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

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

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

37°F

3°C

Humidity	98%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	25 Dec 01:15 AM MST

More Information:

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

Extended Forecast for

3 Miles SE Cooke City MT

Overnight
Low: 32 °F
Snow Likely
and Breezy
Christmas Day
High: 35 °F
Snow Likely
and Breezy
Thursday Night
Low: 25 °F
Snow Likely
and Breezy
Friday
High: 27 °F
Snow and
Breezy
Friday Night
Low: 14 °F
Snow Likely
and Windy
Saturday
High: 17 °F
Snow and
Breezy
Saturday Night
Low: -6 °F
Chance Snow
then Partly
Cloudy
Sunday
High: 10 °F
Cold
Sunday Night
Low: 0 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow likely. Mostly cloudy, with a steady temperature around 32. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

Christmas Day

Snow likely, mainly before 11am. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 27. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 14. Windy, with a west southwest wind around 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 17. Breezy, with a west southwest wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%.

Saturday Night

A 40 percent chance of snow before 11pm. Partly cloudy, with a low around -6. West northwest wind 8 to 10 mph.

Sunday

Sunny and cold, with a high near 10.

Sunday Night

Partly cloudy, with a low around 0.

Monday

Sunny, with a high near 21.

Monday Night

Mostly cloudy, with a low around 11.

Tuesday

Mostly sunny, with a high near 27.