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.

77°F

25°C

Humidity	34%
Wind Speed	SW 5 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	22 Aug 01:15 PM MDT

More Information:

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

Extended Forecast for

9 Miles W Mammoth Hot Springs WY

This Afternoon
High: 67 °F
Chance
T-storms and
Breezy
Tonight
Low: 49 °F
Showers
Likely then
Mostly Cloudy
Sunday
High: 63 °F
Breezy.
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 44 °F
Slight Chance
T-storms and
Breezy then
Mostly Clear
Monday
High: 64 °F
Sunny then
Sunny and
Breezy
Monday Night
Low: 47 °F
Mostly Cloudy
Tuesday
High: 63 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 46 °F
Chance
Showers then
Partly Cloudy
Wednesday
High: 65 °F
Partly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 67. Breezy, with a southwest wind 11 to 15 mph, with gusts as high as 24 mph.

Tonight

Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 8 to 10 mph, with gusts as high as 20 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 between 3pm and 5pm. Mostly sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 44. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 30 mph.

Monday

Sunny, with a high near 64. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 25 mph.

Monday Night

Mostly cloudy, with a low around 47. West wind 7 to 13 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.

Tuesday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. South southwest wind 7 to 10 mph becoming west northwest in the afternoon.

Tuesday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.

Wednesday

A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.

Thursday Night

Partly cloudy, with a low around 45. Breezy.

Friday

Mostly sunny, with a high near 62. Breezy.