Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

69°F

21°C

Humidity	26%
Wind Speed	E 3 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	13 May 10:15 AM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Today
High: 79 °F
Severe
Thunderstorms
and Windy
Tonight
Low: 42 °F
Severe
Thunderstorms
and Breezy
then Mostly
Clear
Thursday
High: 67 °F
Sunny and
Breezy
Thursday Night
Low: 41 °F
Mostly Clear
and Breezy
then Mostly
Clear
Friday
High: 68 °F
Sunny and
Breezy
Friday Night
Low: 39 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Saturday
High: 61 °F
Mostly Sunny
and Breezy
Saturday Night
Low: 35 °F
Chance
Showers then
Rain/Snow
Likely
Sunday
High: 48 °F
Snow Showers
then
Rain/Snow

Detailed Forecast

Today

Scattered showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Partly sunny, with a high near 79. Windy, with a south southwest wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

Tonight

Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Some of the storms could be severe. Snow level 11700 feet lowering to 6100 feet after midnight . Mostly cloudy during the early evening, then gradual clearing, with a low around 42. Breezy, with a southwest wind 19 to 24 mph becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

Thursday

Sunny, with a high near 67. Breezy, with a south wind 11 to 16 mph becoming west southwest 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.

Thursday Night

Mostly clear, with a low around 41. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph.

Friday

Sunny, with a high near 68. Breezy, with a west southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph.

Friday Night

Partly cloudy, with a low around 39. Breezy, with a west wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 33 mph.

Saturday

Mostly sunny, with a high near 61. Breezy, with a southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

Saturday Night

A chance of rain showers before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Some thunder is also possible. Snow level 8000 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Sunday

Snow showers before noon, then rain and snow showers. Some thunder is also possible. Snow level rising to 6500 feet in the afternoon. High near 48. Chance of precipitation is 80%.

Sunday Night

Rain and snow showers likely, becoming all snow after 9pm. Some thunder is also possible. Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

Monday

A chance of rain and snow showers. Some thunder is also possible. Snow level rising to 6900 feet in the afternoon. Partly sunny, with a high near 52.

Monday Night

Mostly cloudy, with a low around 31.

Tuesday

A chance of showers and thunderstorms. Snow level 6300 feet rising to 8200 feet in the afternoon. Mostly sunny, with a high near 61.