Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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.

32°F

0°C

Humidity	84%
Wind Speed	S 2 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	09 Dec 08:15 PM MST

More Information:

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

Extended Forecast for

11 Miles S Cooke City MT

Winter Storm Warning December 9, 08:59pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 9, 08:59pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Tonight
Low: 21 °F
Heavy Snow
and Areas
Blowing Snow
Wednesday
High: 35 °F
Heavy Snow
and Blowing
Snow
Wednesday Night
Low: 29 °F
Chance Snow
Showers and
Windy
Thursday
High: 30 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 28 °F
Snow Showers
Likely and
Breezy
Friday
High: 29 °F
Snow Showers
Likely and
Breezy
Friday Night
Low: 21 °F
Slight Chance
Snow Showers
and Breezy
Saturday
High: 28 °F
Slight Chance
Snow Showers
and Breezy
then Mostly
Sunny

Detailed Forecast

Tonight

Snow showers, mainly after 1am. The snow could be heavy at times. Patchy blowing snow before 9pm, then areas of blowing snow after 2am. Low around 21. Breezy, with a west wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

Snow showers. The snow could be heavy at times. Widespread blowing snow before noon, then patchy blowing snow after 1pm. High near 35. Windy, with a west southwest wind 24 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 29. Windy, with a west southwest wind 24 to 26 mph, with gusts as high as 39 mph.

Thursday

A 40 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 30. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 34 mph. New snow accumulation of around an inch possible.

Thursday Night

Snow showers likely. Cloudy, with a low around 28. Breezy, with a west wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 29. Breezy, with a west wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Friday Night

A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 33 mph.

Saturday

A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 28. Breezy.

Saturday Night

Partly cloudy, with a low around 19.

Sunday

Mostly sunny, with a high near 31.

Sunday Night

Partly cloudy, with a low around 19.

Monday

Mostly sunny, with a high near 29.

Monday Night

A slight chance of snow showers. Mostly cloudy, with a low around 22. Breezy.