Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

41°F

5°C

Humidity 85%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 16 Mar 06:00 PM MDT
Extended Forecast for

Greenough MT

  • Tonight

    Tonight: A 30 percent chance of rain before 7pm.  Mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of rain before 2pm, then a slight chance of rain after 3pm.  Partly sunny, with a high near 53. West southwest wind 5 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 38. West southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Light west southwest wind.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain after noon.  Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.
Tuesday
A slight chance of rain before 2pm, then a slight chance of rain after 3pm. Partly sunny, with a high near 53. West southwest wind 5 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 38. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 36. Light west southwest wind.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
A slight chance of rain after noon. Partly sunny, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
A slight chance of rain. Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 28.
Monday
A slight chance of rain and snow. Snow level 4500 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
2:00 pm MDT Mar 16, 2026
6pm MDT Mar 16, 2026-6pm MDT Mar 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database