Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

53°F

12°C

Humidity 96%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 06 Sep 12:30 AM MDT
Extended Forecast for

10 Miles SSE Greenough MT

  • Overnight

    Overnight: Rain and thunderstorms before 4am, then rain likely.  Low around 45. East wind 3 to 5 mph.  Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain likely before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 64. Southeast wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am.  Low around 43. Light north wind.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Labor Day

    Labor Day: Showers and possibly a thunderstorm, mainly before 3pm, then rain after 3pm.  High near 51. West wind 5 to 7 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers

  • Monday Night

    Monday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 39. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon.  Mostly sunny, with a high near 57.

    High: 57 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain and thunderstorms before 4am, then rain likely. Low around 45. East wind 3 to 5 mph. Chance of precipitation is 80%.
Sunday
Rain likely before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 64. Southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 43. Light north wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Labor Day
Showers and possibly a thunderstorm, mainly before 3pm, then rain after 3pm. High near 51. West wind 5 to 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39. West wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 45.
Friday
A chance of rain. Mostly sunny, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Greenough MT
 46.79°N 113.32°W (Elev. 6152 ft)
12:22 am MDT Sep 6, 2026
12am MDT Sep 6, 2026-6pm MDT Sep 12, 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