Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. 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.

24°F

-4°C

Humidity	76%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	18°F (-8°C)
Visibility	NA
Last update	08 Jan 01:15 AM MST

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Overnight
Low: 17 °F
Chance Snow
Thursday
High: 22 °F
Chance Snow
Thursday Night
Low: 4 °F
Partly Cloudy
Friday
High: 20 °F
Slight Chance
Snow
Friday Night
Low: 11 °F
Mostly Cloudy
Saturday
High: 26 °F
Mostly Sunny
Saturday Night
Low: 8 °F
Partly Cloudy
Sunday
High: 30 °F
Mostly Sunny
Sunday Night
Low: 7 °F
Partly Cloudy

Detailed Forecast

Overnight

Scattered snow showers before 2am, then a chance of snow after 4am. Mostly cloudy, with a steady temperature around 17. South southeast wind around 8 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of 1 to 2 inches possible.

Thursday

A 50 percent chance of snow, mainly before 2pm. Partly sunny, with a high near 22. South southeast wind 6 to 10 mph becoming north northwest in the afternoon. New snow accumulation of less than one inch possible.

Thursday Night

Partly cloudy, with a low around 4. Wind chill values as low as -10. South southeast wind 8 to 11 mph becoming northwest in the evening. Winds could gust as high as 23 mph.

Friday

A 20 percent chance of snow after 11am. Partly sunny, with a high near 20. Wind chill values as low as -10. West southwest wind around 10 mph, with gusts as high as 23 mph.

Friday Night

Mostly cloudy, with a low around 11. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

Saturday

Mostly sunny, with a high near 26. Southwest wind around 7 mph.

Saturday Night

Partly cloudy, with a low around 8. South wind around 7 mph.

Sunday

Mostly sunny, with a high near 30.

Sunday Night

Partly cloudy, with a low around 7.

Monday

Mostly sunny, with a high near 30.