Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. 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.

26°F

-3°C

Humidity	53%
Wind Speed	SSE 2 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Last update	25 Nov 10:15 PM MST

More Information:

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

Extended Forecast for

3 Miles WNW Mammoth Hot Springs WY

Tonight
Low: 17 °F
Snow Showers
Likely
Wednesday
High: 27 °F
Snow Showers
Likely then
Isolated Snow
Showers
Wednesday Night
Low: 23 °F
Increasing
Clouds
Thanksgiving Day
High: 32 °F
Chance Snow
Showers
Thursday Night
Low: 23 °F
Chance Snow
Showers
Friday
High: 25 °F
Snow Showers
Likely
Friday Night
Low: 7 °F
Chance Snow
Showers
Saturday
High: 19 °F
Chance Snow
Showers
Saturday Night
Low: 6 °F
Slight Chance
Snow Showers

Detailed Forecast

Tonight

Snow showers likely, mainly after 5am. Cloudy, with a low around 17. South southwest wind 11 to 13 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Snow showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 27. West southwest wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday Night

Increasing clouds, with a low around 23. South southwest wind around 9 mph.

Thanksgiving Day

A 30 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 32. South southwest wind 8 to 10 mph.

Thursday Night

A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 23. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.

Friday

Snow showers likely. Mostly cloudy, with a high near 25. West southwest wind 6 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.

Friday Night

A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 7. North northwest wind around 9 mph.

Saturday

A 30 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 19.

Saturday Night

A 20 percent chance of snow showers. Mostly cloudy, with a low around 6.

Sunday

A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 18.

Sunday Night

Mostly cloudy, with a low around 10.

Monday

Partly sunny, with a high near 22.