Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

80°F

27°C

Humidity 29%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index79°F (26°C)
Last update 17 Aug 07:15 PM MDT
Extended Forecast for

10 Miles SE Greenough MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. West southwest wind 3 to 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming west around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. Light and variable wind.
Tuesday
Mostly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 49. West southwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 73. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 81.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Saturday
A chance of rain after noon. Mostly sunny, with a high near 75.
Saturday Night
A chance of rain. Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Greenough MT
 46.81°N 113.3°W (Elev. 6047 ft)
2:01 pm MDT Aug 17, 2026
7pm MDT Aug 17, 2026-6pm MDT Aug 24, 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