Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. 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.

54°F

12°C

Humidity	50%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	25 Mar 02:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Overnight
Low: 47 °F
Partly Cloudy
Wednesday
High: 62 °F
Breezy.
Mostly Sunny
then Slight
Chance
Showers
Wednesday Night
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

Detailed Forecast

Overnight

Partly cloudy, with a low around 47. South southeast wind around 7 mph.

Wednesday

A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 62. Breezy, with a south southeast wind 6 to 11 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

Wednesday Night

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.

Saturday Night

Partly cloudy, with a low around 38.

Sunday

Mostly sunny, with a high near 66.