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.

81°F

27°C

Humidity	31%
Wind Speed	S 5 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	22 Aug 03:15 PM MDT

More Information:

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

Extended Forecast for

2 Miles WSW Mammoth Hot Springs WY

This Afternoon
High: 78 °F
Chance
T-storms
Tonight
Low: 50 °F
T-storms
Likely then
Mostly Cloudy
Sunday
High: 73 °F
Mostly Sunny
then Chance
T-storms and
Breezy
Sunday Night
Low: 45 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 74 °F
Mostly Sunny
Monday Night
Low: 47 °F
Mostly Cloudy
Tuesday
High: 73 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 47 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 75 °F
Partly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 78. Southwest wind around 9 mph.

Tonight

Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 50. South southwest wind around 7 mph. 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 4pm. Mostly sunny, with a high near 73. Breezy, with a south wind 6 to 11 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 45. South southwest wind 5 to 13 mph, with gusts as high as 26 mph.

Monday

Mostly sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

Monday Night

Mostly cloudy, with a low around 47. West wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Tuesday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light and variable wind becoming west 5 to 7 mph in the morning.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

Wednesday

A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Thursday Night

Mostly cloudy, with a low around 46.

Friday

Mostly sunny, with a high near 72.