Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

24°F

-4°C

Humidity 84%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 01 Mar 04:15 AM MST
Extended Forecast for

Greenough MT

  • Today

    Today: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain, mainly after 11am.  Patchy fog before 10am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely before 2am, then a chance of snow.  Snow level 5400 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 2pm, then a chance of rain and snow.  Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 50. Calm wind.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 50. Calm wind.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 23. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 52. Calm wind.
Tuesday Night
A 20 percent chance of rain after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 30.
Wednesday
Rain, mainly after 11am. Patchy fog before 10am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 2am, then a chance of snow. Snow level 5400 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 30.
Thursday
A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 42.
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 rain and snow. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Saturday
A chance of rain and snow. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
1:11 am MST Mar 1, 2026
4am MST Mar 1, 2026-6pm MST Mar 7, 2026
 
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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