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	67%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	15 Aug 10:15 AM MDT

More Information:

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

Extended Forecast for

17 Miles SE Big Sky MT

Today
High: 61 °F
Mostly Sunny
then Showers
Likely
Tonight
Low: 45 °F
Showers
Likely then
Isolated
Showers
Sunday
High: 64 °F
Sunny then
Scattered
T-storms
Sunday Night
Low: 46 °F
Scattered
Showers then
Mostly Cloudy
Monday
High: 65 °F
Partly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 48 °F
Showers
Tuesday
High: 62 °F
Showers
Likely
Tuesday Night
Low: 46 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 64 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

Scattered showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. Partly sunny, with a high near 61. West southwest wind 5 to 11 mph. Chance of precipitation is 60%.

Tonight

Showers and thunderstorms likely before midnight, then isolated showers between midnight and 3am. Mostly cloudy, with a low around 45. South southwest wind 5 to 9 mph. Chance of precipitation is 60%.

Sunday

Scattered showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 64. South southwest wind 7 to 11 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 46. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. West southwest wind 5 to 9 mph, with gusts as high as 21 mph.

Monday Night

Showers and possibly a thunderstorm. Low around 48. South southwest wind around 6 mph. 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 62. West wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Tuesday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.

Wednesday

A 20 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 47.

Thursday

Mostly sunny, with a high near 68.

Thursday Night

Partly cloudy, with a low around 50.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.