Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

62°F

17°C

Humidity 26%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 10 Nov 10:18 AM MST
Extended Forecast for

Big Sandy MT

  • Today

    Today: Cloudy, with a high near 64. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 64 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 37. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Gradual
    Clearing

  • Veterans Day

    Veterans Day: Sunny, with a high near 58. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Light south southeast wind.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Light southeast wind.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. South southeast wind 5 to 7 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 11pm, mixing with snow after 2am.  Mostly cloudy, with a low around 36. South southeast wind around 9 mph becoming west southwest after midnight.

    Low: 36 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 11am.  Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

Today
Cloudy, with a high near 64. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 37. West southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Veterans Day
Sunny, with a high near 58. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 54. Light south southeast wind.
Wednesday Night
Mostly cloudy, with a low around 34. Light southeast wind.
Thursday
Partly sunny, with a high near 64. South southeast wind 5 to 7 mph.
Thursday Night
A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 36. South southeast wind around 9 mph becoming west southwest after midnight.
Friday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy MT
 48.18°N 110.11°W (Elev. 2759 ft)
9:40 am MST Nov 10, 2025
11am MST Nov 10, 2025-6pm MST Nov 16, 2025
 
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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