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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

7°F

-14°C

Humidity 82%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Last update 19 Feb 05:30 AM MST
Extended Forecast for

Greenough MT

  • Today

    Today: Sunny, with a high near 28. Wind chill values as low as -15. North wind 5 to 7 mph becoming calm in the morning.

    High: 28 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Snow likely, mainly after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 31. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 7. Light and variable wind.

    Low: 7 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of rain after 11am. Snow level rising to 5500 feet in the afternoon. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 28. Wind chill values as low as -15. North wind 5 to 7 mph becoming calm in the morning.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 3. Calm wind.
Friday
Snow likely, mainly after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 31. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 7. Light and variable wind.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 37. Calm wind.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 17.
Monday
A slight chance of rain after 11am. Snow level rising to 5500 feet in the afternoon. Partly sunny, with a high near 47.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 28.
Tuesday
Rain likely. Snow level 4200 feet. Mostly cloudy, with a high near 42.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22.
Wednesday
A chance of snow. Partly sunny, with a high near 42.
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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:
1:01 am MST Feb 19, 2026
Forecast Valid:
5am MST Feb 19, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation