Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

27°F

-3°C

Humidity 93%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 17 Apr 02:00 AM MDT
Extended Forecast for

Greenough MT

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Slight Chance
    Snow

  • Friday

    Friday: A chance of snow before 4pm, then a chance of rain and snow.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 45. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 19. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 19 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am.  Otherwise, sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 23. Calm wind.
Friday
A chance of snow before 4pm, then a chance of rain and snow. Patchy fog before 8am. Otherwise, partly sunny, with a high near 45. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 19. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 26. Light and variable wind.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Wednesday
A chance of rain. Partly sunny, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
2:01 am MDT Apr 17, 2026
2am MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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