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

5 Miles SSW Mammoth Hot Springs WY

Overnight
Low: 41 °F
Mostly Clear
and Breezy
Wednesday
High: 55 °F
Breezy.
Mostly Sunny
then Slight
Chance
Showers
Wednesday Night
Low: 33 °F
Chance
Showers and
Breezy then
Chance
Rain/Snow
Thursday
High: 41 °F
Chance Snow
Showers and
Breezy
Thursday Night
Low: 19 °F
Clear
Friday
High: 47 °F
Sunny
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 54 °F
Mostly Sunny
Saturday Night
Low: 31 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 41. Breezy, with a southwest wind around 15 mph, with gusts as high as 22 mph.

Wednesday

A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 55. Breezy, with a southwest wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of rain showers before 3am, then a chance of rain and snow showers between 3am and 5am, then a chance of snow showers after 5am. Snow level 10000 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 33. Breezy, with a southwest wind 13 to 18 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday

A chance of snow showers before 8am, then a chance of snow showers after 11am. Sunny, with a high near 41. Breezy, with a northwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday Night

Clear, with a low around 19. West wind 9 to 14 mph becoming light and variable. Winds could gust as high as 21 mph.

Friday

Sunny, with a high near 47. South southeast wind 5 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Partly cloudy, with a low around 27. Southwest wind around 7 mph becoming south southeast after midnight.

Saturday

Mostly sunny, with a high near 54.

Saturday Night

Partly cloudy, with a low around 31.

Sunday

Mostly sunny, with a high near 56.