Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

50°F

10°C

Humidity 81%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 19 Aug 03:32 AM MDT
Extended Forecast for

6 Miles SE Greenough MT

  • Overnight

    Overnight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 83. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 52. Light and variable wind.
Thursday
Sunny, with a high near 89. Calm wind.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Mostly sunny, with a high near 93.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 57.
Saturday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Greenough MT
 46.87°N 113.34°W (Elev. 4600 ft)
1:56 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 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