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

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

Lat: 44.916944°NLon: 110.420556°WElev: 6279.0ft.

35°F

2°C

Humidity	92%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	25 Dec 05:15 PM MST

More Information:

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

Extended Forecast for

2 Miles NNW Mt Washburn WY

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

Click here for hazard details and duration

Winter Weather Advisory

Christmas Day
High: 31 °F
Isolated Snow
Showers
Tonight
Low: 29 °F
Snow Showers
and Patchy
Blowing Snow
Friday
High: 28 °F
Heavy Snow
and Patchy
Blowing Snow
Friday Night
Low: 16 °F
Scattered
Snow Showers
and Patchy
Blowing Snow
Saturday
High: 18 °F
Snow Showers
and Breezy
Saturday Night
Low: -5 °F
Slight Chance
Snow Showers
then Mostly
Clear
Sunday
High: 11 °F
Sunny
Sunday Night
Low: -1 °F
Mostly Clear
Monday
High: 18 °F
Sunny

Detailed Forecast

Christmas Day

Isolated snow showers. Partly sunny, with a steady temperature around 31. Southwest wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Tonight

Snow showers. Patchy blowing snow after 1am. Steady temperature around 29. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow showers, mainly before 2pm. The snow could be heavy at times. Patchy blowing snow. High near 28. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Scattered snow showers. Patchy blowing snow before 11pm. Mostly cloudy, with a low around 16. Wind chill values as low as zero. Windy, with a southwest wind 22 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow showers. Some thunder is also possible. High near 18. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around -5. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 11. West southwest wind around 7 mph.

Sunday Night

Mostly clear, with a low around -1.

Monday

Sunny, with a high near 18.

Monday Night

Partly cloudy, with a low around 7.

Tuesday

Partly sunny, with a high near 23.