Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

67°F

19°C

Humidity	51%
Wind Speed	NW 4 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	22 Aug 08:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth WY

Tonight
Low: 56 °F
T-storms
Likely then
Mostly Cloudy
Sunday
High: 80 °F
Mostly Sunny
then Chance
T-storms and
Breezy
Sunday Night
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 54 °F
Mostly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 54 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 84 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 54 °F
Slight Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 56. West southwest wind 6 to 8 mph becoming east southeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 80. Breezy, with a southeast wind 6 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

Monday

Mostly sunny, with a high near 84. Light and variable wind becoming west 5 to 8 mph in the afternoon.

Monday Night

Mostly cloudy, with a low around 54. West northwest wind 5 to 8 mph becoming south southeast after midnight.

Tuesday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming west northwest around 6 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming southeast after midnight.

Wednesday

A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

Thursday Night

Mostly cloudy, with a low around 52.

Friday

Mostly sunny, with a high near 81.

Friday Night

Partly cloudy, with a low around 51.