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.

48°F

9°C

Humidity	86%
Wind Speed	S 4 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	47°F (8°C)
Last update	15 Aug 07:15 AM MDT

More Information:

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

Extended Forecast for

10 Miles NNW Mount Holmes WY

Today
High: 61 °F
Partly Sunny
then Chance
T-storms
Tonight
Low: 44 °F
Showers
Likely then
Partly Cloudy
Sunday
High: 63 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 45 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 65 °F
Partly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 46 °F
Showers
Tuesday
High: 61 °F
Showers
Likely
Tuesday Night
Low: 44 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 64 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. South wind 5 to 9 mph becoming west southwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 44. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.

Sunday

A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 63. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. West wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 20%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Monday Night

Showers and possibly a thunderstorm. Low around 46. West wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 80%.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Tuesday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

Wednesday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.

Wednesday Night

A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Thursday

Mostly sunny, with a high near 67.

Thursday Night

Partly cloudy, with a low around 49.

Friday

A slight chance of showers and thunderstorms. Sunny, with a high near 70.