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

Hazardous Weather Conditions

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

38°F

3°C

Humidity 58%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 06 Mar 11:00 PM MST
Extended Forecast for

Greenough MT

High Wind Watch March 8, 12:00pm until March 9, 12:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Rain and snow likely, mainly after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain and snow likely before 8am, then a chance of rain. Snow level 4500 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain, mainly after 11am. Increasing clouds, with a high near 51. West southwest wind 7 to 17 mph, with gusts as high as 41 mph.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a chance of rain and snow. Snow level 6200 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 29. West southwest wind 10 to 16 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: Snow likely, mainly after 11am. Partly sunny, with a high near 39. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow after 11pm. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Rain and snow likely, mainly after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Rain and snow likely before 8am, then a chance of rain. Snow level 4500 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 47. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday
A 50 percent chance of rain, mainly after 11am. Increasing clouds, with a high near 51. West southwest wind 7 to 17 mph, with gusts as high as 41 mph.
Sunday Night
Rain likely before 11pm, then a chance of rain and snow. Snow level 6200 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 29. West southwest wind 10 to 16 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after 11am. Partly sunny, with a high near 39. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 11am. Partly sunny, with a high near 34.
Tuesday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 18.
Wednesday
Snow likely. Mostly cloudy, with a high near 43.
Wednesday Night
Rain and snow likely. Snow level 4000 feet. Mostly cloudy, with a low around 31.
Thursday
Rain and snow likely. Snow level 3900 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 46.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Friday
Rain and snow likely. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
Last Update:
1:00 pm MST Mar 6, 2026
Forecast Valid:
11pm MST Mar 6, 2026-6pm MDT Mar 13, 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