Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. 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.

23°F

-5°C

Humidity	51%
Wind Speed	SSW 3 MPH
Barometer	NA
Dewpoint	7°F (-14°C)
Visibility	NA
Last update	28 Jan 06:15 AM MST

More Information:

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

Extended Forecast for

Mammoth WY

Today
High: 34 °F
Partly Sunny
then Chance
Snow Showers
Tonight
Low: 18 °F
Slight Chance
Snow Showers
then Partly
Cloudy
Thursday
High: 34 °F
Mostly Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
Friday
High: 38 °F
Partly Sunny
Friday Night
Low: 27 °F
Mostly Cloudy
Saturday
High: 42 °F
Mostly Sunny
Saturday Night
Low: 22 °F
Partly Cloudy
Sunday
High: 45 °F
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 34. East southeast wind 5 to 7 mph becoming southwest in the afternoon.

Tonight

A 20 percent chance of snow showers before 10pm. Mostly cloudy, with a low around 18. South southwest wind around 6 mph.

Thursday

Mostly sunny, with a high near 34. South wind around 6 mph.

Thursday Night

Mostly cloudy, with a low around 21. South southwest wind around 6 mph.

Friday

Partly sunny, with a high near 38. South southwest wind around 6 mph.

Friday Night

Mostly cloudy, with a low around 27. South southwest wind around 7 mph.

Saturday

Mostly sunny, with a high near 42. Southwest wind around 6 mph.