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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

ROCKY BOY (RCBM8)

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

NA

37°F

3°C

Humidity 58%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 29 Dec 04:18 PM MST
Extended Forecast for

4 Miles NW Rocky Boy MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. South southwest wind around 8 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. South southwest wind 6 to 8 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. South southwest wind 7 to 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. Southwest wind around 6 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. South southwest wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 39. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Light and variable wind becoming south southwest around 6 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Southwest wind 6 to 9 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. South southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 39. South southwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 26. South southwest wind 7 to 10 mph.
Wednesday
Sunny, with a high near 41. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 25. South southwest wind 3 to 5 mph.
New Year's Day
Mostly sunny, with a high near 39. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 27. Light and variable wind becoming south southwest around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 44. Southwest wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Rocky Boy MT
 48.3°N 109.88°W (Elev. 3202 ft)
Last Update:
4:07 pm MST Dec 29, 2025
Forecast Valid:
4pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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