Prolonged dangerous winter storm conditions in the high country of western Montana and north-central Idaho later this week with localized damaging winds

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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 55%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 11 Mar 11:15 AM MDT
Extended Forecast for

6 Miles SSE Greenough MT

Winter Storm Warning March 12, 06:00pm until March 14, 12:00pm
High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
High Wind Warning
  • Today

    Today: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 39. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Tonight

    Tonight: Snow.  Low around 32. Light southwest wind becoming west southwest 11 to 16 mph in the evening. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  High near 40. West wind 10 to 18 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 40 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times.  Low around 30. West wind 5 to 7 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 30 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 37. West wind around 5 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 37 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow.  Low around 31. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 31 °F

    Snow

  • Saturday

    Saturday: Snow.  High near 37. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 37 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow, mainly after noon.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 39. West southwest wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 32. Light southwest wind becoming west southwest 11 to 16 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. The snow could be heavy at times. High near 40. West wind 10 to 18 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 30. West wind 5 to 7 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Friday
Snow. The snow could be heavy at times. High near 37. West wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow. Low around 31. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. High near 37. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 18.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 29.
Monday
Rain and snow likely. Snow level rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Greenough MT
 46.85°N 113.37°W (Elev. 5400 ft)
10:11 am MDT Mar 11, 2026
11am MDT Mar 11, 2026-6pm MDT Mar 17, 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