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

50°F

10°C

Humidity 73%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 21 Jun 02:45 AM MDT
Extended Forecast for

Greenough MT

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain between 1pm and 2pm.  Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 41 °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 73. Calm wind becoming north northwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 73 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind around 5 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Sunday
A slight chance of rain between 1pm and 2pm. Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 41. West northwest wind 5 to 7 mph becoming calm in the evening.
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 73. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 40. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 74.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenough MT
 46.92°N 113.45°W (Elev. 3783 ft)
2:01 am MDT Jun 21, 2026
3am MDT Jun 21, 2026-6pm MDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database