Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

36°F

2°C

Humidity	62%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	28 Nov 10:15 AM MST

More Information:

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

Extended Forecast for

17 Miles SE Big Sky MT

Today
High: 31 °F⇓
Snow Showers
Tonight
Low: -1 °F
Scattered
Snow Showers
then Partly
Cloudy
Saturday
High: 22 °F
Sunny
Saturday Night
Low: 9 °F
Mostly Cloudy
Sunday
High: 23 °F
Mostly Sunny
Sunday Night
Low: 8 °F
Partly Cloudy
Monday
High: 24 °F
Partly Sunny
Monday Night
Low: 17 °F
Chance Snow
Showers
Tuesday
High: 26 °F
Snow Showers

Detailed Forecast

Today

Snow showers. Temperature falling to around 17 by 5pm. South southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Scattered snow showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values as low as -10. North wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Saturday

Sunny, with a high near 22. Wind chill values as low as -10. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 9. South southeast wind 3 to 6 mph.

Sunday

Mostly sunny, with a high near 23. East northeast wind around 5 mph becoming west northwest in the afternoon.

Sunday Night

Partly cloudy, with a low around 8. Southwest wind 3 to 6 mph.

Monday

Partly sunny, with a high near 24. South southwest wind around 8 mph.

Monday Night

A 40 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 17.