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

45°F

7°C

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

5 Miles SW Lloyd MT

  • Today

    Today: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 68. West wind 5 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 50%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 69. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 53. South wind 5 to 8 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 68. West wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 69. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 53. South wind 5 to 8 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 72. West wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 73. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lloyd MT
 48.25°N 109.43°W (Elev. 5354 ft)
4:21 am MDT Aug 17, 2026
4am MDT Aug 17, 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