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

Hazardous Weather Conditions

Current conditions at

ROCKY BOY (ROCM8)

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

NA

72°F

22°C

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

Lloyd MT

Severe T-storm Watch August 4, 08:33pm until August 4, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch August 4, 08:33pm until August 4, 11:00pm

    NOW until 11:00pm Mon

    Severe T-storm Watch

  • Tonight

    Low: 57 °F

    Severe
    Thunderstorms
    then Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 71. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 71 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Widespread haze between 9pm and midnight. Partly cloudy, with a low around 55. West southwest wind 7 to 16 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Haze then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. West southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. West southwest wind 6 to 8 mph.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 65. West wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 65 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 57. South southeast wind 12 to 17 mph becoming west southwest 6 to 11 mph after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 71. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Widespread haze between 9pm and midnight. Partly cloudy, with a low around 55. West southwest wind 7 to 16 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 79. West southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. West southwest wind 6 to 8 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. West wind around 10 mph, with gusts as high as 18 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind 9 to 11 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 65. West wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lloyd MT
 48.29°N 109.37°W (Elev. 3940 ft)
Last Update:
7:57 pm MDT Aug 4, 2025
Forecast Valid:
8pm MDT Aug 4, 2025-6pm MDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation