Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

unknown precip

37°F

3°C

Humidity 87%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 01 Apr 12:45 AM MDT
Extended Forecast for

5 Miles SSE Greenough MT

Winter Storm Watch April 2, 06:00am until April 3, 06:00am
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain after 4pm.  Partly sunny, with a high near 51. South southwest wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain and snow.  Snow level 6800 feet lowering to 5900 feet after midnight . Low around 31. South southeast wind around 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow

  • Thursday

    Thursday: Snow.  High near 36. West wind 8 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 36 °F

    Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 29. West wind 9 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow

  • Friday

    Friday: A 30 percent chance of snow before noon.  Mostly cloudy, with a high near 42. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
A 50 percent chance of rain after 4pm. Partly sunny, with a high near 51. South southwest wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain and snow. Snow level 6800 feet lowering to 5900 feet after midnight . Low around 31. South southeast wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Snow. High near 36. West wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow. Low around 29. West wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 42. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
12:22 am MDT Apr 1, 2026
1am MDT Apr 1, 2026-6pm MDT Apr 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