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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

NA

73°F

23°C

Humidity 44%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 17 Aug 12:16 PM MDT
Extended Forecast for

7 Miles S Greenough MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. West wind 3 to 5 mph.

    High: 73 °F

    Chance
    T-storms

  • Tonight

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

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. West wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 51. Light and variable wind.
Monday
Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Greenough MT
 46.82°N 113.45°W (Elev. 4972 ft)
Last Update:
3:30 am MDT Aug 17, 2025
Forecast Valid:
12pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation