Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

54°F

12°C

Humidity 56%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 21 Jun 01:01 AM MDT
Extended Forecast for

8 Miles SE Greenough MT

  • Overnight

    Overnight: Mostly clear, with a low around 49. Light west wind.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 68 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Light and variable wind becoming east around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Light west wind.
Sunday
Sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 46. West northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Monday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 44. Light and variable wind becoming east around 5 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 70.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 48.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Greenough MT
 46.83°N 113.33°W (Elev. 5689 ft)
12:21 am MDT Jun 21, 2026
1am MDT Jun 21, 2026-6pm MDT Jun 27, 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