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

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

63°F

17°C

Humidity 73%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 15 Aug 09:43 PM MDT
Extended Forecast for

5 Miles NNW Big Arm MT

  • Tonight

    Tonight: A 20 percent chance of rain before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 76. Light and variable wind.  Chance of precipitation is 20%.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Light north northwest wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 76. Chance of precipitation is 20%.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Calm wind.
Sunday
A slight chance of rain between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 76. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 55. Calm wind.
Monday
Mostly cloudy, with a high near 77. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 56. Light north northwest wind.
Tuesday
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A slight chance of rain and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Big Arm MT
 47.85°N 114.36°W (Elev. 3645 ft)
2:01 pm MDT Aug 15, 2026
10pm MDT Aug 15, 2026-6pm MDT Aug 22, 2026
 
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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