Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. 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.

55°F

13°C

Humidity	38%
Wind Speed	SW 11 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	25 Mar 11:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Today
High: 62 °F
Slight Chance
Showers and
Breezy
Tonight
Low: 39 °F
Slight Chance
Showers then
Chance
Rain/Snow
Thursday
High: 48 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 27 °F
Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 34 °F
Partly Cloudy
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 38 °F
Partly Cloudy
Sunday
High: 66 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 62. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

Tonight

A chance of rain showers before 5am, then a chance of rain and snow showers. Snow level 10000 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 39. Southwest wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday

A chance of snow showers before 9am, then a chance of snow showers after 11am. Sunny, with a high near 48. Breezy, with a northwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday Night

Clear, with a low around 27. West northwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

Friday

Sunny, with a high near 56. Light and variable wind becoming southwest 5 to 7 mph in the morning.

Friday Night

Partly cloudy, with a low around 34. Southwest wind 5 to 7 mph becoming south southeast after midnight.

Saturday

Mostly sunny, with a high near 64. South southeast wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

Partly cloudy, with a low around 38.

Sunday

Mostly sunny, with a high near 66.