Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. 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.

33°F

1°C

Humidity	63%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	08 Dec 10:15 AM 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 8, 05:00pm until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Today
High: 26 °F
Snow Showers
and Patchy
Blowing Snow
Tonight
Low: 24 °F⇑
Snow Showers
and Blowing
Snow
Tuesday
High: 29 °F
Heavy Snow
and Blowing
Snow
Tuesday Night
Low: 21 °F
Heavy Snow
and Breezy
Wednesday
High: 30 °F
Heavy Snow
and Windy
Wednesday Night
Low: 26 °F
Snow Likely
and Windy
Thursday
High: 27 °F
Snow Likely
and Breezy
Thursday Night
Low: 26 °F
Snow Likely
and Breezy
Friday
High: 28 °F
Chance Snow
and Breezy

Detailed Forecast

Today

Snow showers, mainly after 5pm. Patchy blowing snow. High near 26. Windy, with a west wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow showers. Widespread blowing snow, mainly after 3am. Temperature rising to around 28 by midnight. Windy, with a west southwest wind 25 to 32 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Tuesday

Snow showers. The snow could be heavy at times. Widespread blowing snow, mainly before 4pm. High near 29. Windy, with a west wind 23 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 21. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 30. Windy, with a west wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

Snow likely. Cloudy, with a low around 26. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%.

Thursday

Snow likely. Mostly cloudy, with a high near 27. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

Thursday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 26. Breezy. Chance of precipitation is 60%.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 28. Breezy.

Friday Night

Mostly cloudy, with a low around 21. Breezy.

Saturday

Partly sunny, with a high near 28. Breezy.