Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

30°F

-1°C

Humidity	84%
Wind Speed	W 3 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	08 Dec 08:56 PM MST

More Information:

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

Extended Forecast for

West Thumb WY

Winter Storm Warning until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Tonight
Low: 26 °F
Snow Showers
and Patchy
Blowing Snow
Tuesday
High: 34 °F
Snow Showers
and Patchy
Blowing Snow
Tuesday Night
Low: 24 °F
Snow Showers
Wednesday
High: 37 °F
Rain/Snow
Wednesday Night
Low: 28 °F
Rain/Snow
Likely and
Breezy
Thursday
High: 36 °F
Snow Showers
Likely
Thursday Night
Low: 27 °F
Snow Showers
Likely
Friday
High: 36 °F
Chance Snow
Showers

Detailed Forecast

Tonight

Snow showers. Patchy blowing snow. Low around 26. Breezy, with a west southwest wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Snow showers. Patchy blowing snow before 2pm. High near 34. Breezy, with a west southwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow showers. Low around 24. West southwest wind 7 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow showers before 8am, then rain, possibly mixed with snow showers. Snow level rising to 8400 feet in the afternoon. High near 37. West southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Wednesday Night

Rain and snow showers likely, mainly before 11pm. Snow level 8500 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow showers likely. Mostly cloudy, with a high near 36. Southwest wind around 11 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. West southwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Friday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 36.

Friday Night

Mostly cloudy, with a low around 23.

Saturday

Mostly sunny, with a high near 36.

Saturday Night

Partly cloudy, with a low around 16.

Sunday

A slight chance of snow showers. Partly sunny, with a high near 36.

Sunday Night

A slight chance of snow showers. Mostly cloudy, with a low around 16.