Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

57°F

14°C

Humidity	68%
Wind Speed	SSW 4 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	15 Aug 10:15 PM MDT

More Information:

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

Extended Forecast for

Mammoth Hot Springs WY

Tonight
Low: 47 °F
Scattered
Showers
Sunday
High: 77 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 48 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 51 °F
Showers
Likely
Tuesday
High: 75 °F
Showers
Likely
Tuesday Night
Low: 48 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 49 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. South wind around 6 mph. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 77. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming southeast after midnight.

Monday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. South southeast wind 5 to 8 mph becoming west in the afternoon.

Monday Night

A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming south southeast in the evening. Chance of precipitation is 70%.

Tuesday

A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Light and variable wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

Tuesday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. West wind around 5 mph becoming light and variable after midnight.

Wednesday

Mostly sunny, with a high near 77.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 81.

Thursday Night

Partly cloudy, with a low around 52.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.