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Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

33°F

1°C

Humidity 78%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 02 Mar 10:00 AM MST
Extended Forecast for

Greenough MT

  • Today

    Today: Mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Rain. Patchy fog before 11am. High near 47. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Patchy fog between 8pm and 5am. Snow level 5500 feet lowering to 4400 feet. Low around 31. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow and
    Patchy Fog

  • Thursday

    Thursday: Snow likely, possibly mixed with rain. Patchy fog before 8am. Snow level 3900 feet. Otherwise, mostly cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 2pm, then a chance of rain. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 53. Calm wind.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 22. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Wednesday
Rain. Patchy fog before 11am. High near 47. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Patchy fog between 8pm and 5am. Snow level 5500 feet lowering to 4400 feet. Low around 31. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Snow likely, possibly mixed with rain. Patchy fog before 8am. Snow level 3900 feet. Otherwise, mostly cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow before 2pm, then a chance of rain. Partly sunny, with a high near 43.
Friday Night
A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a slight chance of rain after 11pm. Snow level 4100 feet. Partly cloudy, with a low around 29.
Saturday
A chance of rain. Snow level 4200 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Snow level 5400 feet lowering to 4700 feet in the afternoon . Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
Last Update:
1:11 am MST Mar 2, 2026
Forecast Valid:
10am MST Mar 2, 2026-6pm MDT Mar 8, 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