National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

BOORMAN (BOOM8)

Lat: 48.14389°NLon: 114.71806°WElev: 3963.0ft.

NA

43°F

6°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 15 Aug 01:15 AM MDT
Extended Forecast for

19 Miles NW Big Arm MT

  • Overnight

    Overnight: Mostly clear, with a low around 47. Northeast wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then gradual clearing, with a low around 52. Light and variable wind.

    Low: 52 °F

    Gradual
    Clearing

  • Sunday

    Sunday: A slight chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 73. Light and variable wind. Chance of precipitation is 20%.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Light southwest wind.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 72. Light and variable wind.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 52. Light and variable wind.
Sunday
A slight chance of rain between 2pm and 3pm. Mostly cloudy, with a high near 73. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 53. Light southwest wind.
Monday
Partly sunny, with a high near 74.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 54.
Tuesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Big Arm MT
 47.98°N 114.61°W (Elev. 5066 ft)
Last Update:
2:01 am MDT Aug 15, 2026
Forecast Valid:
2am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation