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

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

30°F

-1°C

Humidity	100%
Wind Speed	NE 0 MPH
Barometer	NA
Dewpoint	30°F (-1°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

8 Miles S West Yellowstone MT

Winter Storm Warning December 9, 09:29pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 9, 09:29pm until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Tonight
Low: 26 °F
Snow Showers
Likely then
Snow Showers
and Breezy
Wednesday
High: 36 °F
Rain/Snow and
Patchy
Blowing Snow
Wednesday Night
Low: 29 °F
Breezy.
Chance
Rain/Snow
then Slight
Chance Snow
Showers
Thursday
High: 33 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 28 °F
Chance Snow
Showers
Friday
High: 32 °F
Chance Snow
Showers
Friday Night
Low: 24 °F
Mostly Cloudy
Saturday
High: 33 °F
Slight Chance
Snow Showers
then Mostly
Sunny

Detailed Forecast

Tonight

Snow showers, mainly after 10pm. Low around 26. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Snow showers before 1pm, then rain and snow showers likely. Patchy blowing snow before 10am. High near 36. Breezy, with a southwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday Night

A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 29. Breezy, with a south southwest wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Thursday

A 30 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 33. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 23 mph.

Thursday Night

A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. Southwest wind around 13 mph, with gusts as high as 20 mph. New snow accumulation of around an inch possible.

Friday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 32. Southwest wind 11 to 13 mph.

Friday Night

Mostly cloudy, with a low around 24. Southwest wind around 13 mph.

Saturday

A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 33.

Saturday Night

Partly cloudy, with a low around 20.

Sunday

Mostly sunny, with a high near 34.

Sunday Night

Partly cloudy, with a low around 20.