National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Read More >

Current conditions at

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

59°F

15°C

Humidity 76%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 15 Aug 09:00 AM MDT
Extended Forecast for

Power MT

  • Today

    Today: Sunny, with a high near 87. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 85. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. West wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 54. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 85. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. West wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Power MT
 47.71°N 111.69°W (Elev. 3694 ft)
Last Update:
9:12 am MDT Aug 15, 2025
Forecast Valid:
9am MDT Aug 15, 2025-6pm MDT Aug 21, 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