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.

unknown precip

57°F

14°C

Humidity 99%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 05 Sep 11:30 AM MDT
Extended Forecast for

3 Miles S Drummond MT

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 73. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain and thunderstorms likely before 3am, then a chance of rain.  Mostly cloudy, with a low around 40. Calm wind.  Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely then
    Chance Rain

  • Sunday

    Sunday: A chance of rain before 4pm, then a chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 74. Calm wind.  Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm, then rain after 9pm.  Low around 43. Light and variable wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Labor Day

    Labor Day: Showers and possibly a thunderstorm.  High near 58. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Monday Night

    Monday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 73. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms likely before 3am, then a chance of rain. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 70%.
Sunday
A chance of rain before 4pm, then a chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 74. Calm wind. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm, then rain after 9pm. Low around 43. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Showers and possibly a thunderstorm. High near 58. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 37.
Friday
A slight chance of rain. Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Drummond MT
 46.63°N 113.14°W (Elev. 4039 ft)
2:01 am MDT Sep 5, 2026
11am MDT Sep 5, 2026-6pm MDT Sep 11, 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