Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

60°F

16°C

Humidity 75%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 30 Jul 08:32 AM MDT
Extended Forecast for

3 Miles WSW Greenough MT

Fire Weather Watch August 1, 02:00pm until August 2, 12:00am
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Patchy smoke. Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 90 °F

    Patchy Smoke

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Patchy smoke. Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 51 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke. Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the morning.

    High: 90 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Patchy smoke. Mostly clear, with a low around 52. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke before 2pm. Sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Patchy smoke. Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Patchy smoke. Partly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy smoke. Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the morning.
Friday Night
Patchy smoke. Mostly clear, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Patchy smoke before 2pm. Sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 76.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Greenough MT
 46.9°N 113.47°W (Elev. 4603 ft)
1:56 am MDT Jul 30, 2026
8am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database