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

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

50°F

10°C

Humidity	86%
Wind Speed	SE 0 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	16 Aug 02:30 AM MDT

More Information:

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

Extended Forecast for

14 Miles ENE Big Sky MT

Overnight
Low: 43 °F
Partly Cloudy
Sunday
High: 60 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 45 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 61 °F
Partly Sunny
then Chance
T-storms
Monday Night
Low: 47 °F
Showers
Likely
Tuesday
High: 60 °F
Showers
Likely
Tuesday Night
Low: 45 °F
Chance
Showers then
Partly Cloudy
Wednesday
High: 61 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 43. South southwest wind around 7 mph.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 60. West wind 6 to 9 mph, with gusts as high as 18 mph.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. West southwest wind 5 to 7 mph. Chance of precipitation is 40%.

Monday

A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 61. West wind 5 to 11 mph, with gusts as high as 23 mph.

Monday Night

A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 47. South southwest wind around 8 mph. Chance of precipitation is 60%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

Tuesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 45. West northwest wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 50%.

Wednesday

Mostly sunny, with a high near 61. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

Wednesday Night

Partly cloudy, with a low around 48.

Thursday

Sunny, with a high near 65.

Thursday Night

Partly cloudy, with a low around 51.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.

Friday Night

A chance of showers. Mostly cloudy, with a low around 53.