snow after 7am. Some thunder is also possible. High near 38. South southwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 26. South southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Friday

Snow. High near 33. South southwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 17. Southwest wind 9 to 11 mph.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 24. West wind 8 to 11 mph.

Saturday Night

Partly cloudy, with a low around 3.

Sunday

Partly sunny, with a high near 23.

Sunday Night

Mostly cloudy, with a low around 5.

Monday

Partly sunny, with a high near 30.