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

41°F

5°C

Humidity 98%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 04 Oct 07:30 AM MDT
Extended Forecast for

8 Miles SE Greenough MT

Winter Weather Advisory October 5, 12:00am until October 5, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 50 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 51. Light north northwest wind.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain before 2am, then rain and snow. Some thunder is also possible. Snow level 7500 feet lowering to 5800 feet after midnight . Low around 33. Light northwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers
    Likely then
    Rain/Snow

  • Sunday

    Sunday: Snow, mainly before noon. High near 44. East wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow then
    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Widespread frost after 8pm. Otherwise, mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Frost

  • Monday

    Monday: Widespread frost before 10am. Otherwise, sunny, with a high near 51. Calm wind.

    High: 51 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 51. Light north northwest wind.
Tonight
Rain before 2am, then rain and snow. Some thunder is also possible. Snow level 7500 feet lowering to 5800 feet after midnight . Low around 33. Light northwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow, mainly before noon. High near 44. East wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Widespread frost after 8pm. Otherwise, mostly clear, with a low around 29. Calm wind.
Monday
Widespread frost before 10am. Otherwise, sunny, with a high near 51. Calm wind.
Monday Night
Clear, with a low around 35.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Clear, with a low around 38.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Greenough MT
 46.83°N 113.33°W (Elev. 5688 ft)
Last Update:
3:30 am MDT Oct 4, 2025
Forecast Valid:
7am MDT Oct 4, 2025-6pm MDT Oct 10, 2025
 
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