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

Hazardous Weather Conditions

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

69°F

21°C

Humidity 21%
Wind Speed ESE 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 22 Apr 01:18 AM MDT
Extended Forecast for

4 Miles ESE Big Sandy MT

High Wind Watch April 23, 12:00am until April 23, 06:00pm
Winter Weather Advisory April 23, 12:00am until April 23, 06:00pm
Click here for hazard details and duration
High Wind Watch
Winter Weather Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 3pm. Mostly sunny, with a high near 76. Southeast wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 31. Blustery, with a west northwest wind 16 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Blustery.
    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all snow after 9am. Patchy blowing snow between 9am and noon. Mostly cloudy, with a high near 41. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely and
    Patchy
    Blowing Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 27. Northwest wind 11 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 37. Northwest wind 14 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind 9 to 15 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 39. Northwest wind around 10 mph.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of rain after 3pm. Mostly sunny, with a high near 76. Southeast wind 8 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Rain before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 31. Blustery, with a west northwest wind 16 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow likely, becoming all snow after 9am. Patchy blowing snow between 9am and noon. Mostly cloudy, with a high near 41. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 27. Northwest wind 11 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 37. Northwest wind 14 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind 9 to 15 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Saturday
A chance of snow. Mostly cloudy, with a high near 39. Northwest wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
A slight chance of snow. Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Big Sandy MT
 48.16°N 110.04°W (Elev. 2825 ft)
Last Update:
12:31 am MDT Apr 22, 2026
Forecast Valid:
2am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation