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 (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

NA

52°F

11°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

16 Miles SSE Rocky Boy MT

  • Overnight

    Overnight: A 40 percent chance of showers before 2am.  Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Calm wind becoming east around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    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 54. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm.  Mostly cloudy, with a low around 54. West northwest wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 72. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 49. Calm wind.
Saturday
Mostly sunny, with a high near 70. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 53. Calm wind becoming east around 6 mph.
Sunday
Mostly sunny, with a high near 77. Light and variable wind becoming west southwest around 6 mph in the afternoon.
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 54. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 77. Calm wind becoming west 5 to 9 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 54. West northwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 72. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSE Rocky Boy MT
 48.04°N 109.64°W (Elev. 4091 ft)
12:31 am MDT Aug 15, 2026
1am MDT Aug 15, 2026-6pm MDT Aug 21, 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