Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

ROCKY BOY (ROCM8)

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

NA

50°F

10°C

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

15 Miles SE Rocky Boy MT

  • Tonight

    Tonight: A 20 percent chance of showers.  Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 9am and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53. Northwest wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. West southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers. Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph.
Monday
A slight chance of showers between 9am and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 74. Light and variable wind becoming west 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 53. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 55. West southwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 75. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 57. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SE Rocky Boy MT
 48.09°N 109.59°W (Elev. 4600 ft)
12:31 pm MDT Aug 16, 2026
10pm MDT Aug 16, 2026-6pm MDT Aug 23, 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