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

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

36°F

2°C

Humidity	100%
Wind Speed	SW 10 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	25 Dec 10:15 AM MST

More Information:

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

Extended Forecast for

4 Miles WSW Madison WY

Christmas Day
High: 40 °F
Scattered
Rain/Snow
Tonight
Low: 28 °F
Snow Showers
and Breezy
Friday
High: 34 °F
Heavy Snow
and Patchy
Blowing Snow
Friday Night
Low: 18 °F
Snow Showers
Likely and
Breezy
Saturday
High: 25 °F
Snow
Saturday Night
Low: -4 °F
Slight Chance
Snow then
Mostly Clear
Sunday
High: 18 °F
Sunny
Sunday Night
Low: 1 °F
Partly Cloudy
Monday
High: 24 °F
Sunny

Detailed Forecast

Christmas Day

Scattered rain and snow showers before 1pm, then scattered snow showers. Some thunder is also possible. Partly sunny, with a high near 40. Southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Tonight

Snow showers. Low around 28. Breezy, with a south southwest wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow showers, mainly before 2pm. The snow could be heavy at times. Patchy blowing snow after 9am. High near 34. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow showers likely, mainly between 10pm and 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 18. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. Some thunder is also possible. High near 25. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 20 percent chance of snow before 11pm. Mostly clear, with a low around -4. Light and variable wind.

Sunday

Sunny, with a high near 18. Light southwest wind.

Sunday Night

Partly cloudy, with a low around 1.

Monday

Sunny, with a high near 24.

Monday Night

Mostly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 31.