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.

36°F

2°C

Humidity	88%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	26 Dec 01:15 AM MST

More Information:

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

Extended Forecast for

11 Miles SSE Cooke City MT

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 and
Patchy
Blowing Snow
Friday
High: 27 °F⇓
Snow and
Areas Blowing
Snow
Friday Night
Low: 13 °F
Chance Snow
and Blowing
Snow
Saturday
High: 15 °F
Snow and
Windy
Saturday Night
Low: -7 °F
Chance Snow
then Partly
Cloudy and
Breezy
Sunday
High: 6 °F
Cold
Sunday Night
Low: -4 °F
Mostly Clear
Monday
High: 16 °F
Sunny
Monday Night
Low: 7 °F
Partly Cloudy
and Breezy

Detailed Forecast

Overnight

Snow. Patchy blowing snow. Low around 23. Breezy, with a west southwest wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

Friday

Snow, mainly before 3pm. Some thunder is also possible. Areas of blowing snow. Temperature falling to around 21 by 5pm. Windy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Friday Night

A 50 percent chance of snow. Widespread blowing snow, mainly before 10pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. Windy, with a west southwest wind 30 to 33 mph, with gusts as high as 47 mph. New snow accumulation of less than one inch possible.

Saturday

Snow. High near 15. Wind chill values as low as -15. Windy, with a west southwest wind 29 to 34 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Partly cloudy, with a low around -7. Breezy, with a west northwest wind around 15 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Sunday

Sunny and cold, with a high near 6. West wind 10 to 14 mph, with gusts as high as 21 mph.

Sunday Night

Mostly clear, with a low around -4. West wind around 14 mph, with gusts as high as 20 mph.

Monday

Sunny, with a high near 16.

Monday Night

Partly cloudy, with a low around 7. Breezy.

Tuesday

Mostly cloudy, with a high near 21.

Tuesday Night

Mostly cloudy, with a low around 10.