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

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

59°F

15°C

Humidity	89%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	56°F (13°C)
Visibility	NA
Last update	15 Aug 08:18 AM MDT

More Information:

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

Extended Forecast for

Big Sandy MT

Today
High: 75 °F
Mostly Sunny
Tonight
Low: 51 °F
Partly Cloudy
then Slight
Chance
T-storms and
Patchy Fog
Sunday
High: 82 °F
Slight Chance
T-storms and
Patchy Fog
Sunday Night
Low: 51 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 83 °F
Partly Sunny
Monday Night
Low: 51 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 77 °F
Chance
Showers then
Slight Chance
T-storms
Tuesday Night
Low: 49 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 83 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 75. Calm wind.

Tonight

A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 51. Calm wind becoming south southeast around 5 mph.

Sunday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 20%.

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 51. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

Partly sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

Monday Night

A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Mostly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.

Tuesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. North wind around 5 mph becoming light and variable in the evening.

Wednesday

Sunny, with a high near 83.

Wednesday Night

Mostly clear, with a low around 52.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 53.

Friday

Sunny, with a high near 87.