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

DW7095 Clark (D7095)

Lat: 44.90317°NLon: 109.17183°WElev: 4270.0ft.

33°F

1°C

Humidity	78%
Wind Speed	N 1 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	09 Dec 08:30 PM MST

More Information:

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

Extended Forecast for

18 Miles SE Cooke City MT

Winter Storm Warning December 9, 08:57pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 9, 08:57pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Tonight
Low: 27 °F
Isolated Snow
Showers and
Blustery then
Snow Showers
Wednesday
High: 46 °F
Windy.
Rain/Snow
then Showers
Likely
Wednesday Night
Low: 36 °F
Breezy.
Chance
Showers then
Slight Chance
Rain/Snow
Thursday
High: 44 °F
Chance
Showers and
Windy
Thursday Night
Low: 33 °F
Rain/Snow
Likely and
Breezy
Friday
High: 43 °F
Chance
Rain/Snow and
Breezy
Friday Night
Low: 28 °F
Slight Chance
Rain/Snow and
Breezy
Saturday
High: 41 °F
Breezy.
Slight Chance
Snow Showers
then Mostly
Sunny

Detailed Forecast

Tonight

Snow showers, mainly after 2am. Low around 27. Blustery, with a west wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

Wednesday

Rain, possibly mixed with snow showers, becoming all rain after 10am. Snow level 7200 feet rising to 8500 feet in the afternoon. High near 46. Windy, with a west wind 16 to 21 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Night

A chance of rain showers before 2am, then a slight chance of rain and snow showers. Snow level 8400 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 36. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

Thursday

A 30 percent chance of showers, mainly after 11am. Snow level 7300 feet. Partly sunny, with a high near 44. Windy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.

Thursday Night

Rain showers likely before 8pm, then rain likely, possibly mixed with snow showers. Snow level 7400 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 33. Breezy, with a west wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

A chance of rain and snow showers. Snow level 6600 feet rising to 7300 feet in the afternoon. Partly sunny, with a high near 43. Breezy, with a west wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

Friday Night

A slight chance of rain and snow showers after 11pm. Snow level 7200 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 28. Breezy, with a west wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Saturday

A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 41. Breezy.

Saturday Night

Partly cloudy, with a low around 26.

Sunday

Mostly sunny, with a high near 46. Breezy.

Sunday Night

Partly cloudy, with a low around 25. Breezy.

Monday

Mostly sunny, with a high near 44.

Monday Night

Partly cloudy, with a low around 28. Breezy.